26 to 50 of 4,037 Java Jobs in the UK

Backend Software Engineer (Java) | Payments/Financial services We are partnering with a leading technology-driven organisation operating within the Financial Services, FinTech and Payments sector to hire several experienced Senior Backend Software Engineers . This is an opportunity to join a high-performing engineering team responsible for building … backend expertise remains the highest priority , we are also keen to hear from engineers with full-stack experience . Candidates with a combination of: Java backend development; and React.js frontend development will be considered, particularly where they have strong backend credentials and experience delivering end-to-end solutions. What ...

## Senior Fullstack Developer — Java or Kotlin, React and TypeScriptApplylocations: London: Manchestertime type: Full timeposted on: Posted Todayjob requisition id: JR100892Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in our DNA. … high-performing engineering squad, building and operating business-critical digital services.This is a backend-led fullstack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services, APIs and event-driven workflows. You will also contribute to modern ...

## Senior Fullstack Developer — Java or Kotlin, React and TypeScriptApplylocations: London: Manchestertime type: Full timeposted on: Posted Todayjob requisition id: JR100892Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in our DNA. … high-performing engineering squad, building and operating business-critical digital services.This is a backend-led fullstack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services, APIs and event-driven workflows. You will also contribute to modern ...

delivering high-quality solutions. About the RoleAs a Senior Software Engineer, you will design, develop, and deliver high-quality, scalable software solutions using modern Java technologies and cloud-native practices. You will work closely with Product, UX, QA, and engineering teams to build robust applications, enhance customer experiences, and contribute … leverage modern development tools, including AI-assisted technologies, while mentoring other engineers and continuously improving engineering practices. ResponsibilitiesDesign, develop, and deliver scalable, high-performance Java-based applications aligned with business objectives. Build and enhance application features to support evolving product and customer needs. Collaborate with Product, UX, QA, and technical ...

contributing to discovery-phase builds while ensuring performance, security, and usability are embedded from the outset. Key Responsibilities Design, develop, and test applications using Java/Spring Boot, Python, TypeScript, and Angular. (mix of FE and BE) Build and consume RESTful APIs and integrate with back-end microservices. Develop prototype … discovery outcomes. Support integration of front-end components with APIs and event-driven back-end systems. Essential Skills & Experience Solid hands-on experience with Java/Spring Boot and TypeScript/Angular in production or prototype environments. Working knowledge of Python for API or integration scripting. Strong understanding of Azure ...

public and private sector, delivering solutions where quality, scalability, and reliability are critical. About the Role We’re hiring multiple Senior Full Stack Engineers (Java/TypeScript) to join a growing Software Engineering practice supporting a major modernisation and AI-enabled transformation programme. This is a hands-on, client-facing … environments and influencing how software is designed and delivered. You will bring: Strong experience with TypeScript and modern Frontend development Strong backend experience with Java (Spring Boot) A solid grounding in Domain Driven Design (DDD) Experience working with microservices architectures Full-stack capability across UI, API, and data layers Experience ...

Senior Java Developer Business Unit: FTSE Russell – Index Platform Company: London Stock Exchange Group (LSEG) About Us LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services … everyone can grow, develop and fulfil your potential with meaningful careers. About the Role We are seeking a highly skilled and hands‐on Senior Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell ...

left testing using tools like JUnit, Cucumber, Gherkin, PACT, and Test Containers.* Working knowledge of event/message brokers such as Kafka and MQ.Advanced Java* Strong experience in Object-Oriented Programming (OOP).* Advanced knowledge of Java 17+ features and practical experience with Spring Boot.* Skilled in developing RESTful services … including REST design principles, Swagger/OpenAPI, and Spring REST MVC.* Proficient in building and delivering enterprise-grade Java applications.* Hands-on experience with data structures, algorithms, concurrency, and multi-threading.Database Management* Strong SQL knowledge with experience in relational databases such as Postgres.* Working knowledge of object storage solutions, e.g. ...

