Spring developer jobs in United Kingdom

Join Aristocrat as a Java Developer and be a pivotal part of a team crafting the future of gaming technology. As an ambitious and forward-thinking company, Aristocrat aims to build world-class gaming experiences for millions of users globally. Your role will be crucial in driving innovation and excellence in our Backend-as-a-Service (BaaS) offering, ensuring we remain ahead in the competitive gaming industry. This is an outstanding opportunity to work with a diverse and inclusive team, dedicated to delivering flawless solutions and continuously improving our systems. If you are passionate about technology and eager to contribute to a dynamic and collaborative environment, we want to hear from you! What You'll Do • Work independently across multiple squads in the same project, offering technical expertise and mentorship., • Collaborate with senior team members to build, develop, and maintain backend services and APIs using Java and cloud-native technologies., • Develop actionable development tasks that drive iterative progress for product delivery and the team., • Apply principles of domain-driven design to develop a well-organized and sustainable codebase., • Build and manage microservices architecture, ensuring services are scalable, reliable, and secure., • Work with cross-functional teams, including third-party integrations, product managers, QA, solution architects, infrastructure, and DevOps, to deliver high-quality software solutions., • Write clean, maintainable, and efficient code following guidelines and coding standards., • Perform code reviews, providing constructive feedback to peers., • Continuously improve existing systems by identifying and implementing performance optimizations and refactoring opportunities., • Ensure robust testing and validation of software through unit testing, integration testing, contract testing, and automated testing frameworks., • Participate in agile development processes, including sprint planning, stand-ups, and retrospectives., • Stay up to date with new technologies and industry trends and apply this knowledge to improve our development practices. What We're Looking For • Solid understanding of cloud-native development and experience with cloud platforms such as Google Cloud (preferable), AWS, or Azure., • Proficiency in applying domain-focused creation (DFC) to software development., • Strong knowledge of microservices architecture and experience in building and deploying microservices., • Proficiency in RESTful API development and construction., • Experience with event-driven architecture and messaging systems (e.g., Kafka, RabbitMQ, Google Pub/Sub)., • Experience with containerization technologies such as Docker and orchestration tools like Kubernetes., • Familiarity with database technologies, especially NoSQL (e.g., MongoDB or equivalent experience)., • Strong understanding of solid engineering principles, including SOLID, DRY, and KISS., • Knowledge of Software & Cloud development patterns, especially Strangler Fig., • Experience with version control systems (e.g., Git) and CI/CD pipelines (e.g., GitHub Actions, Gradle, Maven, ArgoCD)., • Outstanding proficiency in addressing challenges and being adept at both independent and teamwork., • Pro-active, self-starter, and able to work autonomously., • Good working knowledge of the core Spring libraries., • Understanding of communication protocols, such as REST and WebSockets., • Testing guidelines, including both unit and integration testing. Preferred Skills and Experience • Understanding security guidelines in software development and cloud environments., • Familiarity with monitoring and logging tools (e.g., Grafana)., • Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience)., • Certification in cloud platforms (e.g., AWS Certified Solutions Architect, Google Cloud Professional)., • Experience working on high-volume, highly available websites. Why Aristocrat? Aristocrat is a world leader in gaming content and technology, and a top-tier publisher of free-to-play mobile games. We deliver great performance for our B2B customers and bring joy to the lives of the millions of people who love to play our casino and mobile games. And while we focus on fun, we never forget our responsibilities. We strive to lead the way in responsible gameplay, and to lift the bar in company governance, employee wellbeing and sustainability. We’re a diverse business united by shared values and an inspiring mission to bring joy to life through the power of play. We aim to create an environment where individual differences are valued, and all employees have the opportunity to realize their potential. We welcome and encourage applications from all people regardless of age, gender, race, ethnicity, cultural background, disability status or LGBTQ+ identity. EEO M/F/D/V * World Leader in Gaming Entertainment * Robust benefits package * Global career opportunities Our Values * All about the Player * Talent Unleashed * Collective Brilliance * Good Business Good Citizen Travel Expectations None Additional Information At this time, we are unable to sponsor work visas for this position. Candidates must be authorized to work in the job posting location for this position on a full-time basis without the need for current or future visa sponsorship.

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.

