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Senior Java Developer - Full Stack, Java, JSP, RESTful APIs, JavaScript. Are you an experienced Full Stack Developer with expert level Java knowledge?. As a Full Stack Developer, you'll play a key role in designing, developing, and maintaining high-performance applications.

Aker Systems was founded in 2017 by a team of experienced technology professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve the management and sharing of data across their organisations. In 2024, Aker Systems won the Breakthrough Culture Awards highlighting growth companies putting culture first. In 2020 Aker Systems was recognised as a ‘One to Watch’ on the Sunday Times Tech Track. The Company was also recognised at the Thames Valley Tech Awards 2020; winning the Thames Valley Tech Company of the year, the Emerging Tech Company and High Growth Tech Business categories. We encourage people of all different backgrounds and identities to apply. We are committed to maintaining an inclusive, and supportive place for you to do your very best work. Duties & Responsibilities A UK Government Security Check (SC) clearance is required for this role. If you don’t hold SC clearance, we will support you to apply assuming you have lived and worked in the UK for a minimum of 5 years. As a Software Engineer, you will help lead the development of backend services for a government client leveraging the latest commercial and open-source technologies. This involves designing, developing, documenting and deploying backend services with a focus on high availability, low latency and scalability. • Design, develop, document and deploy new or enhanced features to our backend services that meet functional / non-functional business requirements, • Actively participate in the team’s elaboration and estimation of user stories, • Build frequent, small releases to maintain the team’s momentum, • Collaborate closely with other engineers in our cross-functional feature teams; ensuring that others can cover for you, and that you can cover for them, • Build, optimise and operate our Continuous Deployment pipelines, • Maintain operational responsibility for the services that your team owns Core Competencies The successful candidate will have a Bachelor's degree or greater in Computer Science or a related field. An equivalent of at least 5 years of working experience in a developer capacity is also acceptable for this position. You will have demonstrated the following competencies to the proficiency level appropriate to the seniority of the role; • JAVA programming experience as the core language, including Spring Boot., • Fluent in writing JAVA coding., • Experience with Kafka or a similar platform., • Experience with Scala and Spark., • Integrating with backing services, such as PostgreSQL, Redis or S3, • Good engineering practices including continuous delivery, clean code, documentation, defensive programming, automated testing and code reviews, • Working in Agile development and/or DevOps teams, • Using GitHub/GitLab for source control, • Test Driven Development with appropriate tools and frameworks, • Experience in Big Data technologies, • Experience in Public Cloud services, such as AWS Aker Systems Attributes At Aker we work as a team; we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider Aker. We help our colleagues and take pride in successfully achieving difficult tasks. We run towards problems and help to solve them. Communicate always, do so accurately and in a timely fashion. In return, we offer a competitive salary, 25 days holiday plus bank holidays, company paid medical insurance and life assurance, pension scheme, annual training allowance, wellbeing allowance, virtual GP, Employee Assistance plan and more. Equal Opportunities Aker Systems fosters a diverse environment that encourages openness in its communications and is committed to providing equal employment opportunity for all people regardless of race, religion, gender or sexual orientation, age, marital status, national origin, citizenship status, disability, veteran status or other personal characteristics. We embrace differences of opinion and diversity because they help challenge us and find new groundbreaking technical solutions.

Are you an engineer who enjoys building reliable systems and intuitive user experiences? Join Spotify’s Commerce Platform and help shape the Checkout experience for millions of users worldwide. You’ll contribute across the stack, grow your technical depth, and work on systems that directly support how users manage their relationship with Spotify. You’ll be part of the Checkout Domain, where we build and scale the purchase experience, from the moment a user selects an offer to what happens after they complete a transaction. Our teams work on services and surfaces that support billing, account updates, and post-purchase interactions that focus on building trust and retention. The work spans APIs, backend services, and user-facing components across web and mobile. This is a great opportunity to join a collaborative, product-focused team working in a space with real user impact and cross-functional reach. • Design, build and maintain scalable backend services (Java/Python) and be active in shaping our data pipelines that power Spotify’s internal Commerce platform, • Develop and enhance our user-facing layer and frontend SDKs (React/Typescript), • Be an active part of creating and evolving APIs and services that connect user experiences with internal Commerce capabilities, taking into account Product requirements, • Drive improvements to system architecture, performance, and developer experience, • Collaborate closely with a talented group of engineers, product managers, designers and data specialists across multiple teams, • Contribute to technical discussions and help shape platform decisions, • You have experience building and maintaining backend services (Java and/or Python) in large-scale, modern cloud environments (we use GCP), • You’re confident working across the stack, from building scalable APIs to developing intuitive, high-performing, modern frontend applications (React/TypeScript preferred), • You have experience in system design and service-to-service integration, • You bring an open and pragmatic mindset to solving complex problems, while actively connecting the dots across technical, product, and business to inform your approach, • You care about code quality, testability, and developer experience, • You communicate clearly, take initiative on projects and collaborate effectively in cross-functional settings, • Having experience in commerce or payments systems is a plus, • This role is based in London (UK), • We offer you the flexibility to work where you work best! There will be some in person meetings, but still allows for flexibility to work from home, • We ask that you come in three times per weekSpotify is an equal opportunity employer. You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what’s playing in your headphones. Our platform is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking! So bring us your personal experience, your perspectives, and your background. It’s in our differences that we will find the power to keep revolutionizing the way the world listens. At Spotify, we are passionate about inclusivity and making sure our entire recruitment process is accessible to everyone. We have ways to request reasonable accommodations during the interview process and help assist in what you need. If you need accommodations at any stage of the application or interview process, please let us know - we’re here to support you in any way we can. Spotify transformed music listening forever when we launched in 2008. Our mission is to unlock the potential of human creativity by giving a million creative artists the opportunity to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world’s most popular audio streaming subscription service.

