Java jobs in United Kingdom

White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and supporting multiple teams toward a shared technical vision? At Capital One, you'll be part of a community of technical leaders who drive engineering excellence, foster innovation, and deliver impactful solutions that meet real customer needs. What You'll Do • Own and drive the technical strategy for a significant business outcome or technology domain, spanning multiple teams and influencing the overall technical direction, • Lead and coordinate the efforts of multiple teams, ensuring their collective work aligns with broader business objectives and technology strategy, • Proactively identify emerging patterns, define and evangelise best practices, and establish reusable frameworks that enhance engineering productivity, • Build and maintain strong relationships with key stakeholders, including senior leadership, product owners, and architects, • Represent Capital One in external technical forums, contributing to vendor/industry discussions, • Drive service quality standards and practices for your domain, guiding complex incident resolution, • Develop and advocate for strategies to proactively manage technical debt across multiple teams, • Actively mentor and develop engineers, fostering a culture of continuous learning What we’re looking for • Deep expertise in Java, • Deep expertise in system design and distributed architectures, • Track record of leading technical initiatives across multiple teams, • Strong experience with cloud platforms (AWS, Azure, GCP), • Proven experience setting a multi-team technical vision and strategy, • Strong track record of technical leadership and influence without authority, • Experience driving engineering standards and best practices across organisations, • Experience of steering Communities of Practice or technical forums, • Strong business acumen and ability to translate technical concepts for various audiences Where and how you'll work This is a permanent position based in our London office. We have a hybrid working model which gives you flexibility to work from our office and from home. We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays. What’s in it for you • Bring us all this - and you’ll be well rewarded with a role contributing to the roadmap of an organisation committed to transformation, • We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers), • Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance – with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave, • Open-plan workspaces and accessible facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café What you should know about how we recruit We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages. We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few: • REACH – Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies, • OutFront – to provide LGBTQ+ support for all associates, • Mind Your Mind – signposting support and promoting positive mental wellbeing for all, • Women in Tech – promoting an inclusive environment in tech, • EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry, • Enabled - focused on supporting associates with disabilities and neurodiversity Capital One is committed to diversity in the workplace. If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment. For technical support or questions about Capital One's recruiting process, please send an email to Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC). Who We Are At Capital One, we're building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding. Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

White Collar Factory (95009), United Kingdom, London, London Senior Software Development Engineer - Services About this role We are seeking a Senior Software Engineer who can walk in the shoes of our users, communicate & collaborate with teams in Business, Technology and Operations, bringing a passion for using software and technology to create impactful solutions. To be successful in this role, you will have an understanding of the benefits of business processes automation to enable user efficiency, the importance of well-governed solution development, and how to balance these needs to produce easy-to-use software. You are able to seamlessly switch from deep diving users' needs and technical challenges, to discussing solutions and prioritisation. You're not afraid to question stakeholder expectations, using your fantastic influencing skills to drive consensus on requirements, bringing it all together into an achievable, impactful solution that creates business value. What you’ll do • Design, develop, test and maintain a range of internal facing software products and solutions that automate Business processes, • Work to achieve the goals and vision shared by Product Management and your team Leadership, • Be an advocate for governance, documentation and process, ensuring that everything we build meets our high standards whilst providing a frictionless user experience, • Make recommendations to stakeholders and drive a consensus of agreement for your solutions. You'll also be great at keeping them in the loop, • Provide technical leadership and innovate within your team. What we’re looking for • A passion for software engineering and a track record of delivering solutions in an efficient and maintainable manner, • Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST, • Demonstrable knowledge of creating architectural designs that meet the business need, • Proven experience in technical leadership, with a passion for mentoring and nurturing engineers, • You bring a user focussed mindset. An ability to capture process requirements in order to rapidly refine a solution, • You’re able to effectively communicate and work together across engineering to maximise inner-sourcing opportunities and reduce waste, • Solving real world problems and being comfortable working in a complex regulated environment, • Gain the opportunity to become an expert in writing and optimising code with the power of AI code assistants (GitHub Copilot). Where and how you'll work This is a permanent position based in our London office. We have a hybrid working model which gives you flexibility to work from our offices and from home. We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays. What’s in it for you • Bring us all this and you’ll be rewarded with a role contributing to the product roadmap for an organisation committed to transformation, • We’re continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve, • We love continuous learning and that’s why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future, • We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers), • Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance – with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave, • Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café Capital One is committed to diversity in the workplace. If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment. For technical support or questions about Capital One's recruiting process, please send an email to Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC). Who We Are At Capital One, we're building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding. Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do • Build clean, reusable APIs for video playback on mobile devices, • Develop modular Android components for use across multiple apps, • Design and implement end-to-end playback features including DRM, ads, and analytics, • Analyze, optimize, and improve the performance and reliability of the codebase, • Collaborate with teammates and mentor junior engineers, • Comcast and Sky manage thousands of linear channels and a vast library of on-demand content. You'll help develop new features and improve playback performance across a wide range of devices, • Work on technology that reaches millions of users globally, • Collaborate with world-class engineers across Comcast and Sky, • Build features that directly impact customer experience, • Be part of a team that values innovation, diversity, and technical excellence What you'll bring, • Deep extensive experience of Android application development, • Established and highly skilled in all aspects of software engineering, • Strong programming skills in Java and Kotlin, • Solid understanding of Android architecture patterns and best practices, • Experience with video streaming protocols (HLS, DASH), • Familiarity with ExoPlayer (bonus), • Agile development experience with CI/CD pipelines, • Strong analytical and debugging skills, • Ability to prioritize and organize effectively, • Willingness to mentor and collaborate in a team-oriented environment Team Overview As a Senior Android Engineer on the Android Viper Player team, you will help build and maintain client-side libraries that power video playback for millions of users across Comcast, Sky, and our global partners. These native SDKs are embedded in apps like Xfinity TV, Contour2, FreeRange TV, delivering Live, OnDemand, and Recorded content with high performance and reliability. You'll contribute to the development of a robust video player that integrates with streaming services, DRM, advertising, emergency alerts, and real-time analytics. Your work will directly impact how users around the world experience video on Android and FireTV devices. The rewards There's one thing people can't stop talking about when it comes to #LifeAtSky : the perks. Here's a taster: • Sky Q, for the TV you love all in one place, • The magic of Sky Glass at an exclusive rate, • A generous pension package, • Private healthcare, • Discounted mobile and broadband, • A wide range of Sky VIP rewards and experiences Inclusion & how you'll work We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate. Please flag any adjustments you need to your recruiter as early as you can. We've embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You'll find out more about what hybrid working looks like for your role later on in the recruitment process. Your office space Osterley Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There are also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed, and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next. But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet. If you believe in better, we'll back you all the way. Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. The SRE team, is responsible for the implementation and administration of the infrastructure for the Video On Demand (VOD) content. The infrastructure consists of many technology stacks, i.e., AWS, GCP, Cassandra, Kafka, etc. which provides a great opportunity to learn and develop code to implement and administrate the technologies What you'll do • Be the Lead on multiple delivery projects while work on day-to-day BAU and support tasks., • Proactively create and deliver infrastructure as code to improve the availability, scalability, latency, and efficiency of our internal or customer-facing services, • Lead Troubleshooting and problem solving, • Create new designs, architectures and standards for new projects or solutions to improve current infrastructure, and contribute to the stability and security of the environment, • Help with capacity planning and demand forecasting, software performance analysis and system tuning, defining processes and best practices for reliable and timely delivery, • Communicate work status regularly with a clear articulation of design choices along the way.What you'll bring, • Proven experience in solving technical issues, managing technical projects, and mentoring engineers., • Background working in a multi-technical Site Reliability Engineering (SRE) department, with the ability to break down complex problems and deliver practical solutions., • Strong interpersonal and communication skills for effective collaboration with stakeholders and peers., • Demonstrated ambition and adaptability to thrive in a fast-paced, constantly evolving digital environment., • A solid track record in both technical roles and mentoring responsibilities., • Technical competency in Linux system administration (Ubuntu), monitoring tools (Prometheus, Nagios, Icinga), and cloud platforms (AWS, GCP) including deployment and automation., • Hands-on experience with CDN tools (e.g., Akamai, Fastly), networking (load balancing, routing, switching), databases (SQL/NoSQL, ideally Cassandra), scripting/system programming (Python, Bash, Go, Java), and configuration management (Ansible, Terraform)., • Familiarity with CI/CD tools (Jenkins, Concourse, GitLab CI, GitHub Actions) and virtualization technologies (VMWare).Please note that there is an on-call working rota for this rolePlease note that there is an on-call working rota for this role Team overview Global Streaming Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. No matter the device, the time or the place, we make sure that our diverse audiences can easily find and enjoy whatever they want to watch, choosing from the world's best entertainment, news and sport. The rewards There's one thing people can't stop talking about when it comes to #LifeAtSky: the perks. Here's a taster: • Sky Q, for the TV you love all in one place, • The magic of Sky Glass at an exclusive rate, • A generous pension package, • Private healthcare, • Discounted mobile and broadband Your office space Osterley Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There are also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed, and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next. But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet. If you believe in better, we'll back you all the way. Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of contact for both internal and external stakeholders, and ensuring seamless collaboration across various teams. This role requires strong communication, interpersonal, and organisational skills alongside technical expertise. What you'll do • Strong stakeholder management skills, including ability to communicate complex concepts to non-technical and technical audiences., • Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing, • Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation., • Mediate potential conflicts and foster solutions-oriented discussions with stakeholders., • Establish and maintain efficient and scalable performance testing automation framework., • Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution., • Conduct discovery process to specify scope, extent and type of Performance testing required., • Able to define and troubleshoot Test environments to identify issues across System integration or component NFT.What you'll bring, • Experience in performance testing., • Experience working with multiple internal or external teams for issue resolving/requirements analysis/results analysis., • Develop and maintain Automated Performance test scrips using tools/framework like Gatling/LoadRunner/JMeter., • Experience in testing large-scale micro services-based web applications preferably media based., • Automating tasks using scripting languages like Scala/Python., • Coding in languages like Java/Scala/Groovy., • Working with databases like MongoDB/MySQL., • Good understanding of Build tools like Gradle, Docker etc., • Working knowledge of using Monitoring tools like Prometheus, Grafana, Elasticsearch Team overview Test Management Our Test Management team works closely with our design, delivery and business teams to create an unforgettable experience for our customers. From streaming products like NOW, to providing smart entertainment products like Sky Glass and Sky Go, and creating unforgettable Connected Living experiences, we're the problem solvers who find smarter and simpler ways to connect customers to more of what they love. The rewards There's one thing people can't stop talking about when it comes to #LifeAtSky: the perks. Here's a taster: • Sky Q, for the TV you love all in one place, • The magic of Sky Glass at an exclusive rate, • A generous pension package, • Private healthcare, • Discounted mobile and broadband, • A wide range of Sky VIP rewards and experiences Inclusion & how you'll work We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate . Please flag any adjustments you need to your recruiter as early as you can. We've embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You'll find out more about what hybrid working looks like for your role later on in the recruitment process. Your office space : Osterley: Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There's also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next. But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet. If you believe in better, we'll back you all the way. Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