Test Containers. Working knowledge of event/message brokers such as Kafka and MQ.Advanced JavaStrong experience in Object-Oriented Programming (OOP).Advanced knowledge of Java 17+ features and practical experience with Spring Boot. Skilled in developing RESTful services, including REST design principles, Swagger/OpenAPI, and Spring REST MVC. Proficient … building and delivering enterprise-grade Java applications. Hands-on experience with data structures, algorithms, concurrency, and multi-threading. Database ManagementStrong SQL knowledge with experience in relational databases such as Postgres. Working knowledge of object storage solutions, e.g., AWS S3.Familiarity with database version control tools like Flyway and Liquibase. Cloud ArchitectureExperience ...

focus on application design and development. Experience with AI/ML model integration, Prompt engineering, LLM APIs (OpenAI, Bedrock) and Generative AI Advanced in Java and Python Strong experience with cloud platforms like AWS, Azure, or Google Cloud Platform. Experience building RESTful APIs and working with event-driven or serverless ...

responsive user interfaces, production support, and engineering best practice. Key ResponsibilitiesLead the design, development, and delivery of backend services and platform components using Java 8+/Spring Boot and Python/FastAPI. Build, enhance, and operate event-driven, real-time data pipelines using Kafka and related streaming technologies. Provide deep … technical expertise in distributed systems, data architecture, and scalable platform design. Design, implement, and maintain Java-based APIs and microservices, including REST, OpenAPI, GraphQL, and gRPC services. Work with modern data technologies including PostgreSQL, MongoDB, and Amazon Redshift. Deliver reliable, performant, and responsive user interfaces aligned to UX designs, using ...

London-based trading company is looking for an experienced Java Engineer to join their technology team on an initial 6-month contract. This role is well suited to a backend-focused engineer who enjoys building robust, scalable Java services using modern frameworks, working closely with product, trading, and engineering teams. … Role Designing and developing backend services using Java and Spring Boot Building and maintaining RESTful APIs and event-driven services Writing clean, testable, and well-documented code Collaborating with stakeholders to deliver new features and system improvements Supporting and enhancing existing trading and risk platforms Participating in code reviews ...

Title: Java Developer Rate: £525 per day inside ir35 Location: Remote Contract: 6 months rolling We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work across Java, Spring … REST APIs and microservices, contributing to the full development lifecycle from design and development through to testing, deployment and ongoing optimisation. Strong experience with Java and Spring Boot is essential, alongside solid SQL/database knowledge and experience working with Git, Maven or Gradle. Exposure to AWS/Azure/ ...

Senior Java Developer Location: UK Remote/Hybrid Contract: Long-Term Contract Rate: Competitive Client: Leading Enterprise Technology Programme The Role We are looking for an experienced Java Developer to join a high-profile agile development team delivering modern cloud-native applications within a large-scale enterprise environment. You will … platforms, working across the full software development lifecycle within a collaborative Agile team. This is an excellent opportunity to work with modern technologies including Java, Spring Boot, Kafka, MongoDB, AWS and Kubernetes while contributing to mission-critical applications. Essential Skills Strong commercial experience with Java Extensive experience with Spring Boot ...

Days Onsite) | Permanent Opportunity Following Initial Contract | SC Eligibility Required A leading technology consultancy is expanding its engineering capability and is seeking experienced Senior Java Engineers to help deliver complex enterprise platforms and large-scale digital transformation programmes. This is an opportunity to take ownership of technical delivery, influence engineering … standards and mentor other developers while remaining hands‐on with modern Java engineering. Following the initial 12-month FTC , there is a strong expectation that successful candidates will move into a permanent position. Key Responsibilities Designing and developing large-scale Java solutions. Building and maintaining Spring Boot Microservices. Working with ...

Senior Java Architect - Payments Location: London (Hybrid) Contract: 6 Months Initial Pay Rate: £550-£600 - Outside IR35 About the Role We're supporting a global financial services organisation undergoing a significant banking transformation programme. As part of this journey, they are building next-generation banking capabilities and modernising core platforms … that support cross-border payments, settlement, reconciliation, and banking operations. We are seeking an experienced Java Engineering Architect to provide technical leadership across backend engineering, architecture, and delivery. This role will play a key part in shaping modern banking platforms built on cloud-native technologies, microservices, event-driven architecture ...

Candidates should be strong software engineers who thrive within established product teams and delivery frameworks. Key Responsibilities Design and develop cloud-native applications using Java and/or Python. Build and enhance microservices, APIs, and event-driven solutions. Deploy and manage containerized workloads on Kubernetes. Implement CI/CD pipelines … enabled application development, including LLM and RAG integrations where applicable. Required Skills 10+ years of software engineering experience. Strong hands-on expertise in Java and/or Python. Kubernetes, Docker, Microservices, and REST APIs. CI/CD, DevOps, and Agile delivery practices. Preferred Skills Experience with LLM integration ...