About the Role We're looking for a highly technical Solutions Engineer to help mobile and web developers build better user experiences. At Embrace, we're the only user-focused observability solution built on OpenTelemetry, providing frontend teams with the insights they need to understand real customer impact across 100M+ devices and growing. What You’ll Do • Represent Embrace as both an expert communicator and technologist, and help deliver an amazing customer experience, • Communicate directly with customers, product and engineering teams, and work together towards a solution to the task at hand, • Drive the technical integration strategy and execution for both prospects and customers, leveraging deep product expertise to create customized implementation approaches tailored to each customer's technical environment and business objectives, • Quickly root-cause, identify technical issues, and provide clear instructions to reproduce the problems or drive new product specifications, • Directly impact product direction by suggesting improvements for customers day to day, • Ensure that our process for surfacing bugs to Engineering is fast, efficient, and effective, • Improve collaboration with Sales and Customer Success by developing tools and enhancing documentation Our Ideal Candidate will have: • 3+ years experience in a Mobile Developer, Web Developer, Sales Engineer, or Solutions Engineer role at a B2B software technology company, • Experience with mobile or web development and eagerness to learn and improve your skills. Familiarity with iOS, Android and their development tools, • Working knowledge of Linux and/or Mac OS X command line, • Comfortable discussing code; ability to read and write code is a plus (Python, Java, Objective-C, Swift, Kotlin, or JS preferred), • A curiosity for how things work and the ability to apply your experience of using tools and resources to come to a resolution, • Excellent communication skills and comfortability writing and speaking with people to help them solve their issues, • High competency and low ego, you have a passion for helping people both inside and outside of your company, • Willingness to travel for both customer-facing activities (technical workshops, integration support, relationship building) and quarterly internal team collaboration gatherings, • Diploma in Computer Science, Mathematics or related discipline preferred On target earnings (OTE) for this role are $130,000-$160,000. Actual compensation may vary based on level, experience, and skillset as assessed in the interview process. Benefits include equity and other benefits as detailed on our careers page. Why Join Embrace? As the only user-focused observability solution built on OpenTelemetry, Embrace delivers crucial insights across both DevOps, web and mobile teams to illuminate real customer impact – not just server impact – to deliver the best app experiences. Customers like The New York Times, Marriott, Masterclass, Home Depot, and Cameo love Embrace’s observability platform because it makes extremely complicated and voluminous data actionable. Our cultural values highlight how we seek to improve as individuals, team members, and a company each and every day.

Senior Java Developer (Must hold active SC) The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where all colleagues, regardless of their role, work together to minimise risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Your role: We are currently recruiting a Senior Java Developer for our team. You will apply a software engineering mindset to problems, whether that’s provisioning services, writing code or writing automation tools and scripts. You will have a lean mindset, striving to build reliable and performant services that are operationally sound. You will strive to do things better and faster, eliminating waste and applying this across the entire software delivery lifecycle for both internal customers and end users. What you’ll do: • You will be responsible for delivery business outcomes, from requirements into production environment., • You will have responsibility for all aspect of your code through to production, including performance, security. You build it, you run it., • You will be comfortable working as part of team, and helping the team deliver high quality code, • You will have a knowledge of Software architecture and how to apply it to business problems, • Advocacy and education: Help raise the bar for development teams, helping them learn and become self-sufficient, automating processes, you will interact with platform teams and impart knowledge of the Software development process., • Apply an automation approach to your work. You will be involved in everything from CI, CD, security tooling, code quality tools, deployment tooling, • You’ll provide technical support for the transition of applications into live service and support. Your skills and experience: • Experience of Java, • AWS, • Experience of Spring framework or equivalent., • Knowledge of software design patterns and when to apply them, • Excellent knowledge of development processes., • Experience of containerisation using Docker or Kubernetes, • Experience of Continuous Integration (CI) and Continuous Delivery (CD), • A passion for delivering quality code, by use of TDD and setting high software quality standard Diversity & Inclusion: Here at Amber Labs, we are dedicated to fostering an inclusive and equitable workplace for all. Our commitment to diversity, equality, and inclusion includes: Valuing the unique experiences, perspectives, and backgrounds of all employees and creating an environment where everyone feels welcomed, respected, and valued. Prohibiting all forms of harassment, bullying, discrimination, and victimisation and promoting a culture of dignity and respect for all. Educating all new hires on our Diversity and Inclusion policies and ensuring they are aware of their rights and responsibilities to create a safe and inclusive workplace. By taking these steps, we are dedicated to building a workplace that reflects and celebrates the diversity of our employees and communities. This role at Amber Labs is a 12 month perm FTC, and all employees (Must hold current active SC Clearance). Please be advised that, at this time, we are unable to consider candidates who require sponsorship or hold a visa of any type. What Happens Next? Our Talent Acquisition Team will be in touch to advise you on the next steps. We have a two-stage interview process for most of our consultants. In certain cases, we may include a third and final stage, which is a conversation with the company Partners. This will only be considered if deemed necessary.

