26 to 50 of 3,652 Java Jobs in the UK

supports your development and celebrates your contributions. Together, we're building solutions that empower both our customers and our developers. Job Summary: As a Java Software Engineer in the Payments Developer Portal team, you will design, develop, and maintain backend services that power our public-facing web portal. You will … Collaborate with technical teams, product partners, and stakeholders to deliver customer-facing capabilities and internal enablement Design, develop, and maintain secure, high-quality production Java services (APIs and supporting components), reviewing and debugging code Contribute to decisions influencing product design, API design, application functionality, and technical operations Build and integrate ...

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 ...

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. ...

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

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 ...

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 ...

Month FTC Newcastle | (Hybrid - 3 Days Onsite) | Permanent Opportunity Following Initial Contract | SC Eligibility Required We're looking for a talented Java Engineer to join a leading technology consultancy delivering large-scale digital transformation programmes for high-profile clients. This is an excellent opportunity to work on modern cloud-native … applications, enterprise integrations and microservices architectures using the latest Java technologies within collaborative Agile engineering teams. The position is offered as a 12-month fixed-term contract , with a strong intention to move successful candidates into a permanent position following the initial term. What You'll Be Doing Developing Java ...

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 ...

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 ...

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. ...

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.As ...

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/ ...

technical excellence Contributing to architectural decisions, reducing technical debt and improving platform sustainability Who we're looking for: Strong commercial experience developing software using Java and JavaScript/TypeScript Experience building and supporting RESTful microservices in Spring Boot, Node.js or similar frameworks Solid understanding of cloud technologies, ideally Azure, alongside ...

Title: Java Kafka EngineerLocation: NorthamptonAbout the Job you are considering:Join the Financial Services Business Unit within Capgemini’s Cloud & Custom Applications (C&CA) practice, where we Consult with Purpose, Continuously Evolve, and Architect Tomorrow. As a Backend Engineer, you will help design and deliver resilient, scalable, and secure digital … assisted practices where appropriate to improve delivery effectiveness and customer value.Must-Have SkillsExtensive hands-on experience delivering enterprise-scale backend application solutions.Strong expertise in Java/J2EE development, object-oriented design principles, and enterprise application architecture.Proven experience designing and building RESTful services and microservices-based solutions.Strong experience with Java ...