Senior Software Developer with Liferay or Angular You have a degree in Engineering, Computer Science or other IT related education please (Bachelor/Master).Must be very enthusiastic about Java-based web/enterprise application development and deployment and have experience with Java.The Client woul

Data Engineer Location: London (4 days/week in office) We are working with a world leading E-commerce company who have a platform used by millions worldwide — and data is at the heart of it. Their systems already process thousands of messages per second, powering real-time learning, analytics, and reporting at global scale. We’re looking for a Data Engineer to join the platform team. You’ll help design, build, and run pipelines and services on a modern data stack (Kafka, AWS, Iceberg, Kubernetes), collaborating with engineers, data scientists, and product teams across multiple regions. What you’ll do • Build & maintain streaming and batch pipelines, • Develop our Lakehouse (AWS S3 + Iceberg), • Ensure data is trustworthy, accessible, and reusable, • Implement schemas, contracts, and observability, • Good working experience in data engineering, • Hands-on with Kafka/Pulsar/Kinesis, • Strong SQL & relational DBs (Postgres/MySQL), • Coding experience in Java/Scala, • Cloud (AWS preferred) + Infrastructure-as-Code familiarity

Entra) ? Comfortable building and developing Infrastructure templates with Infrastructure as Code using either: Terraform, Cloudformation, Deployment Manager or ARM ? Linux and Windows administration ? Software development experience ? ideally in Java, Kotlin, Python, Apps Script, JavaScript or C

Senior Platform Engineer London (Fully Remote or Hybrid) 6 Month Contract A fantastic contract opportunity has opened for an experienced Senior Platform Engineer to join a highly respected technology organisation. Contractors speak positively about the culture here – fast-paced, collaborative, and with real autonomy to influence engineering outcomes. As a Senior Platform Engineer, you’ll design and build the internal tools, services, and platforms that power modern software delivery. From shaping CI/CD pipelines and deployment processes to developing runtime environments and cloud services, your work will directly enable faster, more reliable, and more secure software delivery at scale. This role goes beyond maintenance – as a Senior Platform Engineer, you’ll be creating, iterating, and solving genuine engineering challenges. You’ll collaborate closely with product and engineering teams across the stack to improve developer experience, strengthen observability, and troubleshoot complex distributed systems. A focus on clean, maintainable code, cloud infrastructure, and strong security practices is essential. Senior Platform Engineer – Key Skills & Experience: • Solid background in software engineering, with significant platform or backend experience, • Proficiency in Go, Python, or Java for building internal tools and services, • Strong expertise in AWS, including CloudFront and related web application services, • Hands-on experience with CI/CD pipelines and modern deployment practices, • Familiarity with infrastructure-as-code tools such as Terraform, • Strong understanding of security best practices in application and infrastructure design, • Exposure to observability tools (e.g. Prometheus, Grafana, structured logging), • Confident debugging and resolving issues in complex distributed systems, • Product-oriented mindset with a collaborative approach to improving developer experience, • Bonus: experience with Kafka, gRPC, or contributing to open-source projects If you’re a Senior Platform Engineer who thrives on building tools and systems that empower developers and accelerate delivery, apply today. The client is looking to move quickly. We are an equal opportunities employer and welcome applications from all suitably qualified candidates, regardless of race, sex, disability, religion/belief, sexual orientation, or age.

If you need support in completing the application or if you require a different format of this document, please get in touch with at with the subject line: “Application Support Request”. Role: Front End Engineer Location: London(3 days a week at office) Employment Type: Permanent Mode: Hybrid Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. Your responsibilities: • Work closely with design, product management, and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices., • Turning UI/UX designs into prototypes, creating excellent interactions from designs, writing reusable content modules and maintainability of the code., • Prioritizing user experience, • Implement responsible web design principles, • Bringing a concept to life with required skill set, • Production and maintenance of websites and web application user interfaces, • Looking at SEO best practices, • Testing the site for usability and fixing any bugs, • Ability to relay technical information with non-technical teams, providing project updates, reporting any issues or challenges, as well as suggestions and ideas Your Profile Essential skills/knowledge/experience: • Strong experience in React JS, • Strong experience in HTML/CSS/Javascript., • Strong experience in building UI applications with Plain vanilla Javascript., • Very strong understanding of java script testing framework JEST Desirable skills/knowledge/experience: • Implementation in any accessibility related tags/components in React JS that will be added advantage., • Ability to coordinate with SMEs, stakeholders, manage timelines, escalation & provide on time status, • Strong problem-solving skills and attention to detail. Rewards & Benefits TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop and access to extensive training resources and discounts within the larger Tata network. We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon and partner with our local communities in Ireland. Diversity, Inclusion and Wellbeing Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts 1998-2011 (as amended) and the Equal Status Acts 2000-2012 (as amended). We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role. As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email us at if you would like to opt in. If you are an applicant who needs any adjustments to the application process or interview, please contact us at with the subject line: “Adjustment Request” or email to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Excellent opportunity to join a growing and award winning SaaS organisation headquartered in Belfast. My client have won various awards for innovation and support. Due to demand they have a new opportunity for a talented Android developer to join the team situated all over Ireland North and South. On offer • Salary £60k - £70k - D.O.E, • Remote working options - Work from any where in Ireland - North and South, • Benefits package, • Career progression and skill up opportunities, • Plus more What do I need? • Ability to write clean reusable code for mobile development in languages like Java or JavaScript, Kotlin etc, • Experience working on applications for deployment on Google Play / Android Store Fronts, • Have an interest or some knowledge of Kotlin, • Experience testing and releasing new applications, • Great communication skills with ability to work closely with a development team to maintain and develop new features for core Android applications O.K. I'm in what's next? Apply with your latest CV below