Code First Girls is seeking experienced Java developers to provide technical 1:1 coaching for Software Engineers working with our partner companies. This is a freelance role, designed to support graduates and/ or employees professional growth over a six-month programme while helping CFG address the gender imbalance in tech. • Commitment: One or more hours per week from Jan ‘26 - July ‘26 (dependent on demand), • Remuneration: £60 per coaching session delivered (inclusive of any prep and follow-up work), • Role Type: Remote, freelance working Technical Coaching Programme Outline Our coaching programme provides on-the-job support to Software Engineers, helping them to build skills, confidence, and supporting their career growth. . As a technical coach, you’ll bring your professional expertise, guide learners through challenges, and where necessary, collaborate with the CFG team to shape programme content. Role & Responsibilities You’d be joining the CFG team on a professional freelance basis, helping to shape our Technical Coaching programme. You will be: • Lead 1:1 and group coaching sessions via pre agreed virtual platforms (Zoom, Google Meet)., • Commit to one 1:1 session per week, as a minimum, • Sessions are 50 minutes plus 10 minutes for post-session feedback and administrative duties., • Collaborate with CFG to develop workshops and group session content., • Manage your own availability and organise sessions with coachees., • Prepare adequately for coaching sessions based on coachees’ requested support., • Interact with coachees and CFG staff via designated communication channel when necessary., • Provide detailed feedback on coachee progress and complete end-of-programme feedback forms., • Represent CFG professionally and adhere to all company policies and Code of Conduct., • Complete all training materials and info sessions, where required for the programme. Essential Experience & Skills • Professional experience as a Java developer (5–6 years minimum)., • Strong technical skills in Java (backend)., • Strong experience and knowledge of:, • DynamoDB, Elasticsearch, Redis, • AWS, Kubernetes, • Technical architecture knowledge, • Queuing systems and queuing theory, • Technical decision-making expertise, • Passion for coaching, mentoring, and teaching others., • Strong presentation and communication skills., • Ability to work effectively in both 1:1 and group settings. This is a remote opportunity so you may be based anywhere in the UK, but please note all sessions will be conducted on UK time and you must have access to strong and reliable wifi, along with a professional environment and adequate equipment and resources to effectively deliver coaching. Application and Interview Process • Register your interest using the provided form & complete a short Hireflix interview., • Shortlisted candidates will then be invited to a short interview with members of the CFG internal team. This will consist of:, • Some short competency based questions, • A chance to demonstrate coaching techniques in a role-play scenario, • Q&A - a chance to ask us about the role, the company, or anything else you want to know! More information on the Coachees • Employees employed by our partners, • 6+ years of experience working in Java, • Range of other skills and experiences across our client base Inclusivity & Equal Opportunities: we are committed to attracting and recruiting diverse candidates as the CFG team continues to grow. We actively welcome applications from people of colour, applicants with disabilities and from minority groups.

Role – Confluent Consulting Engineer Technology – Apache Kafka, Confluent Platform, Stream Processing Location –(Remote) UK Job Description Your role: As a Confluent Consulting Engineer, you will be responsible for designing, developing, and maintaining scalable real-time data pipelines and integrations using Kafka and Confluent components. You will collaborate with data engineers, architects, and DevOps teams to deliver robust streaming solutions. Required: · 5+ years of hands-on experience with Apache Kafka (any distribution: open-source, Confluent, Cloudera, AWS MSK, etc.) · Strong proficiency in Java, Python, or Scala · Solid understanding of event-driven architecture and data streaming patterns · Experience deploying Kafka on cloud platforms such as AWS, GCP, or Azure · Familiarity with Docker, Kubernetes, and CI/CD pipelines · Excellent problem-solving and communication abilities Preferred: Candidates with experience in Confluent Kafka and its ecosystem will be given preference: · Experience with Kafka Connect, Kafka Streams, KSQL, Schema Registry, REST Proxy, Confluent Control Center · Hands-on with Confluent Cloud services, including ksqlDB Cloud and Apache Flink · Familiarity with Stream Governance, Data Lineage, Stream Catalog, Audit Logs, RBAC · Confluent certifications (Developer, Administrator, or Flink Developer) · Experience with Confluent Platform, Confluent Cloud managed services, multi-cloud deployments, and Confluent for Kubernetes · Knowledge of data mesh architectures, KRaft migration, and modern event streaming patterns · Exposure to monitoring tools (Prometheus, Grafana, Splunk) · Experience with data lakes, data warehouses, or big data ecosystems Personal Besides the professional qualifications of the candidates we place great importance in addition to various forms personality profile. These include: · High analytical skills · A high degree of initiative and flexibility · High customer orientation · High quality awareness · Excellent verbal and written communication skills

We are seeking a talented Java Developer with Security Clearance who is passionate about back-end development and has some exposure to front-end technologies. Design, implement, and maintain back-end systems using Java and Spring Boot. Proficiency in Java and Spring Boot for back-end development.