Job Title: Java Developer Location: London (Hybrid – 3 days in office per week) Salary: Up to £80,000 per annum About the Company: Join a leading travel company renowned for delivering exceptional customer experiences and innovative digital solutions. As part of a forward-thinking technology team, you’ll contribute to shaping the future of travel by building scalable, high-performance applications used by millions of customers worldwide. The Role: We are looking for a skilled Java Developer to join our London-based technology team. You will work on designing, developing, and maintaining enterprise-level applications that support our digital platforms and customer-facing services. Key Responsibilities: • Design, develop, and maintain high-quality Java applications and microservices., • Collaborate with cross-functional teams including product, UX, and QA to deliver innovative solutions., • Participate in full software development lifecycle: analysis, design, development, testing, deployment, and support., • Ensure code quality through unit testing, code reviews, and adherence to best practices., • Troubleshoot, debug, and optimize applications for performance and scalability., • Stay up-to-date with the latest Java technologies and industry trends. Required Skills & Experience: • Strong experience in Java (Java 8+) development., • Solid understanding of object-oriented programming and design patterns., • Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data)., • Experience with relational databases (e.g., MySQL, PostgreSQL) and writing SQL queries., • Knowledge of RESTful API development and integration., • Familiarity with version control systems, preferably Git., • Understanding of Agile/Scrum methodologies. Desirable Skills: • Experience with cloud platforms (AWS, Azure, or GCP)., • Knowledge of front-end technologies (JavaScript, Angular, React)., • Familiarity with CI/CD pipelines and DevOps practices. What We Offer: • Competitive salary up to £80,000., • Hybrid working with 3 days in the London office., • Opportunity to work on innovative projects in the travel industry., • Collaborative and supportive team environment., • Learning and development opportunities to grow your career.

Do you have 1 - 3 years commercial experience developing software with Java? Looking to join a company when you can make a real impact? 🚀 Java Software Developer – SaaS Solutions 🚀 💲 Salary – up to £55k + bonus 📍 Location – hybrid working 2 days a week in modern London office We have a fantastic brand-new opportunity for a Java Software Developer to join a fast-growing London-based technology SME that provides digital and SaaS solutions for a number of UK companies and government functions. Their admirable dedication and customer focus has already contributed to significant annual growth and driven long-standing partnerships with the likes of the Ministry of Defense, HM Treasury, and the Departments of Work & Pensions and International Trade. They are looking for a motivated Java Software Developer with experience with: • Java, • Spring Boot, • Microservices, • Containerisation using Docker, Kubernetes, • Developing cloud-native applications with AWS, GCP, Azure, • SQL, NoSQL and other tools and scripting skills As a Java Software Developer, you will enjoy fantastic benefits: • Bonus, • Private health insurance (covering eye and dental too), • Life assurance, • Enhanced pension contributions, • 25 days holiday + bank holiday which increases with tenure, • Season ticket loan, • Team away days and monthly socials, • Personal development training budget, • Enhanced maternity and shared parental leave If you would like to join a company that will do wonders for your career with unlimited opportunities for progression, while also working from home 3 days a week, apply now and be considered immediately as a Java Software Developer! Please note: Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK.

Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior Java Developer to join a leading Investment Bank as part of their global front-office technology team. This is a hands-on position focused on working with a real-time, event-driven system that underpins our industry-leading platform. You will play a crucial role in modernizing and enhancing core system components, ensuring the platform can scale to meet the growing demands of business event processing and data management. Key Responsibilities: • Develop, implement, and maintain highly performant, secure, and scalable Java applications., • Java Server Side Concurrent Programming with Spring Boot (Core Spring), • Leverage Kafka or other message queue systems to handle asynchronous processing., • Design, optimize, and maintain MongoDB (NoSQL) database schemas., • Craft and optimize advanced SQL queries for relational databases., • Create comprehensive unit and integration tests using JUnit and other relevant frameworks., • Take full ownership of feature development from design through to production deployment., • Collaborate effectively with cross-functional teams, balancing independence and teamwork. Key Skills: • Java, • Kotlin, • Concurrency, • Message-driven architectures - Kafka, MQ, • SQL Queries, • Unix/Linux scripting, • Multithreading This is a full time role offering a salary of up to £130k. You will be required to attend the office in London 3 times per week. If you are interested or know anyone who might be please apply or email me direct - Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading

Introduction Wipro is looking for a Java Developer to join our team. About Wipro Wipro is an exciting organization to work for. We ranked as a “Top Employer” as part of the Top Employer Institute 2023 annual listings, assessed on key HR practices including Diversity and Inclusion. Our business has seen exciting growth in the last ten quarters. Your Benefits You will be joining a growing, fast-paced, and dynamic organization. As the [Job Title], you will receive a competitive salary, a generous benefits package including training and development, up to 6% employer contributory pension, and a quarterly bonus. Mandatory Skills • Java 8 and above, Spring 5, Spring Boot, Maven/Gradle, Git, Jenkins (must be technically and conceptually strong, and currently hands-on), • Strong analytical thinking and problem-solving abilities, • Excellent communication skills to clearly share and discuss ideas, • Demonstrated experience contributing to solution design and architecture (for senior candidates) Desirable Skills • New technology exposure, especially Docker and Kubernetes, • Relevant certifications and industry awards Equal Opportunities Wipro is an advocate for positive change and conscious inclusion. As a global employer, we strive to create a diverse Wipro family by remaining committed to the development of our culture, diversity, equality, and inclusion in the workplace. All applicants welcome.

Java Software Engineer (Product Engineering- Real-time Payments) Location: London, Hybrid (1-2 days/week) A Java Software Engineer is needed for a highly regarded payment solutions company; they are used by major global financial institutions standing out for its low-code, cloud-native real-time payments platform They’re looking for a Java Developer with a product engineering background to join their team, building highly available, scalable systems that power next-generation payments. Your Background/ Tech Stack • Java with Spring, • Reactive programming (AKKA etc), • Kafka or JMS, • Solid understanding of CI/CD pipelines, automation, and Agile delivery practices., • Experience working with MongoDB or other NoSQL databases. The Role • Play a key role in developing real-time payment processing systems using Java, Spring, and Reactive frameworks., • Follow TDD and BDD methodologies to ensure clean, maintainable, and well-tested code., • Contribute to technical and design decisions, shaping the future of the payments platform., • Build reusable, modular code and optimise applications for maximum speed and scalability., • Work within an Agile delivery environment, collaborating closely with cross-functional teams., • Leverage automation, CI/CD pipelines, and DevOps tools to streamline deployments and improve delivery efficiency. This is a great opportunity to work in a fast-paced, collaborative engineering environment, designing and developing products that sit at the heart of a global payments network. Please apply now for more information. Software Engineer- Product Engineering- Real-time Payments

I'm working with a fantastic software company that's looking for a Principal Software Engineer to join their team. They've developed a powerful product that utilises data analytics and machine learning to optimise inventory data, built primarily on Java. This is a key role where you'll take ownership of the technical roadmap and manage solutions architecture, acting as a vital link between leadership and the engineering team. Job Title: Principal Software Engineer Location: Central London (Office Based) Salary: £80,000 - £95,000 Industry: Software/Data Analytics Requirements: • Over 7 years of experience as a Full Stack Developer., • Proven track record in leading product development and architecting solutions., • Demonstrated expertise in scaling and managing production systems., • Provides comprehensive technical development support, both broad and detailed., • Highly proficient in: Python, Java, Spring, JavaScript, Vue, Elasticsearch, PostgreSQL, cloud computing (AWS, Azure), Terraform, ML, GitHub Actions, Jenkins, and Linux. Responsibilities: • Own the technical roadmap, aligning it with the product strategy to achieve key business objectives., • Architect and manage robust solutions and APIs., • Deliver critical software engineering, with a focus on rapid prototyping., • Inspire and mentor a highly motivated, polyglot on-site development team., • Lead R&D initiatives and technical debt reduction, actively supporting team members., • Facilitate and lead sprint retrospective routines, fostering continuous improvement., • Drive the investigation and adoption of new technologies, tools, and processes to enhance product and solution delivery. If you are an highly experienced Full Stack Java Developer and have brilliant experience with Architecture and Roadmaps then Apply!

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.