Senior Backend Engineer (Java) Location: Manchester, UK (Hybrid - 2 days/week on-site) Role Type: Contract About the Role We are seeking a Senior Backend Engineer to design, build, and scale resilient, high-performance distributed systems. This role is ideal for a pragmatic developer who thrives in fast-paced … best practices. System Operations & Reliability: Troubleshoot complex production issues, conduct root-cause analysis, and enhance observability, logging, and performance. Delivery & Quality: Write clean, testable Java code, conduct constructive code reviews, and drive automated testing (unit, integration, and E2E). DevOps & Collaboration: Partner with infrastructure teams to optimize CI/ ...

Senior Software Engineer - Java, Node.js & AWS Edinburgh, Leeds, Manchester or London Build software that matters. Shape the future of engineering. We're looking for an experienced Senior Software Engineer - Java, Node.js & AWS who is passionate about building scalable, high-quality software and helping teams grow. This is more than … assumptions, collaborating openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Software Engineer - Java, Node.js & AWS, you will: Design, build and maintain scalable, secure and resilient backend systems using modern Java, Node.js and the Spring ecosystem. Lead technical design ...

Senior Software Engineer - Java, Node.js & AWS Edinburgh, Leeds, Manchester or London Build software that matters. Shape the future of engineering. We're looking for an experienced Senior Software Engineer - Java, Node.js & AWS who is passionate about building scalable, high-quality software and helping teams grow. This is more than … assumptions, collaborating openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Software Engineer - Java, Node.js & AWS, you will: Design, build and maintain scalable, secure and resilient backend systems using modern Java, Node.js and the Spring ecosystem. Lead technical design ...

Senior Software Engineer - Java, Node.js & AWS Edinburgh, Leeds, Manchester or London Build software that matters. Shape the future of engineering. We're looking for an experienced Senior Software Engineer - Java, Node.js & AWS who is passionate about building scalable, high-quality software and helping teams grow. This is more than … assumptions, collaborating openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Software Engineer - Java, Node.js & AWS, you will: Design, build and maintain scalable, secure and resilient backend systems using modern Java, Node.js and the Spring ecosystem. Lead technical design ...

Senior Software Engineer - Java, Node.js & AWS Edinburgh, Leeds, Manchester or London Build software that matters. Shape the future of engineering. We're looking for an experienced Senior Software Engineer - Java, Node.js & AWS who is passionate about building scalable, high-quality software and helping teams grow. This is more than … assumptions, collaborating openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Software Engineer - Java, Node.js & AWS, you will: Design, build and maintain scalable, secure and resilient backend systems using modern Java, Node.js and the Spring ecosystem. Lead technical design ...

will help build the automation platforms that keep the firm running securely, reliably, and at scale. This role is ideal for an experienced Java and Go engineer who enjoys leading technical design, developing resilient backend services and APIs, and delivering enterprise automation capabilities across products such as AaaS, Ansible Automation … Platform, AutoM8, event-driven automation, and AI-enabled service management. You will work with technologies including Java, Spring Boot, Go, Kubernetes, Terraform, Ansible, PostgreSQL, CockroachDB, Redis, CI/CD tooling, public cloud services, and observability platforms to solve complex engineering challenges and improve operational stability across critical infrastructure services. ...

enrichment, correlation, and root cause analysis to the firm. This is a brilliant role for an engineer with a full stack (but backend-dominant) Java skillset; who brings deep technical expertise to raise the bar for the teams around them. Job Responsibilities Execute creative software solutions across design, development … routine approaches to build solutions and break down complex technical problems. Lead the migration from a legacy monolith to a modern, containerized microservices architecture (Java/Spring Boot; UI modernization as needed), including decomposition strategy, domain modeling, and data migration planning. Re‐architect existing infrastructure to achieve high scalability, reliability ...

user-centred design, agile delivery, and scalable digital services that genuinely make a difference. About the Role We are looking for an experienced Java Developer to join our engineering team and contribute to the development of secure, scalable, and high-quality software solutions. You will work across application development, automated … cloud services, CI/CD, and containerised environments as part of an Agile delivery team. Key Responsibilities Design, develop, and maintain robust applications using Java and Spring Boot . Develop and integrate event-driven solutions using Kafka . Work with MongoDB for data storage and management. Write clean, maintainable ...