Legal & General supports the savings, protection and retirement needs of around 14 million people, through our portfolio of retail and workplace businesses. Our Retail division helps people enjoy a more colourful retirement, both directly and through their employers, including Lifetime Mortgages, Retirement Interest Only Mortgages and financial advice on our range of lending products. We are the UK’s number one individual life insurer, and also provide Group Protection products for employers – all helping people to plan for the unexpected. We support home buying through our Mortgage Club – the UK’s largest – and our award-winning Surveying Services team. And our fintech team finds and supports socially useful start-ups and scale-ups working in the workplace, home, insurance and wealth areas. Joining us means helping create brighter financial futures for all our customers. Are you a talented engineer ready to make a significant impact? Join our dynamic technical engineering team, where you'll use your software engineering skills to create innovative features, squash bugs, tackle technical debt, and streamline our processes. Your efforts will directly contribute to delivering exceptional, high-quality software that delights our customers. What you'll be doing: • Collaborating with the team to develop clean, maintainable features and resolve end-to-end issues, utilising various approaches to ensure we deliver outstanding outcomes to our customers efficiently and effectively, • Contributing to the management of technical debt, ensuring Legal & General’s systems remain secure, resilient, and reliable, • Enhancing and refining testing methodologies within the team to ensure the highest quality customer experience, with a strong focus on security, usability, and accessibility, • Participating in code reviews, emphasising both functional and non-functional requirements such as performance, resiliency, maintainability, and security, to consistently produce high-quality, safe software for our customers, • Engaging in continuous improvement efforts related to security, quality, deployment, monitoring, and operations, enabling the seamless release and operation of safe, performant, and resilient systems in production, • Actively participating in developer team meetings to keep colleagues informed and foster a culture of knowledge sharing. Communicating effectively and collaborate continuously with team members to ensure smooth delivery of development activities within the sprint timebox, • Pursuing ongoing skill development through relevant training in your role discipline Who we're looking for: • Proven hands-on experience in building microservices using Java and Spring Boot, • Solid understanding of clean code principles and architecture concepts such as SOLID and Onion, • Demonstrated expertise in crafting large-scale, well-optimised, and maintainable software features, ensuring robust and efficient solutions, • Good grasp of at least one layered backend application architecture, including three-tier, hexagonal, or onion, • Proficiency in test-driven development and familiarity with the testing pyramid., • Comprehensive understanding of Continuous Integration, Continuous Deployment, and other release strategies, • Proven ability to analyse, debug, and resolve highly complex issues, showcasing your critical thinking and technical prowess, • Excellent communication skills, with strong proficiency in both spoken and written English Whatever your role, we reward performance and behaviour with a package that looks after all the things that are important to you. Here are some of the benefits we offer: • The opportunity to participate in our annual, performance-related bonus plan and valuable share schemes, • Generous pension contribution, • Life assurance, • Private medical insurance (permanent employees only), • At least 25 days holiday, plus public holidays, 26 days after 2 years’ service. There’s also the option to buy and sell holiday, • Competitive family leave, • Participate in our electric car scheme, which offers employees the option to hire a brand-new electric car through tax efficient salary sacrifice, • There are the many discounts we offer – both for our own products and at a range of high street stores and online, • In 2023, some of our workspaces were redesigned. Our offices are great spaces to connect and collaborate and have your wellbeing at the heart At L&G, we believe it's possible to generate positive returns today while helping to build a better future for all. If you join us, you’ll be part of a welcoming, inclusive culture, with opportunities to collaborate with people of diverse backgrounds, views, and experiences. Guided by leaders with integrity who care about your future and wellbeing. Empowered through initiatives which support people to develop their careers and excel. We care passionately about outcomes rather than attendance and are therefore open to discussing all kinds of flexible working options including part-time, term-time and job shares. Although some roles have limited flexibility due to customer demand, we accommodate requests when we can. It doesn’t matter if you don’t meet every single criterion in this advert. Instead, think about what you excel at and what else you can bring in terms of strengths, potential and connection to our purpose.