Automation Tester (ETRM Platforms) Permanent Location: UK - Remote Salary: £55,000 - £90,000 (+ benefits) Skills: ETRM platform experience, (Openlink Endur, Findur etc.), Automation testing Python, Java etc. We are seeking Automation Testers, (up to Lead Tester), for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. There are options for both fully remote and hybrid / London working. What you'll bring Essential skills include strong experience in test automation with an ETRM platform with as many of the following as possible: • Programming & Scripting: Python, Java, JavaScript, C++, Scriban, • Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js, • Databases: SQL Server, MySQL, PostgreSQL, MongoDB, • Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell, • CI/CD pipelines and debugging expertise, • BDD frameworks such as Cucumber Experience in the following sectors is highly desirable (in order of preference): • Energy/Financial Trading (k, • Regulated software industries, • High volume, high complexity data systems

🌍 Forward Deployed Software Engineer | Defence Tech & AI | London (Hybrid | 4x days onsite) About Want to work on software that powers the autonomous age? This defence tech team are building next-generation AI and systems software to help organisations collaborate with robots, sensors, and also autonomous systems. You’ll be joining at a pivotal stage of growth, working with a team of exceptional engineers who thrive on solving high-impact problems. From your first day, you’ll have genuine ownership and autonomy - influencing the design, functionality, and direction of cutting-edge products that have real-world applications. 💡 Why join: • Be part of a mission-driven team shaping the future of autonomous systems, • Collaborate with engineers, scientists, and AI experts on high-stakes projects, • Work hands-on in the field, seeing your code in action with real users, • High autonomy, clear purpose 🚀 What they value: • Strong engineering fundamentals and curiosity across tech stacks, • A bias for action and problem-solving in complex, real-world settings, • Collaboration and direct engagement with end users, • A willingness to travel and work closely with customers to make an impact They’re open to all OOP backgrounds (Python, C++, or Java), with modern frameworks like React or Angular in play. 📍 London | Hybrid (4x days onsite + travel as needed) Interested? Apply now!

Do you love coding with Kotlin? Have you worked in a fast-paced start-up environment? 🚀 Senior Backend Engineer – AI transforming the future 🚀 📍 Location: Hybrid in London approx. 1-2 days a week (flexible work hours) 💰 Compensation: Up to £105k + bonus + equity We are very excited to have just partnered with a rapidly rising AI infrastructure company that’s transforming how development and QA teams create, manage, and test high-quality data at speed and scale. They’ve built the first API-driven data generation platform that enables organisations to generate better-than-production test data in minutes, without the never-ending manual work or compliance risks. Having just received their Series A funding, they’re hiring Senior Backend Engineers with Kotlin (or a combination of Java & Kotlin experience) to build new product features, improve performance and scalability, and help define technical direction within a growing engineering team. A Senior Backend Engineer will have: • Start-up or scale-up experience, • BSc in Computer Science or STEM subject from Russell Group university, • Have worked in product-focused tech companies, • Kotlin, • (Can have also worked with with Java), • Spring Boot You will enjoy many great benefits too: • Flexible work hours, • Bonus, • Share options, • Personal development budget, • Private healthcare, dental and eye care, • Drinks and snacks provided in office, • Collaborate social team, working & learning from very smart engineers Currently with a team across Europe, they are looking to expand their London team and build a close-knit team, combining collaborative face-to-face working with the flexibility of working from home. They provide a highly flexible, trusting, and supportive environment where engineers are empowered to take ownership. As strong advocates for equality, they are committed to fostering an inclusive culture that promotes fairness, diverse perspectives, and equal opportunities at every level. If you have worked with Kotlin in a fast-paced, product-focused startup environment, apply now for this fantastic Senior Backend Engineer opportunity!

Job Description Role: Automation Test Lead Location: London Who are we looking for? A senior level challenging software architect/lead. The Individual should be passionate about technology, experienced in developing and managing cutting edge technology applications. Technical Skills: • In Depth experience in the field of Automation testing, Java, Database QA Testing Good understanding of OOPS concepts and strong programming skills in Selenium and Java or C#, • Hands-on experience of working with test automation tools and frameworks for web, API, desktop and/or mobile automation. Experience in other tools will be added advantage., • Proficient in writing SQL queries (Candidate should know simple SQL queries like, Select, Outer, inner Joins, Select Top, and Basic SQL), • Experience in Functional Automation Testing Tools, Selenium, Playwright etc., • Experience in Azure and Dotnet Technologies, • Experience in Understanding and implementing Automation Frameworks., • Experience in creation and maintenance of Keyword, Data Driven, Hybrid Automation Framework & Business Process Testing., • Familiarity with process of test automation tool selection & test approach, • Experience in designing and development of automation framework and creation of scripts using best industry practices such as Page object model, • Integrate test suites into the test management system and custom test harnesses, • Familiar with implementation of design patterns, modularization, and user libraries for framework creation Elaborated Skills: • Maintain & Understand test automation frameworks and other solutions, minimum 9+ years of hands on for automation testing with Experience in Agile methodology., • Expertise in creating test automation frameworks, implementing, and maintaining them on a project Experience in the modern agile practices such as BDD/ Cucumber, • Extensive experience in Selenium automation technology suite like Selenium WebDriver., • Design and implement test automation using frameworks such as Data Driven framework and Hybrid framework for a number of projects., • Responsible for resolving Selenium technical issues, and aiding others in creating readable, maintainable, reliable Selenium test suites., • Automated on both Test-Driven Development (TDD) and Behavior Driven Development (BDD) fronts Behavioral Skills: • Excellent communication, interpersonal and presentation skills with accent on constructive teamwork with the ability to adapt any environment, • Positive work attitude and self-motivated to work independently as well as in a team., • Resolve technical issues of projects and explore alternate designs, • Lead and drive team and fosters teamwork by inter-group coordination within the modules of the project., • Effectively collaborates and communicates with the stakeholders and ensure client satisfaction, • Train and coach members of project groups to ensure effective knowledge management activity., • Create Estimation, Status Dashboards. Roadmaps and present to clients

Senior Software Engineer (Java) – Portfolio Optimization | Fintech | London / Hybrid About My Client My client is a high-growth fintech company transforming the way capital markets operate. Their mission is to make global financial systems safer, more efficient, and more open, using advanced technology and deep domain expertise. They partner with leading banks and institutional investors to develop intelligent solutions that optimise portfolios, reduce risk, and unlock access to more diversified capital. About the Role My client is seeking a Senior Software Engineer to join their Portfolio Optimization team — a core group responsible for building the technology that drives their balance-sheet and exposure-management platform. This is a hands-on development role in a highly technical environment, where you’ll be contributing to systems that power critical decision-making for the world’s leading financial institutions. You’ll collaborate closely with quantitative analysts, product managers, and other engineers to design and implement robust, scalable, and high-performance solutions that support large-scale data processing, analytics, and optimization algorithms. Key Responsibilities • Take active part in a team of developers working on my client's Portfolio Optimisation products, • Design software according to agreed standards, architecture, and requirements, • Plan and build high quality, scalable, and secure solutions, • Work closely with team lead, team members and product managers in defining and implementing roadmap features, • Contribute and drive technological and architectural decisions, • Interface with various R&D groups, as well as support groups Who You Are • B.Sc. degree in Computer Science, SW Engineering or equivalent (M.Sc. is an advantage), • At least 8 years of experience in Java server-side development, including cloud services (preferably AWS), • Experience with C# and .NET (ability to understand code and general knowledge of the framework), • Experience in building complex, large-scale software solutions from scratch to live production, • Experience with Java, Spring Boot, Spring Data, JPA, Swagger, Maven, Kafka, PostgreSQL, Jenkins, GIT, RESTful Services, Docker, • Strong analytical skills, • Self-starter, fast learner, and great interpersonal skills, • Excellent English communication skills – spoken and written, • Financial affinity is an advantage, • A “Can-Do” mentality and mindset, • Can learn and work in a fast-paced, dynamic environment

