26 to 50 of 3,086 Java Jobs in the UK

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 ...

design, develop, and support scalable cloud-native applications that power Workforce Management (WFM), Customer Experience (CX), and operational business processes. You will use Java and Spring Boot to develop scalable backend services, React with TypeScript to create responsive user experiences, and Node.js where appropriate for supporting components. The role suits … with Workforce Management (WFM), Customer Experience (CX), or contact center solutions is an advantage Responsibilities: Design, develop, test, and maintain scalable backend services using Java, Spring Boot, and established software engineering practices. Build modern web applications using React, TypeScript, reusable components, responsive layouts, and accessible interaction patterns. Develop and consume ...

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. ...

about developing your career, while helping others along the way, come join the Broadridge team. We are seeking an exceptional Principal Engineer – Full Stack Java to provide technical leadership and architectural direction for client-facing solutions supporting the implementation and ongoing evolution of the Gloss product. In this role … support, and the use of AI-assisted engineering tools. Requirements 12+ years of professional software development experience, including substantial hands-on experience in Core Java, Spring, and Spring Boot. Proven experience operating as a Principal Engineer, Solution Architect, Lead Architect, or senior technical leader with responsibility for technical strategy, platform ...

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/ ...

Java Software Engineer/£70,000–£90,000/Fully Remote | DV Clearance Eligibility Required Build innovative software. Solve complex challenges. Make a real impact. TwinStream is looking for an experienced Java Software Engineer to join our agile development team, building components for a sophisticated cross-domain security system. This … outstanding client service. We've grown to more than 100 people across the UK, delivering innovative solutions in a collaborative and supportive environment. The Java Software Engineer Role You'll be involved in everything from understanding requirements and designing solutions to coding, testing, deployment and ongoing support. We're looking ...

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 ...

role We are looking for a Senior Java Developer to help design and deliver a platform built around Java microservices. You will take ownership of backend services, contribute to architecture decisions and work closely with product, QA and DevOps colleagues to turn business requirements into reliable software. This role suits … independently. The aim is to shorten release cycles, improve resilience and support growing transaction volumes without disrupting existing users. The proposed stack centres on Java 21 and Spring Boot, with REST APIs for synchronous integration and Apache Kafka for asynchronous events. Each service will own its data, using PostgreSQL where ...

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 ...

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 ...

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. ...

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 ...

artificial intelligence, machine learning, mobile, etc.) In-depth knowledge of the financial services industry and its technology systems Practical cloud-native experience Experience with Java, Spring Boot, Spring MVC, and Spring Data in a production environment Demonstrated ability to design and deliver microservices with high reliability, clear APIs, and strong … production-ready services and tooling Experience with Starlark for build and automation workflows, including writing and maintaining Starlark scripts and rules Working knowledge of Java and Groovy for integrations and supporting components in mixed-language environments Comfortable with scripting (Shell/Python as needed), debugging, and collaborating across code reviews ...

Global Banking Technology team, you will own end-to-end delivery of secure, full stack features — turning requirements into solid designs, shipping clean Java code, and improving services built on microservices, Kafka/event-driven patterns, and CI/CD pipelines. You will troubleshoot complex production issues, drive performance … proficient applied experience Demonstrated ownership of system design and delivery for production services, including testing strategy, release execution, and operational support Strong proficiency in Java and common frameworks such as Spring Boot, Hibernate, JPA, and Spring Kafka, including performance tuning and troubleshooting patterns Working knowledge of microservices and Kafka/ ...

Senior Software Engineer, Full Stack, Java Belfast, Northern Ireland, United Kingdom Join TRG Screen: Building World-Class Teams. One Expert at a Time. Are you ready to be part of a dynamic team at the forefront of subscription spend management innovation? At TRG Screen, we're not just redefining … most respected private equity firms. Position: Senior Software Engineer, Full Stack Location: Belfast The Role We are seeking a Senior Full Stack Software Engineer (Java) to join TRG Screen’s engineering team. You will design, develop, and evolve backend services and frontend applications across our enterprise product suite — a hands ...

passionate about developing your career, while helping others along the way, come join the Broadridge team.We are seeking an exceptional **Principal Engineer – Full Stack Java** to provide technical leadership and architectural direction for client-facing solutions supporting the implementation and ongoing evolution of the Gloss product. In this role … support, and the use of AI-assisted engineering tools. **Requirements** * 12+ years of professional software development experience, including substantial hands-on experience in Core Java, Spring, and Spring Boot.* Proven experience operating as a Principal Engineer, Solution Architect, Lead Architect, or senior technical leader with responsibility for technical strategy, platform ...

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-drivenorserverless architectures. Demonstrated ...

hybrid. Newcastle is preferred, with London, Leeds, Manchester, Blackpool and Sheffield also possible. Key Responsibilities: Build and maintain full-stack digital services using Node.js, Java (Spring Boot) and Angular Develop and evolve UI components towards MVP and production-ready user journeys Design and build APIs, microservices and event-driven systems … teams, and support defects and BAU as needed What You Will Ideally Bring: Strong full-stack development: Node.js (JavaScript/TypeScript, Express), Angular, plus Java (Spring Boot) AWS serverless: Lambda, API Gateway (private), SQS, S3, KMS, CloudWatch, X-Ray NoSQL databases: MongoDB or Amazon DocumentDB APIs, microservices and event-driven ...

learning - gain hands-on experience with cloud platforms, AI technologies, middleware systems, and modern engineering practices \n \n Core Technologies \n \n Python \n Java \n Go \n AI - LLM Frameworks (LangGraph, LangChain, Agent Frameworks) \n AWS - GCP - Azure \n Kubernetes - Docker \n Terraform - Ansible \n Jenkins \n Prometheus - Grafana … Build Production-Grade Software \n \n Design and develop scalable automation platforms and reliability tooling \n Write clean, maintainable code in Python, Java, or Go \n Build systems for deployment orchestration, testing, validation, and rollback \n Develop self-service platforms that reduce operational toil and improve engineering productivity ...

that you need Essential Experience Extensive experience in Kotlin and the full development lifecycle delivering user-centred digital solutions (with a strong foundation in Java/JVM ecosystem). Proven track record of leading a delivery team to deliver high-quality, robust, and scalable solutions. Expertise in building back … e.g., Angular, React, and TypeScript). Desirable Experience Previous experience working on GOV/NHS projects or in a consultancy environment. Experience migrating legacy Java codebases to idiomatic Kotlin. Experience with asynchronous messaging systems (e.g., Kafka) and Kotlin Coroutines/Flow for reactive programming. Familiarity with Kotlin-native frameworks (e.g. ...

Scrum, Kanban, DevOps, CI/CD, Automation First, BDD/TDD, DORA. Understanding of, and advocacy for, Agentic AI/Context Engineering Desirable: Engineering : Java, Vue, Angular, .Net Core Tools/Technologies/Infra : Docker, Kubernetes, Kafka, Azure, GCP, NoSQL, DNS Design : Serverless, cloud-native/PaaS, event driven ...