Are you an experienced Senior Software Developer looking to take on a design authority role? Join a dynamic and growing team delivering cutting-edge cloud-based analytics solutions. With award-winning technology and strong partnerships in the IT & Telecoms sector, including Cisco, this is an exciting opportunity to work on high-performance applications at the forefront of innovation. The Role As a Senior Software Developer, you'll take ownership of key technical areas, ensuring best practices in design and development. You'll collaborate closely with product teams, lead architectural decisions, and play a pivotal role in enhancing our web application. This position offers full involvement in the software development lifecycle, from design and coding to testing and deployment. Key Responsibilities Design Authority - Lead architectural decisions and guide team members on best practices. Back-End Development - Build and optimise multi-threaded server-side applications in Java. Agile Development - Participate in stand-ups, sprint reviews, and backlog planning. Collaboration - Work with product teams to refine requirements and ensure seamless functionality. Quality & Testing - Write and maintain test scenarios, troubleshoot defects, and produce technical documentation. What We're Looking For ? 5+ years' experience developing multi-threaded server-side applications using Java. ? 3+ years as a design authority for complex software solutions. ? Strong understanding of MVC frameworks (Struts, JSF) and web application development. ? Experience with databases, SQL, and cloud platforms (AWS/Azure). ? Familiarity with Git, Jira, and Agile methodologies. • Flexible Remote / Hybrid working., • West Sussex. 1 day in office per week/month depending on your location., • Up to £75,000 plus benefits This is a fantastic opportunity to play a key role in an award-winning company, working on cutting-edge software solutions. Apply now to be part of a forward-thinking team! Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

We are looking for a dedicated, engaged software engineer that is passionate about working on highly available, low latency client SDKs and the related backend services in the authentication and session management domains. These form the backbone of our product experience for hundreds of millions of users worldwide. You’ll be directly helping with the evolution of Spotify’s overall authentication and session management infrastructure. • Be part of an autonomous and cross functional team of Mobile and Backend Engineers along with members from Product, Design and Insights to identify and tackle important problems in the Authentication and Session Management domains., • Build highly scalable backend services and SDKs that bring the happiness of music to millions of users., • Write clean and maintainable code that will scale across a number of projects and distributed development teams, • Share knowledge, promote best practices, and collaborate with some of the best engineers in the company, • Improve developer experience, the team is driven by a strong focus on clean APIs and engineering efficiency, • You are an expert in either C++ OR Java., • It’s a bonus if you have some experience with both., • You have experience with strong testing practices, A/B testing or CI/CD, • You are familiar with the Authentication domain and understanding of authentication protocols like OAuth, • You are familiar with cryptographic techniques and security best practices., • Experience in iOS (Objective C / Swift) or Android (Kotlin) development is a plus., • This role is based in London, • We offer you the flexibility to work where you work best! There will be some in person meetings, but still allows for flexibility to work from home.Spotify is an equal opportunity employer. You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what’s playing in your headphones. Our platform is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking! So bring us your personal experience, your perspectives, and your background. It’s in our differences that we will find the power to keep revolutionizing the way the world listens. Spotify transformed music listening forever when we launched in 2008. Our mission is to unlock the potential of human creativity by giving a million creative artists the opportunity to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world’s most popular audio streaming subscription service.

With award-winning technology and strong partnerships in the IT & Telecoms sector, including Cisco, this is an exciting opportunity to work on high-performance applications at the forefront of innovation. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to_and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to _, and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! . See yourself at Twilio Join the team as Twilio’s next Senior Software Engineer. About the job This position is needed to deliver the best-in-class Twilio SDK experience for our customers. Twilio’s SDK engineering team builds robust, powerful SDKs and a GraphQL layer to enable developers build their own Contact Center UIs and real-time AI Contact Center products. Many other teams rely on integrating and exposing their services via the Unified SDK layer to deliver their advanced features to our customers. The position is especially critical in supporting Twilio’s expansion and will be central to creating a core product that provides leverage to all of Twilio’s Flex Contact Center and engineering teams! Responsibilities In this role, you’ll: • Design, build, and maintain large-scale backend services with a focus on reliability, availability, scalability, and performance., • Lead technical design efforts and ensure architecture decisions are well-documented and future-proof., • Collaborate closely with senior engineers, product managers, and cross-functional stakeholders., • Champion high-quality engineering practices, including automated testing, maintainable code, and thorough documentation., • Own and continuously improve Twilio’s developer experience for SDK customers., • Support customers by troubleshooting issues and promoting backend and SDK best practices., • Contribute to operational excellence by maintaining a high reliability bar and participating in incident response and system improvements. Qualifications Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table! *Required: • Bachelor’s/Master’s in Computer Science, Engineering, or related field., • 5+ years of experience building and operating cloud-scale backend systems., • Strong programming skills in backend languages such as Java or Scala., • Experience authoring technical specifications and delivering end-to-end system designs., • Strong fundamentals in concurrency and distributed systems., • Experience working with AWS or other cloud platforms at scale., • Proven ability to maintain a high operational excellence bar and mentor junior engineers on reliability and maintainability., • Strong communication skills and the ability to thrive in collaborative, fast-moving teams. Desired: • Excellent problem-solving and critical thinking skills., • Any prior experience building SDKs and GraphQL BFF layer is an added advantage., • Ability to establish backend engineering guidelines and represent the team within the broader Twilio engineering organization., • Passion for delivering high-quality products and continuously learning new technologies., • Strong sense of ownership and accountability., • Comfortable navigating ambiguity and driving clarity in evolving environments. Location This role will be remote and based in the UK Travel We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings. What We Offer Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location. Twilio thinks big. Do you? We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call . Additionally, we empower employees to build by supporting their volunteering and donation efforts. So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, _ Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.