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an exciting Product roadmap over the coming years. This role is based out of central London on a hybrid approach and looking for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: • Java 11 (moving to Java 17), • Relational Databases- SQL and ORM Tech (JPA, Hibernate), • Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC, • Spring Boot, • AWS, • Microservices, • ML/ Big Data- desirable, • Docker- desirable, • messaging- GRPC/Solis- desirable Responsibilities: • Design and development of low latency software components, • Contribute across the entire SDLC, • write and enhance well structured, testable, scalable and efficient code, • setup and maintain development process tools, • Collaborate in agile development process meetings, stand ups, sprint panning, retrospectives and foster collaboration, • mentor more junior engineers, • collaborate with cross functional teams, • champion best practice Projects: • migration from some monolithic architecture to microservices, • migration from java 11 to java 17, • migration to new versions of Vaadin, • brand new lender platform and payment systems for their customers, • Building a white label solution or managed service offering Cultural fit: • Super collaborative, • process light and the Senior Engineers are able to introduce ideas and have autonomy to drive change, • looking for self starters, pragmatic engineers that will be accustomed to working in a start up/scale up This is a brilliant role for someone that wants to play a big part in the growth of a team and a business, where there voice is heard and ideas are shared. The successful Senior Engineer will get the opportunity to work on a trail blazing fintech product with a great bunch of people, with no red tape or bureaucracy. Salary is up to £95k plus a competitive benefits package which includes 5% matched pension (salary sacrifice), 25 days holiday plus bank holidays, private health care with aviva, income protection, super flexible hours, L&D budget, a modern and state of the art office with lots of socials and an outstanding Engineering Leader who has a history of building high performing teams and growth of individuals. If this sounds like you then please click apply now! Senior Java Developer- London/Hybrid- up to £95k

🌟 Senior Software Developer (Java / Spring) | London (Hybrid) | £50K 💰 📍 Location: London (Hybrid) 🕒 Experience: 2+ years 💼 Type: Full-time | Permanent 🚀 The company are developing software solutions that address a wide range of challenges faced by the public sector. Their customers include government departments, agencies, and other public sector organisations, helping them streamline processes and achieve their goals effectively. They are looking for a skilled Senior Software Engineer who looking is eager to learn, and are ready to contribute to our ongoing growth and success. 💻 What You’ll Do: • 🔧 Develop and maintain applications using Java & Spring Boot, • ✅ Write and maintain unit, integration, and end-to-end tests, • 🔍 Participate in code reviews and uphold coding standards, • 🎨 Help design scalable, secure features and services, • 🛠️ Troubleshoot and debug complex systems, • 📦 Use CI/CD tools 🧠 What You Bring: • 🧪 2+ years’ commercial experience in Java with Spring, • 🧰 Solid grasp of modern Java practices, • 🔄 Familiarity with Agile methodologies & short delivery cycles, • ⚙️ Hands-on with CI tools and Git-based workflows 💼 What We Offer: • 💰 Salary: Up to £50k DOE, • 🏠 Flexible Hybrid Working - 2 days onsite per week, • 🎉 Profit share scheme to reward your contributions., • 🏥 Private health insurance to keep you covered., • 💼 Pension scheme for a secure future. ✨ If you're passionate about writing high-quality code and want to work on software that makes a difference, this role is for you!

Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. Opus have partnered with a VC Backed Fintech start-up who are looking to grow their London office. They are growing quickly so are looking for Java Developers of all levels from Mid – Tech Lead to join the team. They are currently about 100 people strong and looking to double this within the next 12 months. As a Developer you will be building and maintaining high performing back end systems. The sort of projects you will be involved in is building API’s, developing microservices and upgrading existing systems. Experience needed – • Java 21, • TDD, • AWS They’re also looking for people who have worked within a fast paced Startup/scaleup company. What is in it for you? • Hybrid working(1-2 days a week in the office), • Equity, • 25 days annual leave, • Solid pension, • And more If you’re interested please apply or send your CV to to apply. Sponsorship isn’t available. Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL |

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: • Build and scale backend services using Java and Spring Boot, • Shape a modern microservices architecture for a high-availability platform, • Deploy and manage services in AWS with Kubernetes (EKS), • Design, implement, and own features end-to-end from discovery to production support, • Advocate for clean code, automated testing, and CI/CD best practices, • Mentor other engineers and contribute to a culture of knowledge-sharing, • Collaborate with cross-functional teams including product, design, and infrastructure, • Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: • Strong backend engineering experience, especially in Java and Spring, • Deep understanding of distributed systems and microservices, • Hands-on experience with AWS, Kubernetes, Docker, and Terraform, • Familiarity with CI/CD pipelines and testing best practices, • Solid SQL and relational database skills, • Ownership mentality, with strong problem-solving skills and attention to detail, • Experience with Node.js or frontend technologies like React, • Familiarity with Grafana, TeamCity, or observability tooling, • Interest or experience in financial services, compliance, or digital banking If you're excited to work in a fast-paced environment where engineers lead innovation - we’d love to hear from you.