🌍 Forward Deployed Software Engineer | Defence Tech & AI | London (Hybrid | 4 days onsite) Build software that powers the autonomous age. This defence tech startup is developing advanced AI and systems software to connect people, sensors, and autonomous systems - transforming how critical operations are run. Their mission is to build world-class technology that strengthens global security and defends democratic values. You’ll join a small, exceptional team of engineers solving complex, high-impact challenges. From day one, you’ll have full ownership - designing, coding, and deploying systems used in the real world, not just in theory. They have a flat structure, no bureaucracy - you will shape the product direction Compensation: Up to £150k (depending on exp.), equity, great perks (daily lunch, private health cover, 7% pension) 🚀 What they’re looking for • Strong programming skills (Python, C++, Golang, Java, or Rust), • A practical mindset - you enjoy solving tough, real-world problems, • Comfortable travelling and working hands-on with end users Their stack: Rust & Typescript (Happy to upskill) 📍 London | Hybrid (4x days onsite + travel as needed) UK Right to Work required | Must be eligible for Security Clearance (SC) Ready to build tech that actually matters? Add some time to chat further:

DevOps Engineer Location: London, EC3R (Hybrid, 2 days per week) Salary: £100,000 + benefits Are you passionate about automation, system reliability, and continuous improvement? We’re looking for a DevOps Engineer to help design, implement, and maintain scalable and secure systems that power critical trading platform business operations 🔧 What You’ll Do As a key member of our DevOps team, you’ll: • Build, maintain, and optimise CI/CD pipelines and automated deployment processes., • Manage Linux-based systems and cloud infrastructure (OpenStack, AWS, or GCP)., • Implement Infrastructure as Code (IaC) using tools such as Ansible, Terraform, Saltstack, or Puppet., • Support and manage databases – primarily PostgreSQL, with exposure to MySQL, Elastic, and MongoDB., • Work closely with software engineers to deploy microservices architectures., • Monitor and improve system performance, security, and reliability., • Support business systems such as O365, MS Teams, and OneDrive., • Contribute to continuous improvement initiatives across DevOps and engineering practices. 🧠 What We’re Looking For • Strong experience with Linux systems and cloud platforms., • Hands-on experience with CI/CD tools and automation frameworks., • Solid knowledge of Python, Golang, and/or Java (desirable)., • Understanding of microservices architectures and modern deployment practices., • Experience managing relational and NoSQL databases., • Excellent analytical and problem-solving skills with a proactive approach to troubleshooting. 🌟 Why You’ll Love This Role • Work with modern DevOps tools and industry best practices., • Hold lots of autonomy and innovation to drive new ideas to production., • Collaborative culture where your ideas drive innovation., • Exposure to diverse technologies across a complex, evolving infrastructure., • Hybrid working model based in London (EC3R). ✅ Keen to apply? Apply today with your latest CV or please get in touch if you have any further questions about the role.

🌳🌳🌳x 3 Software Engineers – Fullstack Java – Fully Remote with offices based in Bristol/Bath/Gloucestershire and Manchester 🌳🌳🌳 I am urgently seeking x 3 Software Engineers for one of the most exciting START UPs in the UK! They are now rapidly expanding their tech/development function and looking for the most talented Software Engineers to join them. 🌳£55-75k (depending on experience) 🌳Fully remote 🌳Benefits package 🌳Key requirements:🌳 · Over 4 years of experience working with Java, React, Javascript · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or Cucumber I have interview slots already pre-booked so suitable candidates will be interviewed next week with a quick turnaround in offers within 3 days. Candidates must be SC Clearable and have to have lived and worked in the UK for the past 5 years! I have interview slots immediately available - please contact me 🌳🌳🌳 Areti Group – Climate positive tech recruitment 🌳🌳🌳 We’re on a mission to put people and the planet before profit, leaving the world in a better place than we found it

We are seeking highly skilled and motivated Generative AI Engineers to join our growing AI team. You will be responsible for designing, developing, and deploying cutting-edge Generative AI solutions using LLMs, Transformers, and Diffusion models. This role involves working on enterprise-grade applications such as intelligent chatbots, document summarization, code assistants, and more. Responsibilities: Design, prototype, and deploy Generative AI models (LLMs, Transformers, Diffusion models) for real-world enterprise use cases. Build and fine-tune LLM-based applications such as: Chatbots Document Q&A systems Report generators Code assistants Summarization tools Apply prompt engineering, Retrieval-Augmented Generation (RAG), and context-aware pipelines to enhance model accuracy and relevance. Integrate AI models with enterprise systems, APIs, and data stores using Python, Java, or Node.js. Collaborate with architects to define scalable, secure, and cost-efficient AI service architectures. Implement AI/ML pipelines for training, validation, and deployment using tools like MLflow, Vertex AI, or Azure ML. Monitor model performance, detect drift, and drive continuous improvement. Optimize inference performance and cost through model compression, quantization, and API optimization. Ensure compliance with AI ethics, security, and governance standards. Prepare and curate training datasets (structured/unstructured text, images, code). Apply data preprocessing, tokenization, and embedding generation techniques. Work with vector databases (e.g., Pinecone, Weaviate, FAISS, Chroma) for semantic search and retrieval. Partner with business stakeholders to identify and shape impactful AI use cases. Contribute to the development of a strategic AI adoption roadmap and reusable AI Workbench/platform components. Support POCs, pilots, and full-scale implementations using agile methodologies. Document and present solution designs, technical findings, and outcomes to leadership and clients. Mandatory Skills Description: Strong programming skills in Python (preferred), with experience in Java or Node.js. Hands-on experience with LLMs (e.g., GPT, LLaMA, Claude, Mistral), Transformers, and Diffusion models. Experience with Hugging Face Transformers, LangChain, LLM orchestration frameworks, and prompt tuning. Familiarity with RAG pipelines, embedding models, and vector databases. Experience with cloud platforms (AWS, GCP, Azure) and AI/ML services. Knowledge of MLOps tools and practices (e.g., MLflow, Kubeflow, Vertex AI, Azure ML). Strong understanding of data engineering, data pipelines, and ETL workflows. Excellent problem-solving, communication, and stakeholder engagement skills. Bachelor's or Master's degree in Computer Science, AI/ML, Data Science, or related field. Nice-to-Have Skills Description: n/a Languages: English: C1 Advanced

Senior Java Developer – FX Algorithmic Trading | £825/day Inside IR35 | London | 3 Days Onsite Our client, a global leader in the financial services industry, is seeking a highly skilled Senior Java Developer to join their FX Automated Client Execution team. This is a 6-month contract based in London, requiring 3 days per week onsite. You’ll work directly on the trading floor alongside quants and traders, developing and maintaining algorithmic trading strategies for FX and listed derivatives, deployed across platforms including Cortex iX. Key Requirements: • Strong server-side Java development experience, • Solid understanding of Java architecture and design patterns, • Excellent debugging and unit testing skills, • Experience in front-office environments, • Knowledge of multi-threading, performance tuning, and memory management, • Exposure to FX, listed derivatives, smart order routing, and FIX order flow Rate: Up to £825/day, inside IR35 Contract: Initial 6 months Location: London, 3 days/week onsite

We have a new Contract Senior Java Developer position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. The job: • IT Low Latency e-FX Java Developer, • 1 year contract with potential for extensions, • Inside IR35 Rate £920 per day to the Umbrella Company, • London Liverpool St location, • Hybrid working (x3 days on site x2 days working from home pw) This is an e-FX IT Low Latency Java Developer position working for the e-FX Desk where the team develops the pricing, hedging and low latency order and price distribution team systems. Regards to Low Latency development, we need specific experience achieving low latency in the microseconds, and have practical experience on not just software but an appreciation of hardware the software runs as well. We need someone who can show optimizing and tuning on Low Latency. What you will need: • Tenure as a Senior Java Developer, • Significant e-FX Trading projects experience, • Front office experience, • Being able to pick up ad learn new tech and bring new ideas., • Algo trading, • Worked with Connectivity, Market Data, Core Pricing and Hedging strategy., • Low Latency / Multithreading / FIX / Performance monitoring If you are interested and have experience, please apply now for a quick response. To be considered you will need to be a Senior Java Developer with good Algo e-FX experience. Thank you.

Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary – up to £90k + bonus We are working with our long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They began their journey as a market-leading FinTech disruptor and after many years at the forefront of their field, have recently been acquired by a prominent capital market. This is an excellent opportunity for someone looking for their 2nd or 3rd job in software development as they are looking for someone with 3-5 years prior experience, with the potential to rapidly progress into a senior position. Experience they are looking for in Mid Java Developers: • Core Java, • Developing software from scratch WITHOUT the use of frameworks e.g. Spring, • Multithreading, • TDD, CI/CD, Paired-programming environment, • Data structures, algorithms, threads, • Working in a modern FinTech environment e.g. startup is a plus, • An interest in the financial sector, FX and trading If you are looking to dip your toes into the cloud, this is a great opportunity as they are building software to be agnostic and run across both GCP and AWS. As a Mid Java Developer, you will enjoy endless fantastic benefits: • Flexible working from home policy, • Personal training budget, • Private health insurance, • Life assurance, • Dental & eyecare insurance, • Bonus, • Matched pension scheme, • 25 days holiday + national holidays (increases with service), • Long service awards, • Referral fee upwards of £2000 If you are looking for your next challenge to progress your career to the next level, apply now for immediate consideration in this unmissable Mid Java Developer position! Please note: Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK.