Senior Java Developer | Java, Spring, AWS | Salary up to £75k | Remote (UK) | Immediate Start. Senior Java Developer | Java, Spring, AWS | Salary up to £75k | Remote (UK) | Immediate Start. Our partner is looking for a Senior Java Developer to join their high-performing tech team delivering cloud-

Job Title: Solutions Engineer Location: London, Berlin, or Amsterdam metro area (Remote) About FusionAuth FusionAuth is a developer-first customer identity platform that gives engineering teams complete control over authentication, authorization, and user management. We serve organizations across B2C, B2B, and B2B2C with a single-tenant architecture, flexible hosting options, and deep extensibility through APIs, webhooks, and advanced customizations. We’re a fast-growing company solving complicated identity problems for teams that care about control, performance, and security. Our Solutions Engineering team sits at the center of product, engineering, and revenue — guiding prospects through architecture decisions, supporting complex proof-of-concepts, and helping them evaluate FusionAuth with clarity and confidence. If you love talking to developers, diagramming architectures, building sample apps, and helping teams understand the “why” behind identity decisions, this role is for you. Job Summary Your Role: The Hero of Solutions Engineering As a Solutions Engineer, your mission is to drive the technical win. You’ll team up with Account Executives to run deep discovery, demonstrate FusionAuth’s capabilities, build trust with engineering teams, and guide prospects through solution design, hosting choices, and identity architecture decisions. This isn’t a “demo jockey” role — our SEs write code, build PoCs, advise on CIAM best practices, and advocate for developers. You’ll influence product direction, collaborate closely with engineering, and shape how organizations adopt FusionAuth in the real world. Responsibilities Drive Technical Discovery & Solution Design • Lead discovery sessions that uncover technical requirements, constraints, and success criteria., • Build and present architectural recommendations tailored to each prospect’s environment and model (B2C, B2B, B2B2C, app suites, multi-tenant SaaS, M2M)., • Guide prospects through modern auth patterns (OAuth, OIDC, SAML, MFA, SSO, token exchange, mTLS, DPoP, FGA, etc.). Deliver Developer-First Technical Evaluations • Run demos that speak directly to engineering teams — hands-on, credible, and real., • Build example apps, scripts, and integration patterns using FusionAuth, modern frameworks, and cloud tooling., • Support structured proofs of concept, including async Slack support, environment setup guidance, sample payloads, and success criteria alignment., • Advise on FusionAuth hosting tiers (Basic, Business, HA) and help prospects understand cost, scale, and operational tradeoffs., • Assist with customer environments: Docker, Kubernetes, containers, microservices, cloud infra, CI/CD, and DevOps patterns., • Help prospects align FusionAuth with compliance, security, and regional requirements. Collaboration, Documentation & Process • Partner with product and engineering to ensure field requirements are heard and prioritized., • Contribute documentation, internal runbooks, diagrams, and developer-focused content., • Participate in creating Consensus workflows, Problem/Solution videos, and technical demo assets., • Present at meetups, webinars, and developer-focused events., • Collaborate with DevRel and Product Marketing to create authentic developer content., • Serve as a credible technical voice in the identity community. Qualifications • Dev XP: 4+ years software development or engineering experience (you can write code, debug, and reason about architecture)., • SE XP: 2+ years in pre-sales, customer-facing engineering, technical consulting, or similar., • Hands-on IAM experience (OAuth, OIDC, SAML, MFA, SSO) with ability to explain and implement flows., • Comfort working with modern frameworks (JS/TS, Python, Java, Go, etc.)., • Experience with cloud platforms (AWS, GCP, Azure)., • Familiarity with DevOps tooling (Docker, Kubernetes, CI/CD, observability)., • Strong communication skills — diagramming, documentation, storytelling., • Curiosity and a builder mindset — SEs at FusionAuth are makers. Preferred • Experience with CIAM specifically (Auth0, Keycloak, Cognito, WorkOS, Stytch, Frontegg, etc.)., • Security/compliance awareness (SOC2, GDPR, HIPAA)., • Experience in multi-region deployments, high availability, and distributed systems., • Technical certifications (AWS SA, Kubernetes, security certs)., • Location: Based in London, Berlin or Amsterdam metro area Important Details • Application Submission: We value authentic, thoughtful responses. Copy/pasted or AI-generated answers to application questions that don’t reflect your own experience may disqualify your application., • In-Person Interview: Please be aware that participating in an in-person interview is a required step in the FusionAuth hiring process prior to employment. This visit allows both FusionAuth and the candidate to get to know each other better and confirm a strong mutual fit and alignment with our team and work environment. Candidates are encouraged to plan accordingly, and FusionAuth supports this process by reimbursing reasonable travel and lodging expenses associated with onsite interviews. If you are passionate about technology that solves real-world customer problems, and want to join a company that is moving the industry forward, FusionAuth is a perfect fit for you! Equal Employment Opportunity FusionAuth provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. | Recruiters FusionAuth does not accept unsolicited resumes from recruiters or employment agencies. In the absence of a signed agreement, we reserve the right to pursue and hire candidates without any financial obligation to the recruiter or agency. Any unsolicited resumes, including those submitted directly to hiring managers, are deemed to be the property of FusionAuth.