Java Developer / Technical Lead London / WFH to £115k Are you a hands-on Java Developer with technical leadership skills? You could be progressing your career in a hands-on leadership role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. What's in it for you: • Salary to £115k + Bonus, • Pension, Private Medical Care, Life Assurance, • Option to buy or sell holiday days, • Wellness benefits and gym subsidy, • Childcare vouchers, • Enhanced paternity leave including shared parental pay and leave, • Employee led LGBTQ+, Women's, Black and Parents & Carers networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture, • Plus a range of other perks Your role: As a Java Developer / Technical Lead you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers and ensure code quality, observability, scalability and security are embedded into high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location / WFH: There's a hybrid model with two days a week work from home, when you are in the office you'll be based in the City with an upbeat team environment, casual dress code and a range of facilities including roof terrace, restaurant and break out areas. About you: • You have strong technical and people leadership skills, • You have advanced experience of building cloud-native, distributed systems using Java and Spring Boot, • You have a strong knowledge of AWS including Amazon EKS, • You have experience with Kafka and event driven architectures, • You're collaborative and pragmatic with great communication skills, you're comfortable working with other teams and business stakeholders Apply now to find out more about this Java Developer / Technical Lead opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior Sales Consultant - West London Salary: £35,000 basic + commission (OTE £65,000-£70,000) Start: ASAP An award-winning residential developer is looking for a confident and experienced Senior Sales Consultant to join one of their flagship regeneration schemes in West London. You'll be joining a well-established team with several new building launches ahead including one due this spring, this is an exciting opportunity for a high-performing sales professional to take ownership of a busy site and continue its success. Key Responsibilities: * Drive sales and manage the full customer journey from enquiry to completion. * Guide and support a junior consultant to ensure strong deal conversion. * Deliver an exceptional customer experience in line with brand standards. * Work collaboratively with the wider team to meet and exceed targets. * Represent the development confidently during launches, events, and viewings. About You: * Minimum 2 years' experience selling new homes (developer or agent background). * Proven off-plan sales experience and a strong track record of achieving targets. * Confident, proactive, and passionate about delivering results. * Able to work weekends on a rolling rota (2-3 per month, with 2 days off together). * Organised and motivated, with excellent communication and presentation skills. This is a great opportunity to join a thriving West London development that continues to attract both domestic and international buyers. If you're a strong closer looking for your next step with a leading developer, we'd love to hear from you.