Head of Operations – Algorithmic Trading Location: London (quant-driven electronic market maker) Overview: A senior strategic leadership role at a leading quantitative trading firm that uses machine learning and data-driven intelligence to provide liquidity across global financial markets. The firm values strategic thinking, resilience, and innovation over speed alone — focusing on smarter, predictive trading systems. Purpose of the Role: To define and execute the operational strategy that underpins the firm’s growth, scalability, and resilience. This is a hands-on leadership position focused on guiding systems, processes, and people — not managing day-to-day tickets. Key Responsibilities: • Lead the strategic operational roadmap, aligning it with long-term business goals., • Oversee critical trading infrastructure, ensuring stability, integrity, and risk management., • Drive automation and Infrastructure as Code (IaC) maturity., • Champion the integration of Generative AI for intelligent monitoring and predictive operations., • Lead cross-functional collaboration during incidents and major system initiatives., • Design and manage a robust operational risk framework across the trading lifecycle. Ideal Profile: • 5+ years in trading operations, SRE, or systems leadership within quant / HFT / fintech firms., • Expert-level skills in Linux/Unix, distributed systems, and FIX protocol., • Hands-on with IaC tools (Terraform, Puppet, etc.) and modern automation., • Strong grasp of market microstructure, order flow, and risk management., • Exceptional communicator with strategic influence across technical and executive teams. Desirable: • Background in quantitative trading or software engineering., • Familiarity with AI/ML, predictive analytics, and trading platforms (IB, MetaQuotes, B2B or C-Trader). Tech Stack: • Linux-first environment on AWS., • Core languages: C++, Java, Python., • Large-scale data lakes and HTML5 front ends. Why Join: • Shape the firm’s operational strategy with real ownership and autonomy., • High-impact role with direct exposure to the executive team., • Clear progression to senior executive leadership., • Collaborative, meritocratic culture with a startup mindset.

Quantitative Developer – Contract | London We’re looking for a Quantitative Developer to join a global investment management firm at the forefront of a major data and AI transformation. This is a London-based contract role working with senior technologists, AI engineers, and business leaders to modernise core systems and drive automation, analytics, and decision intelligence across the business. Key responsibilities: • Build scalable data and analytics systems supporting multiple business functions., • Develop and maintain ETL/ELT pipelines for large-scale financial and operational datasets., • Collaborate with AI and data science teams to design, train, and deploy ML models., • Create automation and tooling that enhance efficiency and insight generation., • Promote best practices in data governance and software design. You’ll need: • Strong programming skills in Python (NumPy, Pandas, PyTorch, TensorFlow, or Scikit-learn)., • Experience building data pipelines and working with structured/unstructured data (SQL/NoSQL)., • Familiarity with the AI/ML model lifecycle from experimentation to deployment., • Excellent teamwork and communication skills. Experience with C++, Java, or C#, cloud data tools, or financial systems is a plus.

Trading Software Engineer - Systematic Market Maker Location: London (onsite 4 days) £375k++ total compensation Quant capital is urgently looking for a Software Developer to join a prestigious market maker. This role sits in a highly autonomous engineering team building performance-critical trading systems that power both OTC and exchange-based strategies across global markets. You’ll work on latency-optimised infrastructure designed for scale, precision and adaptability. This is a role that suits those who have been working on high performance systems at the very highest level. The Role This is a hands-on dev position focused on building pricing engines, market connectivity, execution logic, and real-time controls. You'll work directly with researchers and analysts, deploying models into production and designing architecture that balances performance and flexibility. Key Responsibilities • Build and maintain low-latency trading platforms across asset classes, • Design pricing and risk logic, market data processing, and order handling, • Optimise data flow and system throughput under real-time constraints, • Implement core components in Kotlin (some C++ and legacy Python/Java), • Engineer for reliability, testing, monitoring and rapid fault recovery What You'll Bring • Solid command of CS fundamentals, algorithms, architecture, systems, likely been a competitive programmer., • Advanced experience in Kotlin or Java (Other languages considered C#/F#/C++), • Deep familiarity with Linux environments and system-level APIs, • Experience with high-throughput, low-latency systems, • Ability to work independently and review code for correctness and clarity, • Finance experience not required, but curiosity helps Why Apply • High-impact team with wide scope and minimal red tape, • Build tech that goes live—trading billions in volume daily, • Fast feedback, full ownership, and close collaboration with research

We’re looking for a high-caliber engineer to join as a Founding Engineer. You should be deeply hands-on with code, technically opinionated, and capable of building production systems from scratch. This is a role for someone who enjoys execution but also has the potential (or ambition) to lead technology at a company-defining level. 🔍 What You'll Do • Build and own core infrastructure and backend systems, • Design and implement APIs, data models, and scalable services, • Collaborate closely with founders on product direction and technical architecture, • Ship code fast, validate assumptions, and iterate, • Lay the groundwork for the future engineering team (tooling, processes, and architecture) ✅ Core Technical Requirements • Proficient in one or more modern backend languages (e.g. Python, Go, TypeScript, Java, Rust), • Strong systems design skills — you can model real-world systems and reason about scale, latency, and trade-offs, • Comfortable building from zero — greenfield work doesn’t scare you; in fact, you prefer it, • Experienced with cloud infrastructure — AWS, GCP, or similar; IaC (Terraform, Pulumi, etc.) is a plus, • Competent with databases and data modeling — SQL and NoSQL, designing schema for scale, • Comfortable writing tests and deploying production systems — you care about code quality and reliability ⭐ Bonus Experience (Not Required, but Valuable) • Worked at a Pre-Seed or Seed-stage startup through to Series A, • Built or deployed software used by enterprise customers, • Experience with applied machine learning or MLOps (not just academic or notebook-based work), • Exposure to event-driven architectures, streaming systems (Kafka, etc.), or real-time data pipelines, • Frontend experience in React, TypeScript, or similar modern frameworks 📈 What We Offer • Early-stage equity and the opportunity to shape foundational decisions, • High ownership, zero bureaucracy — build what matters, fast, • Founders who value engineers, ship code, and work closely with you, • A role that grows with you — if you have CTO potential, you’ll have a path You should apply if: You’re a product-focused engineer — you solve problems through code, you like building things that work, and you’ve got the technical depth to back it up.

Software Engineering Manager - Java, AWS, MySQL, NoSql, REST APIs, Microservices, Artificial intelligence (Hybrid) Description for the Software Engineering Manager role:- You will be joining a fast-growing, small to medium sized Saas Company based in London. The Software Engineering Manager will be managing a very bright, talented team of engineers and working closely with the founder and Head of Product shaping the Technical direction of the products moving forward. This position will manage initially 10-15 engineers and will be working with the latest technologies including AI and ML. Core skills/Experience for the Software Engineering Manager role: • 8yrs+ in Development roles, • 3yrs+ Managing Software Engineering teams, • Full Stack development experience including strong Java, Microservices and AWS, • Happy to still be "hands on" as well as managing a team/Strategy., • Strong degree in Computer Science or a related field from a top tier university (Oxford, Cambridge, Imperial), • Experience or interest in AI / Machine Learning, • Likely to have experience in a Saas based company, ideally start up or early stage company going through growth. Salary for the Software Engineering Manager will depend on experience, but expect between £110,000 and £130,000 + Pension + competitve benefits Software Engineering Manager - Java, AWS, MySQL, NoSql, REST APIs, Microservices, Artificial intelligence (Hybrid) +++++Applicants must have the right to work in the UK, no sponsorship is offered for this role++++++++

Position Overview: We are seeking an experienced and passionate Software Developer to join our growing team. In this role, you will play a key part in designing, building, and maintaining Squarepoint internal frameworks, services and platforms that power our business. You will have the opportunity to work with cutting-edge technologies and make a direct impact on the efficiency and productivity of both investment and technology teams within SquarePoint. • Design, develop, and maintain high-quality, scalable, and performant software solutions., • Contribute to the development of company-wide productivity tools, frameworks, and platforms that streamline operations across the organization., • Collaborate with other developers and stakeholders to gather requirements, design solutions, and implement features., • Write clean, well-documented, and testable Python code., • Participate in code reviews and contribute to improving code quality and development processes., • Troubleshoot and resolve technical issues in a timely and efficient manner., • Stay up to date with the latest Python technologies and industry best practices. Required Qualifications: • 6+ years of professional software development experience., • Strong proficiency in high-performance Python, with a deep understanding of its ecosystems and best practices., • Prior experience with at least one JVM-based language such as Java, Kotlin, or Scala is a plus., • Solid understanding of distributed systems principles and experience working with distributed architectures., • Experience with containerization technologies (e.g., Docker, Kubernetes)., • Experience working in a Linux environment, using version control., • Experience with CI/CD pipelines and automation tools.