Java Full Stack Developer with Camunda BPM. Collaborate with business analysts, testers, DevOps, and other developers to deliver complete solutions. HTML5, CSS3, JavaScript/TypeScript.

Job Title: Java Developer with Microservices. Core Java, Java 8+ features (Streams, Lambda, etc.

Build a RESTful API layer in Java implementing full catalogue functionality:. MongoDB, including querying, aggregation pipelines, and integrating MongoDB into Java application layers.

We have an opportunity live at the moment for a Full Stack Java Developer. We are seeking an experienced Senior Full Stack Java Developer with 7–8+ years of hands-on experience in designing, developing, and supporting enterprise-grade web applications. Build and support microservices-based solutio

The Personalization team makes decisions about what to play next easier and more enjoyable for every listener. From Blend to Discover Weekly, we’re behind some of Spotify’s most-loved features. We built them by understanding the world of music and podcasts better than anyone else. Join us and you’ll keep millions of users listening by making great recommendations to each and every one of them. We are looking for a Backend Engineer to join our distributed team across Europe of hardworking engineers that are passionate about connecting new and emerging creators with users via recommendation algorithms. As an integral part of the squad, you will collaborate with engineers, research scientists and data scientists in prototyping and productizing state-of-the-art ML that serves at scale for hundreds of millions of users. • Design, develop, and deliver robust and scalable backend systems and APIs., • Collaborate with other engineers, product owners, and designers to identify and solve challenging problems and build new product features., • Write clean, maintainable, well-documented code, adhering to coding best practices., • Participate in the improvement of our software development standards and practices., • Stay up-to-date with emerging backend technologies and best practices., • Be a member of the Spotify-wide backend developer community affecting and driving our architecture across the company., • You have experience writing distributed, high-volume Java services and know how to deploy and keep them running in production., • You have a good understanding of data structures and algorithms, and understand how to apply them to design pragmatic solutions., • You have excellent analytical and problem-solving skills and can communicate your ideas to technical and non-technical audiences., • You love working in an environment where you constantly experiment and iterate quickly., • You believe data is the most powerful tool for informed decision-making., • You care about quality and you know what it means to ship high quality code., • This role is based in London., • We offer you the flexibility to work where you work best! There will be some in person meetings, but still allows for flexibility to work from home.Spotify is an equal opportunity employer. You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what’s playing in your headphones. Our platform is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking! So bring us your personal experience, your perspectives, and your background. It’s in our differences that we will find the power to keep revolutionizing the way the world listens. At Spotify, we are passionate about inclusivity and making sure our entire recruitment process is accessible to everyone. We have ways to request reasonable accommodations during the interview process and help assist in what you need. If you need accommodations at any stage of the application or interview process, please let us know - we’re here to support you in any way we can. Spotify transformed music listening forever when we launched in 2008. Our mission is to unlock the potential of human creativity by giving a million creative artists the opportunity to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world’s most popular audio streaming subscription service.

Senior Java Software Developer. Are you an experienced Senior Software Developer looking to take on a design authority role? Join a dynamic and growing team delivering cutting-edge cloud-based analytics solutions. As a Senior Software Developer, you'll take ownership of key technical areas, ensuring

Documentum Developer / Consultant I'm currently working with a global consultancy that is continuing to invest heavily in its Digital and Enterprise Content Management capabilities and is looking to grow its Documentum practice with the addition of an experienced Documentum Developer / Consultant. This is an opportunity to join a highly skilled team delivering large-scale enterprise content management solutions for a range of high-profile clients. The Role You'll be responsible for designing, developing and supporting OpenText Documentum solutions, working closely with technical teams, stakeholders and end clients to deliver robust, scalable content management platforms. Key responsibilities include: • Designing and developing Documentum-based applications and solutions, • Configuring and supporting Documentum Content Server, D2 and Webtop environments, • Developing custom functionality using DFC, DFS, REST APIs and Java, • Implementing document lifecycles, workflows and process automation, • Supporting upgrades, deployments, patching and platform enhancements, • Troubleshooting and resolving technical issues across enterprise environments, • Working closely with stakeholders to gather requirements and provide technical expertise, • Ensuring solutions align with security, governance and compliance standards What We're Looking For • Strong commercial experience with OpenText Documentum, • Experience with Content Server, D2, xCP and/or Webtop, • Hands-on development experience using DFC, DFS, REST APIs and Java, • Strong understanding of Documentum architecture, repositories, workflows and lifecycles, • Experience working within Linux/Unix and Windows environments, • Database knowledge across Oracle and/or SQL Server, • Familiarity with source control, deployment tools and CI/CD practices, • Strong problem-solving and troubleshooting capabilities, • Excellent communication and stakeholder management skills Desirable Experience • Documentum xCP development or configuration, • Cloud experience within AWS and/or Azure environments, • Integration of Documentum with third-party enterprise applications, • OpenText Documentum certifications What's On Offer? • Opportunity to work for a globally recognised consultancy, • Exposure to large-scale enterprise transformation programmes, • Hybrid working model (remote first with occasional office visits - West Midlands), • Collaborative and technically strong delivery teams, • Ongoing learning and development opportunities, • Competitive salary and benefits package JBRP1_UKTJ

Some experience in frontend JavaScript.