Staff Engineer – API Platforms About the Role We’re looking for an experienced and forward-thinking Staff Engineer (APIs) to shape the future of our integration and connectivity ecosystem. You’ll lead the evolution of our API strategy, standards, and platform enablement—helping teams design, deliver, and scale modern, secure, and maintainable APIs. This role is ideal for someone who enjoys defining patterns that others build upon. You’ll provide hands-on technical leadership, guide architectural decisions, and drive the adoption of best practices in API lifecycle management, governance, and developer experience. Working across product, platform, and architecture teams, you’ll ensure that APIs form a reliable and reusable foundation for the organisation’s digital platforms. What You’ll Do Technical Strategy & Leadership • Define and evolve the organisation’s API vision, including standards for design, documentation, versioning, security, and lifecycle management., • Establish reusable API design patterns and promote consistency across distributed teams., • Drive adoption of API gateways, management tools, and developer portals (e.g., Apigee, Kong, Azure API Management)., • Ensure APIs meet strong standards for authentication, observability, and scalability., • Contribute to the long-term roadmap for API enablement, developer tooling, and discoverability., • Mentor engineers, championing API craftsmanship, maintainability, and performance across teams. Design & Delivery • Design and build scalable, testable APIs using modern frameworks such as Java/Spring Boot., • Provide technical direction on integration solutions across products, services, and platforms., • Develop reusable assets such as SDKs, templates, shared schemas, and libraries to accelerate delivery., • Implement strong error handling, logging, and monitoring patterns for API reliability., • Lead improvements in automation, documentation, contract validation, and CI/CD integration., • Reduce technical debt and improve API platform resilience through proactive refactoring and optimization. Collaboration & Enablement • Partner with architects, platform engineers, and product teams to align APIs with business goals and technical strategy., • Act as a subject matter expert, supporting design reviews, architecture forums, and internal training initiatives., • Contribute to communities of practice and cross-team initiatives to advance API engineering maturity., • Facilitate knowledge sharing and standardization of integration patterns across engineering groups. Technical Expertise • Extensive experience designing and delivering RESTful APIs using Java and Spring Boot in production environments., • Strong understanding of API design principles, including resource modeling, pagination, and error handling., • Deep knowledge of API versioning, backward compatibility, and lifecycle management., • Familiarity with OpenAPI/Swagger and modern documentation tooling., • Strong grasp of API security practices, including OAuth2, JWT, scopes, and rate limiting., • Solid experience with CI/CD pipelines, Git workflows, and infrastructure-as-code approaches., • Deep testing experience, including unit, integration, contract, and E2E testing., • Experience with API management and gateway platforms (e.g., Apigee, Azure API Management, Kong, or Tyk)., • Familiarity with asynchronous integration (Kafka, RabbitMQ) and event-driven architectures., • Knowledge of containerization and orchestration (Docker, Kubernetes)., • Exposure to modern alternatives such as GraphQL is a plus. How You Work • Strategic Perspective: Balances hands-on delivery with long-term platform scalability and maintainability., • Technical Leadership: Guides teams through architectural design, technical trade-offs, and modern engineering practices., • Collaborative: Partners effectively across disciplines to unify API design and governance approaches., • Clear Communicator: Explains complex concepts simply and builds alignment across technical and business audiences., • Accountable: Takes ownership of engineering quality, platform performance, and reliability outcomes., • Continuous Improver: Actively identifies opportunities to simplify, automate, or enhance the developer experience., • Security-Minded: Designs and promotes APIs that are secure, observable, and resilient by default., • Mentor & Multiplier: Elevates others by sharing knowledge and cultivating best practices across teams. Why This Role Matters APIs are at the core of how digital products and platforms connect, scale, and evolve. As a Staff Engineer, you’ll define the patterns and practices that shape how teams across the organisation build and integrate software. Your work will ensure that the API platform is consistent, discoverable, and built for the future—empowering developers and enabling innovation at scale.

Overview: Looking for a Senior Java Developer with enterprise experience in regulated sectors, able to build robust, scalable applications and leverage the latest in AI/ML integration and tooling. Key Responsibilities: • Design, develop, and maintain enterprise-grade Java applications., • Contribute to architecture, scalability, security, performance, and AI/ML-driven features., • Review code for secure practices and facilitate code quality and AI-based review tools., • Develop backend integrations with AI/ML APIs or embedded models., • Integrate applications with RDBMS/NoSQL databases and messaging systems., • Participate in the full SDLC, including CI/CD, and automate with AI code assistants. Core Technical & AI/ML Skills: • Advanced Java (Java 11/17+), Spring/Spring Boot frameworks., • Microservices (REST, gRPC, event-driven design)., • Enterprise databases (Oracle, PostgreSQL, SQL Server, MongoDB)., • CI/CD tools (Jenkins, GitLab CI, GitHub Actions) and AI-driven productivity boosters (GitHub, • Copilot, Tabnine)., • Knowledge of security standards (OWASP, JWT, OAuth2)., • Familiarity with containerization (Docker, Kubernetes)., • Experience orchestrating ML workflows (backend ingestion, REST endpoint deployment, realtime, • inferencing)., • Automation and optimization with AI—anomaly detection, code review, performance, • enhancement. Soft Skills: • Strong communication and teamwork., • Adherence to rigorous delivery processes and documentation., • Ability to mentor developers and champion AI-enhanced engineering practices., • Commitment to continuous learning and improvement.

Fidessa Developer - Java/Spring - sought by investment bank based in London - Contract - Hybrid.