About the Role A leading global trading and investment firm is looking for Data Engineers to join its core data function. The team plays a key role in powering research, modelling, and trading strategies through high-quality, well-managed data systems. This is a hands-on engineering position within a small but growing team. You’ll work across the full data lifecycle - from design to delivery - helping to shape and scale the firm’s data platform over the next few years. The ideal candidate will bring strong technical ability, curiosity, and a drive to build robust, high-performance systems. Key Responsibilities • Partner with quantitative researchers, developers, and portfolio teams to turn business needs into practical, scalable data solutions., • Extend and optimise the data warehouse by integrating new data sources and improving system performance, scalability, and reliability., • Help define best practices for data quality, governance, and platform architecture., • Evaluate and implement modern tools and frameworks for managing, querying, and streaming large datasets., • Build and maintain automated processes for data validation, anomaly detection, and system monitoring., • Support the production environment and ensure smooth data operations., • Manage relationships with external data providers and ensure alignment with business needs. What You’ll Need • Strong programming skills in Python and solid experience working in Unix/Linux environments., • Advanced SQL skills and good knowledge of NoSQL systems (e.g. Postgres, MongoDB), including performance tuning., • Understanding of data modelling concepts, including both normalised and denormalised structures., • Experience with cloud technologies such as AWS or GCP., • Familiarity with version control (Git) and collaborative development workflows, ideally with CI/CD pipelines., • A degree in Computer Science, Information Systems, or a related discipline. Desirable Experience • Background or internship experience within financial services or technology., • Exposure to Java., • Experience managing on-premise or hybrid data infrastructure (e.g. Hadoop)., • Knowledge of workflow orchestration tools such as Apache Airflow., • Postgraduate degree in Computer Science, Data Science, or related field. Benefits • Comprehensive health, dental, and vision coverage, • Flexible approach to time off and sick leave, • Discretionary bonus

Job Title: DevOps Observability Engineer Duration: long-term contract Location: Hybrid (Sheffield or London) Visa: Only British/ILR/Dependent Visa (No Sponsorship Available, no PSW) We are looking for a hands-on DevOps Observability Engineer to design, implement, and lead enterprise observability solutions. You will drive DevOps adoption, build scalable telemetry systems, integrate with monitoring tools, and optimize performance across cloud and on-prem infrastructure. Key Responsibilities: • Design and implement observability solutions using OpenTelemetry across storage platforms., • Develop and maintain CI/CD pipelines, distributed tracing, metrics, and logging., • Integrate telemetry with tools like Prometheus, Grafana, Kafka, Splunk, Loki., • Analyze telemetry data, optimize performance, and troubleshoot issues., • Strong programming: Python, Java, Node.js, Golang, Shell, Ansible, Jenkins., • Experience with Kubernetes, CI/CD, cloud infrastructure, Unix/Linux, REST APIs., • Knowledge of Agile, SDLC, telemetry frameworks, and enterprise DevOps practices.

Senior Java Developer – London / Hybrid – Up to £90,000 + Benefits We’re partnered with an innovative fintech scale-up that’s redefining the credit and lending space. Backed by leading VC investors and operating successfully for the past decade, the business is now entering a new growth phase and looking for a Senior Java Developer to join their talented engineering team. This is a hybrid role based in central London, typically requiring 3 days per week in the office (with flexible hours). You’ll have the opportunity to work on a modern product roadmap, building next-generation platforms and payment systems that are shaping the future of digital lending. Tech Stack • Java 11+, • Spring Boot, • AWS, • Microservices architecture, • Docker / Kubernetes, • Kafka (or similar messaging tools) Key Responsibilities • Design and develop high-performance, low-latency software components., • Contribute across the full software development lifecycle., • Write and maintain clean, testable, scalable code., • Manage and enhance CI/CD and development process tooling., • Collaborate in agile ceremonies and foster a culture of teamwork., • Mentor junior engineers and promote engineering best practice., • Work closely with cross-functional teams (Product, QA, DevOps, Data)., • Champion continuous improvement and innovation. Projects You’ll Work On • Migration from monolithic to microservices architecture., • Upgrading core systems to newer Java versions., • Enhancing UI frameworks (e.g., Vaadin)., • Building a new lender platform and modern payment systems. Who You Are • A hands-on, pragmatic engineer who thrives in collaborative, fast-moving teams., • A self-starter who enjoys autonomy and contributing ideas that drive real change., • Experienced in modern Java development with a solid understanding of scalability and performance., • Comfortable working in a startup or scale-up culture with light process and strong ownership. If this sounds like you, please apply now!

A leading global energy trading organization is expanding its Front Office Engineering & Analytics function in London. This team develops the technology powering front-office analytics, risk systems, and data-driven trading strategies across Power & Gas, Oil, and Market Risk domains. You’ll be joining an ambitious and technically strong group responsible for building the firm’s next-generation analytics platform — a cloud-native ecosystem on AWS, used globally by trading, risk, and analytics teams. These are hands-on engineering roles, focused on designing and scaling high-performance systems, data pipelines, and analytical applications. Key Responsibilities • Build robust data pipelines and orchestration engines in AWS, • Integrate diverse datasets, including market, fundamental, and weather data, • Develop analytical and visualization tools (e.g., Dash/Plotly), • Partner with analysts to design and implement statistical models, • Contribute to architectural design of scalable analytics systems, • Manage deployment and operationalization of workloads in AWS (S3, ECS, Postgres), • Promote engineering best practices including Git-based version control and CI/CD Requirements • 3–7 years of experience in data or software engineering, • Strong Python programming skills (Java or C# a plus), • Hands-on experience with AWS (S3, ECS, Postgres), • Understanding of Kafka, orchestration, and distributed data systems, • Experience in energy trading, commodities, or financial analytics preferred, • Strong communication skills and collaborative mindset, • A builder’s mentality — curious, hands-on, and eager to innovate Why Join You’ll be part of a high-performing engineering culture where autonomy, technical excellence, and collaboration are core values. The team is scaling quickly, offering a unique opportunity to shape the technology driving a world-class trading business.

Senior JVM Engineers - Java, Kotlin, Scala We are partnered with a rapidly growing consultancy, who are looking for multiple JVM Engineers to work on a large scale project. Stack - Java/Kotlin, AWS, TypeScript, TDD. Salaries - £95k - £120k 1-2 days a week in London They work in small Agile teams, so they are looking for candidates with a strong understanding of TDD/BDD. Interview Process - 3 Stages Please reach out to find out more!

Paladign/Mainframe Developer Duration: initial 1 year contract Workload: Full time hours Setup: Contractor inside IR35 Location: Hybrid – 3 days/week onsite, 2 days remote We’re urgently seeking a seasoned Paladign/Mainframe Developer to support and enhance a core wealth management system used by our client in the financial services sector. Key Responsibilities: • Analyse business requirements and develop software solutions on IBM i (AS/400)., • Maintain and enhance the Paladign system, including its update module., • Conduct unit and integration testing, and manage software releases., • Collaborate with global teams across development, QA, and support., • Ensure documentation and code standards are upheld. Must-Have Skills: • 5+ years in Financial Services, ideally private banking., • 5+ years of hands-on Paladign experience., • Strong IBM i (iSeries/System i/AS400) development using RPG (fixed & free format) and CL., • Proficiency with XML, MQ Series, SFTP, and SQL., • Excellent communication and documentation skills. Nice-to-Have: • Java development on IBM i., • Experience with Control-M job scheduling., • Familiarity with Turnover change control tools.