Delta Capita is seeking a highly skilled Senior eTrading Developer to join our clients Global Markets Technology practice. Develop high‑quality, low‑latency server‑side Java components using industry‑standard patterns. Strong server‑side Java experience, including demonstrable multithreade

Hunter Bond is seeking a Front Office Java Developer to join an elite investment institution in London.

Delta Capita is looking for a Senior Rates Developer to join their team in London. This contract position offers a rate of £800 to £900 per day and requires strong server-side Java development experience within a real-time trading environment.

Extensive frontend development experience with TypeScript, JavaScript, React, and Next.

Solid experience programming using Core Java. Exposure to Java 17+ is a plus.

Delta Capita is seeking a highly skilled Senior Rates Developer to join our Global Markets Technology practice. Implement high‑quality Java server‑side components, applying industry‑standard development patterns. Strong server‑side Java development experience, including multithreading.

This is an unmissable opportunity for an experienced Java Quantitative Developer to join the crypto trading desk of one of the leading institutional digital asset firms in the market. Java, Low Latency, Algo Trading, Pricing, Hedging, FX/Crypto, DeFi, AWS. Translate trader and quant ideas into effic

ServiceNow Developer - JavaScript, API, Jira, Azure, ITSM, ITOM, Hybrid, 12 months contract £700. Our client within the Public sector requires a proven SC Cleared ServiceNow developer to support the development of enterprise workflows and data-driven decisions.

Java DeveloperDeveloperLondonAugust 20, 202588400 - 98700 / monthFull TimeApplication ends: May 12, 2026Apply Now### Job DescriptionA Sr. Java Developer is responsible for designing, developing, and maintaining high-quality Java applications. Key Responsibilities* Design, develop, and implement

We welcome applications from any industry and should you wish to apply your application will be reviewed for a multitude of Developer positions at varying levels.

As a Lead Java Developer – Vice President within Citi’s FX Risk technology team, you’ll be at the intersection of high‑stakes financial engineering and the next generation of AI‑powered software development. Java development experience with strong focus on Core Java and multithreading in h

Seeking an experienced Lead Full Stack Developer with Active SC, Java, Spring Boot, and React skills. My client, a well-known consultancy, urgently requires a Lead Full Stack Developer to join a business-critical program.

We are seeking a hands on Senior Java Developer to join J. Senior Java Developer – JP Morgan – London – 10-month Contract – Onsite. This is a hands on role where you will design, build, and maintain Java-based backend systems, working with microservices, cloud technologies, and distributed s

Location: London, United Kingdom.Compensation: £500 - £600 per day.Visa sponsorship: Not provided.React and TypeScript development in a front‑office banking/finance context.Front‑office experience highly desirable.Exposure to banking and finance domain.Experience with front‑office banking/fi

Salt Digital Recruitment is seeking a Senior Java Developer with expertise in AWS and Java to join their team in Sussex. This position focuses on designing and maintaining cloud-native Java microservices and requires collaboration with technical leads, QA, and product teams.

My client is looking for a Java Developer with Active SC Clearance to work on a business-critical programme ASAP. Java Developer – SC Cleared, Microservices.

Quant Capital is urgently looking for a Java Developer to join a pioneering tech start‑up.

Java Script Works is looking for a PHP Developer with SC clearance for a 12-month contract in London, United Kingdom. The ideal candidate should have proven experience in PHP and familiarity with WordPress, JavaScript, and TypeScript.

Hopeghospital in Greater London is seeking a Senior Java Developer to design and maintain high-quality Java applications. The role involves collaborating with cross-functional teams to deliver scalable solutions, optimizing performance, and mentoring junior developers. Candidates must have strong pr

Senior Java Analyst Developer / Technical Consultant. Software technologies such as Core Java, Spring Boot, Hibernate/JPA, and UI using React, Ember,.

Java Development: Building high performance pricing and analytics tools using the latest versions of Java. Java: Extensive Java experience required (ideally up to version 21). You will be working with the latest versions of Java (ideally up to version 21), directly with traders and quants to build h

PHP Developer - SC Clearance - WordPress, JavaScript, TypeScript. I am currently partnered with a UK Consultancy who needs a PHP developer with SC clearance.

Quant Capital is looking for a Quant Developer in London, UK, to join their Risk Technology team. Proficiency in languages such as C++, Python, or Java is essential, along with a strong knowledge of software design and communication skills.

Java Script Works is seeking an experienced Lead Full Stack Developer to contribute to a crucial program within a well-known consultancy. This position allows for remote work and requires expertise in Java, Spring Boot, and React, alongside holding Active SC clearance.

A leading consulting firm is seeking a Senior Rates Developer to join their London-based team on a hybrid basis. This role focuses on Java development in a high-performance trading environment, enhancing pricing capabilities for Rates and FX. The ideal candidate will have strong server-side Java exp