Java Software Engineer (Product Engineering- Real-time Payments)\n Location: London, Hybrid (1-2 days/week)\n\n A Java Software Engineer is needed for a highly regarded payment solutions company; they are used by major global financial institutions standing out for its low-code, cloud-native real-time payments platform \n\n They’re looking for a Java Developer with a product engineering background to join their team, building highly available, scalable systems that power next-generation payments. \n\n Your Background/ Tech Stack \n Java with Spring \n Reactive programming (AKKA etc)\n Solid understanding of CI/CD pipelines, automation, and Agile delivery practices. \n Experience working with MongoDB or other NoSQL databases. \n\n Play a key role in developing real-time payment processing systems using Java, Spring, and Reactive frameworks. \n Work within an Agile delivery environment, collaborating closely with cross-functional teams. \n Leverage automation, CI/CD pipelines, and DevOps tools to streamline deployments and improve delivery efficiency. \n\n This is a great opportunity to work in a fast-paced, collaborative engineering environment, designing and developing products that sit at the heart of a global payments network. \n\n Software Engineer- Product Engineering- Real-time Payments

Java Software Engineer (Product Engineering- Real-time Payments)\n Location: London, Hybrid (1-2 days/week)\n\n A Java Software Engineer is needed for a highly regarded payment solutions company; they are used by major global financial institutions standing out for its low-code, cloud-native real-time payments platform \n\n They’re looking for a Java Developer with a product engineering background to join their team, building highly available, scalable systems that power next-generation payments. \n\n Your Background/ Tech Stack \n Java with Spring \n Reactive programming (AKKA etc)\n Solid understanding of CI/CD pipelines, automation, and Agile delivery practices. \n Experience working with MongoDB or other NoSQL databases. \n\n Play a key role in developing real-time payment processing systems using Java, Spring, and Reactive frameworks. \n Work within an Agile delivery environment, collaborating closely with cross-functional teams. \n Leverage automation, CI/CD pipelines, and DevOps tools to streamline deployments and improve delivery efficiency. \n\n This is a great opportunity to work in a fast-paced, collaborative engineering environment, designing and developing products that sit at the heart of a global payments network. \n\n Software Engineer- Product Engineering- Real-time Payments

They are looking for a motivated Java Software Developer with experience with: - Java - Spring Boot - Microservices - Containerisation using Docker, Kubernetes - Developing cloud-native applications with AWS, GCP, Azure - SQL, NoSQL and other tools and scripting skills As a Java Software Developer

They are looking for a motivated Java Software Developer with experience with: - Java - Spring Boot - Microservices - Containerisation using Docker, Kubernetes - Developing cloud-native applications with AWS, GCP, Azure - SQL, NoSQL and other tools and scripting skills As a Java Software Developer

Senior Java Developer- London/Hybrid- up to £95k Are you the right applicant for this opportunity Find out by reading through the role overview below. Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an exciting Product roadmap over the coming years. This role is based out of central London on a hybrid approach and looking for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: • Java 11 (moving to Java 17), • Relational Databases- SQL and ORM Tech (JPA, Hibernate), • Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC, • Spring Boot, • AWS, • Microservices, • ML/ Big Data- desirable, • Docker- desirable, • Design and development of low latency software components, • Contribute across the entire SDLC, • write and enhance well structured, testable, scalable and efficient code, • setup and maintain development process tools, • Collaborate in agile development process meetings, stand ups, sprint panning, retrospectives and foster collaboration, • mentor more junior engineers, • collaborate with cross functional teams, • migration from some monolithic architecture to microservices, • migration from java 11 to java 17, • migration to new versions of Vaadin, • brand new lender platform and payment systems for their customers, • Super collaborative, • process light and the Senior Engineers are able to introduce ideas and have autonomy to drive change Salary is up to £95k plus a competitive benefits package which includes 5% matched pension (salary sacrifice), 25 days holiday plus bank holidays, private health care with aviva, income protection, super flexible hours, L&D budget, a modern and state of the art office with lots of socials and an outstanding Engineering Leader who has a history of building high performing teams and growth of individuals. If this sounds like you then please click apply now! Senior Java Developer- London/Hybrid- up to £95k

We are seeking a highly skilled Frontend Senior / Lead Developer to join our dynamic team. Interface with Java Spring Boot-backed microservices, ensuring seamless communication between front-end and backend services in a container-based architecture. Senior Front End / Lead Developer.

LocationBloomsbury Square, London, United Kingdom# Senior Developer – AWS BluAge + Java Spring Boot + Kafka at N Consulting LtdLocationBloomsbury Square, London, United KingdomSalary£400 - £500 /dayJob TypeContractDate PostedOctober 22nd, 2025Apply NowMust-Have Skills:AWS BluAge (L3 certific

Senior Developer – AWS BluAge / Java Spring Boot / Kafka. We are looking for a highly skilled Senior Developer with deep expertise in AWS BluAge, Java Spring Boot, and Apache Kafka. AWS BluAge (L3 certification required).