Our client is a high-performing hedge fund, recognised for its technology-first culture and entrepreneurial mindset. As the firm continues to scale, it seeks an exceptional Engineering Manager — a technically credible, forward-thinking leader ready to take the next step toward a Chief Technology Officer remit. You will play a pivotal role in modernising the firm’s trading and data platforms, building and mentoring high-calibre engineering teams, and shaping the architectural foundations that power the fund’s investment strategies. This is a hands-on leadership role — you’ll be expected to code, design, and influence in equal measure — helping to define how technology evolves as the firm expands. Core Responsibilities • Lead and inspire a team of engineers delivering next-generation trading systems and data platforms designed for scalability, performance, and resilience., • Embed modern engineering principles — event-driven architecture, distributed systems, CI/CD automation, and cloud-native design — across the technology landscape., • Collaborate directly with portfolio managers and researchers to translate trading and analytical requirements into production-ready solutions., • Drive innovation by incorporating AI and machine-learning initiatives into research and operational frameworks., • Champion engineering culture — attract exceptional talent, mentor developers, and instil technical excellence and accountability., • Contribute strategically, working closely with the CTO and senior leadership to define the long-term technical vision and roadmap. You will likely have: • Experience leading and scaling engineering teams within a front-office trading or high-performance technology environment., • Strong hands-on background in modern C++, Java, or Python, with deep understanding of systems architecture and distributed design., • Proven ability to bridge business and engineering, collaborating effectively with PMs, data scientists, and operations teams., • A passion for building engineering culture — developing people, improving processes, and raising standards., • The ambition to step into a CTO-level leadership role in the coming years. This is a rare opportunity to operate at the intersection of technology and investment in one of London’s most dynamic hedge funds. You’ll join an environment that values autonomy, impact, and excellence, where engineering drives performance — and your ideas directly influence the firm’s success.

Cash Equities Trading / Application Support Analyst Working with a leading Financial Client based in London to secure for them a permanent Cash Equity Trading / Application Support Analyst. The role sits within execution services which manages the banks trading platform, Algo Trading and middle office applications. DMA/DSA Trading, Derivatives trading platform. Algo trading platform (in-house) with components built around vendor systems such as Fidessa / Raptor / TMS. Location – London Salary - c£100,000 + Bonus + Bens Key skills: • Experience working as a Cash Equities Trading Support Analyst, • FIX, • SQL, • Windows, • Linux, • Fidessa or Raptor or TMS or similar Desirable • SQL, • Java, • Python Responsibilities: • Support as part of a global technical team which covers Front office, Middle office users of the investment banking division on cash equities and derivatives., • Level 1 and Level 2 support of applications, • Monitoring of production systems, • End user requests, • Escalation of incidents to development team, tech enhancements Please apply now for immediate consideration and further details. Keywords: Cash Equity trading platform support, Cash Equities Support Analyst, Cash Equities, call management and logging, problem management, FIX, SQL, Windows, Linux, Fidessa, Raptor, TMS, Change management, Release management, Bank, Banking. Scot Lewis Associates Ltd is acting as an employment business.

DevOps Lead – PaaS Platform | Hybrid (Central London) 83zero is partnered with an exciting, fast-growing startup that’s making serious moves in the B2B2C social media space. They’re building a next-gen Platform-as-a-Service that’s already gaining traction across global media ecosystems — and they’re now looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you’ll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You’ll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What’s On Offer • Competitive salary + performance bonus., • Meaningful equity — build it, own it, grow with it., • Hybrid/remote-first working culture., • A seat at the decision table in a fast-scaling SaaS business., • Real autonomy, rapid progression, and zero bureaucracy., • A culture of experimentation, curiosity, and bold thinking. The Role As DevOps Lead, you’ll: • Architect and optimise a high-scale, cloud-native PaaS., • Champion CI/CD, automation, observability, and reliability., • Design and maintain secure, performant public APIs., • Build real-time, distributed systems on AWS (Lambda, DynamoDB, Kinesis, ECS/EKS)., • Mentor a cross-functional team and elevate engineering standards., • Prototype and ship features that drive commercial impact — including mobile apps and PWAs. What You’ll Bring Essential: • 7+ years in software engineering, with experience in a DevOps or Technical Lead role., • Needs to have built a front-end app and a console or dashboard backend., • Deep expertise in serverless/event-driven architecture on AWS., • Mastery of CI/CD, Agile delivery, and containerisation (Docker, Kubernetes)., • Strong leadership of distributed engineering teams. Desirable: • Experience in social media, advertising, eCommerce, or news., • Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks., • AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis). If you’re ready to tackle hard problems, enjoy architectural freedom, and want to shape something foundational — let’s talk.

My client, a reputable Investment Bank, is looking to hire a technical Business Analyst to play a key role on a major transformation programme across their Fixed Income technology space. This is a Greenfield programme of work where the Bank is looking to modernise their trading platform, moving to a new microservices-based architecture and delivering an advanced suite of real-time pricing applications across Credit and Rates. For this role, they want to hire a Technology Business Analyst who understands object-orientated programming and who can work closely with the business and technology to establish requirements and get involved with the architecture and design of the platform. You will not be coding in this role, but an understanding of how systems are knitted together from a development perspective is key as you will be working closely with the engineering teams who will be building the applications. To be right for this role, you will need to have a track record in the following: • Experience as a technical BA on another real-time trading platform build within Fixed Income., • A grasp of object-orientated programming (Java is preferred but experience with others are fine too)., • Experience working on platforms with microservice architectures and frameworks, • A thorough understanding of how to sit with front office users to gather requirements and translate these into technical specifications for software development teams This is an exciting and unique opportunity to join a greenfield programme building real-time trading applications. The role operates a hybrid working policy and the salary is competitive with the potential for a bonus and generous holiday allowance.

Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with a variety of languages, frameworks and tools. Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Java Software Engineer: • 5yrs in a commercial Development role, • Solid experience of Java, • Good knowledge of Cloud Technologies (AWS) and Microservices, • Strong database knowledge (SQL and NoSQL), • Degree in Computer Science, Engineering, or a related field, or equivalent hands-on experience in engineering., • Experience or interest in AI or Machine Learning Salary for the Java Software Engineer will depend on experience, but expect between £60,000 and £80,000 + Pension + benefits Other benefits include:- Free breakfast and coffee, drinks and snacks all day/every day. Food ordered for a weekly team lunch. Regular team events (dinner, bowling, karting, poker nights, board-games etc.) The latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence +++++Applicants must have the right to work in the UK, no sponsorship is offered for this role++++++++

Attribution Search is partnering with a newly launched Hedge Fund for a Software Engineer as part of its further build. The fund is already a multi billion business with continued backing from a leading multi-manager platform. Now independently operated, the fund is scaling rapidly — both in capital and complexity — trading across new regions and a push into more exotic instruments. Leading the fund is a globally recognised CIO with a standout track record, attracting top-tier talent across investment and non-investment roles. This is an opportunity to join early, contribute meaningfully, grow with the fund, and play a significant part in the build of its trading technology. The Role: You’ll join a lean, high-impact engineering team tasked with reimagining the trading and middle Office technology stack — building smart, scalable systems to empower Portfolio Managers, Traders, and Operations teams. Key Areas of Focus: • Next-Gen Execution Management Systems (EMS), • Trade lifecycle tools: booking, intraday PnL, ops workflows, • STP-by-exception reconciliation and integration with affirmation platforms Broader Tech Strategy Involves: • RESTful API architecture to expose middle office services across the firm, • Migration of core systems to the cloud, • Deep integration with global data platforms: market, trade, static, PnL, and risk, • Strategic onboarding of third-party and managed services Advantages of build, scale and early launch phase; • Direct line to end users: PMs, Ops, and Risk, • Greenfield systems with the freedom to shape architecture and tooling, • Closely partner with CTO and drive tech strategy, • A high-calibre team in a collaborative, flat and engaging environment Experience required • Stack: Open to strong engineers; experience in C#, Python, Java, or cloud-native development a plus, • Investment Banking, Asset Management or Hedge Fund experience, • Business knowledge on Trading and trade flows front to back, • Competitive comp package in line with top-tier hedge fund engineering roles

We’re working with a leading global investment bank expanding its Front Office FX eTrading team. This is a greenfield build of a next-generation trading platform that is performance-critical, front-office facing, and built for scale and speed. You’ll be joining a team of exceptional technologists delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and Cross-Asset projects further down the line. Key Responsibilities • Design and develop ultra-low latency Java systems for electronic FX trading., • Work closely with traders and quants to deliver performant pricing and hedging solutions., • Lead components of system re-architecture and optimisation projects., • Take ownership of end-to-end performance, from network to JVM tuning., • Core Java, Aeron, lock-free / concurrent programming, • High-performance messaging, distributed systems, and low-latency design, • Proven experience designing or building low-latency trading systems (FX or other asset classes)., • Deep understanding of Java performance tuning, GC optimisation, and threading models., • Ability to discuss design decisions and architecture in depth., • Greenfield build, real technical ownership and impact., • Highly technical front-office role with direct business interaction., • Competitive package up to £160k base + bonus + benefits.

Please find the new role. Role: Lead QA Automation Engineer Location: Farnborough/UK Hybrid mode of work Skills QA Automation Engineer – Java, Cucumber (BDD), Jenkins Role Summary: We’re seeking a skilled QA Automation Engineer with strong experience in Java-based test automation using Cucumber (BDD) frameworks and Jenkins for CI/CD integration. The ideal candidate should be capable of building, maintaining, and executing automated test suites to ensure high-quality software delivery. Key Responsibilities: • Design, develop, and maintain automated test scripts using Java and Cucumber (BDD)., • Create and manage feature files and step definitions aligned with business requirements., • Configure and manage Jenkins pipelines to schedule and execute automated test runs., • Collaborate closely with developers, product owners, and QA teams to define acceptance criteria and ensure test coverage., • Perform integration and regression testing as part of CI/CD processes., • Debug test failures, analyze logs, and report defects using tools like JIRA., • Contribute to improving framework performance, reusability, and reporting., • Strong experience in Java programming., • Proficiency in Cucumber (BDD) — writing Gherkin feature files, step definitions, and hooks., • Hands-on experience with Jenkins for automation execution and pipeline configuration., • Experience with Git or other version control tools., • Understanding of TestNG/JUnit and Maven/Gradle build tools., • Familiarity with API testing (e.g., RestAssured, Postman) is a plus., • Exposure to Docker, CI/CD best practices, or cloud-based testing environments., • Knowledge of reporting frameworks like ExtentReports or Allure., • Basic knowledge of performance or security testing.

Senior Java Engineer London / Hybrid (3 days per week in office) Up to £100,000 + excellent benefits James Adams is working with a fast-growing technology company that’s scaling its engineering function and looking for an experienced Senior Java Engineer to join their core platform team. This role is ideal for someone who wants to work on modern, cloud-native microservices within a high-performing engineering culture that values clean code, collaboration, and innovation. You’ll be working with Java 11+ (preferably Java 21), Spring, and Kafka, contributing to the design and delivery of resilient distributed systems used at scale. The Role • Design and build high-quality, scalable microservices in Java., • Apply functional programming principles using Java or Kotlin., • Work extensively with Java Streams, ensuring clean, performant code., • Integrate and manage Kafka for real-time data streaming., • Optimise SQL queries and database performance for reliability and speed., • Drive best practices across monitoring, observability, and automation., • Collaborate with cross-functional teams to deliver new platform capabilities. About You • Strong commercial experience with Java 11+, ideally Java 21., • Deep knowledge of Spring, Kafka, and SQL / DBMS., • Comfortable with functional programming concepts in Java or Kotlin., • Proven background building cloud-native, microservice-based systems., • Excellent communication skills and a collaborative mindset., • Passion for writing clean, efficient, and testable code. The Offer • Salary up to £100,000 (depending on experience)., • Hybrid working – 3 days per week in modern central offices., • Opportunity to shape technical direction within a fast-growing business., • Supportive, engineering-led culture with real autonomy and impact. If you’re a Senior Java Engineer who thrives on solving complex problems and enjoys working in a modern, data-driven environment, this is an outstanding opportunity to join a team where your work truly matters.

eTrading Business Analyst – Java, Trading, Real Time, Process Mapping, Development, Analysis, Front Office – Financial Services, Permanent – Up to £85,000 Base + Bonus My Client, a leading global investment bank is seeking an exceptional hands-on eTrading Business Analyst to join a front-office aligned team in London on a permanent basis. The role involves working closely with stakeholders to define products and requirements and collaborating with senior engineers to ensure solutions meet business objectives. You should be comfortable reading and reviewing code (especially Java or other OOP languages), participating in code reviews, and providing technical input — though not necessarily writing production code. Experience with real-time trading systems and UI design from a product perspective is highly valued. Ideal Profile: • Technical BA with proven development expertise, able to translate business needs into effective technical solutions, • Prior Experience working within a Front Office Environment is Desirable, • Strong ability to read and understand Java or other object-oriented code, identify issues, and suggest improvements to enhance performance, maintainability, and code quality., • Experience working in a Real Time eTrading Environment, • Effective stakeholder engagement and product definition skills, including Front Office Traders

Junior Core Java Developer – London - 70k💰 - Hybrid (London)🏡 Our client is a highly trusted player in asset management and FX trading, looking to recruit a proficient Junior Level Java Developer to join their apps team. This opportunity will allow you to join a company that is committed to economic growth in a sustainable way, striving to become the leading hub for sustainable and transition financing and trading.✨ Within this role, you would be building microservices, designing and building various components of the FX trading platform and its APIS as well as working closely with both the Product and Design team.⚙️ Role Responsibilities: • Generate and update project documentation across multiple platforms.🔋, • Spend time understanding existing systems, current tech stack, product offerings and the team’s workflows.🤖, • Support business operations by playing a key role in the trading team.🔒, • Work primarily within GCP, ensuring that the architecture is optimised for multi-cloud compatibility.⚙️ Key Requirements: • An experienced engineer with 2+ years of experience⭐, • Strong knowledge of Core Java.🌐, • Previous experience working in TDD and CI/CD environment and pair-programming.🕹️, • Have good knowledge of Data Structures, Algorithms and Threads.📊 What’s On Offer? • A competitive base salary of £70k. 💰, • A generous annual bonus.⭐, • Hybrid working pattern, with two days remote a week.🏡 If you’re a Core Java Developer looking to take your career to the next level, apply today to be considered for this excellent opportunity!

Head of AI Research | High-Growth Start-Up | London We’re seeking a Head of AI Research to spearhead the technical vision and growth of an ambitious, well-funded early-stage start-up redefining what’s possible with intelligent systems. You’ll lead a world-class team of researchers and engineers, setting the direction for AI innovation while staying close to the code and experiments that make it happen. This is a rare opportunity to join at a pivotal stage of the company’s journey - where your decisions will shape both the technology and the team from the ground up. What You’ll Bring • MSc or PhD in AI, Machine Learning, Computer Science, Robotics, or a related quantitative field., • 5+ years working at the intersection of research and engineering, translating state-of-the-art AI into production systems., • Proven leadership experience - mentoring researchers, building high-performance AI teams, and setting technical roadmaps., • Strong programming expertise in Python, C++, Rust, or Java., • Publication record at leading AI/ML conferences or journals (e.g. NeurIPS, ICLR, CVPR, ICCV, ICRA)., • Clear communication skills, capable of bridging the gap between research depth and business strategy., • A builder’s mindset - hands-on, experimental, and eager to solve complex problems with pragmatic AI solutions., • Preference for on-site collaboration in London, contributing to a fast-moving, high-energy environment. Why Join As Head of AI Research, you’ll define the core research agenda, establish best practices for experimentation and deployment, and ensure AI becomes a key driver of innovation across the organisation. You’ll work with founders, product leaders, and engineers to turn breakthrough ideas into real-world impact. Head of AI Research | High-Growth Start-Up | London

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up funded by a major fund. You will be based remotely and from our London office You will be joining a small but experienced team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We’re looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role includes hands-on development, mentoring other developers, driving code review processes as well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already been created. Key Skill Requirements The successful candidate will have: • 5+ years commercial or similar experience, • Architected, designed, and led development of a microservices solution using Spring Boot, • Experience of Docker and AWS (ideally EventBridge & SQS), • Experience of implementing RESTful web services, • Experience of unit testing using Junit, mocking frameworks and integration testing, • Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway, • Experience of deploying and using industry standard development tools including Swagger, Jenkins About You You will have a strong desire to work in a start-up / scale-up environment with a delivery focused approach to problem solving. You will be a born problem solver, keen to dig into the technology supporting our business and demonstrating high standards of professionalism and integrity throughout the working day. You will be equally comfortable mentoring colleagues through technical detail as well as rolling your sleeves up and leading from the front. Please inform us if you have a disability that will require any reasonable adjustments for the recruitment process or job role.