14 java developer jobs found in London

Java Developer - Java, Mulesoft, Springboot £market rate (Outside IR35) Glasgow/5 days a week onsite 6 months initially My client is looking for for Java Developers with strong Back End and integration experience to support the development of scalable, API-driven systems. This role will focus on Back End services, microservices architecture, and integration using MuleSoft, making it ideal for developers who enjoy working on complex system integrations and enterprise platforms. Key Requirements Strong Java (8+) with Spring Boot/Spring Experience with microservices & REST APIs Hands-on MuleSoft (Mule 4) - Anypoint Platform, API development, JSON/XML Understanding of integration patterns & architecture Experience with CI/CD and Git Knowledge of TDD & automated testing Agile/Scrum experience Strong collaboration skills Nice to Have Full-stack or Front End exposure (JSF) AWS/cloud experience Tools: Gradle, Ansible, GoCD Databases: Oracle, MongoDB...

Java Developer - Java, React, Springboot £market rate (Outside IR35) Glasgow/5 days a week onsite 6 months initially My client is seeking experienced Java Developers to join a dynamic delivery team building modern, scalable applications. This role will suit candidates with strong full-stack capability, combining Back End Java development with modern Front End technologies such as React. You will work across microservices architecture, contributing to both design and delivery in an Agile environment. Key requirements: Strong Java (8+), Spring Boot & Spring MVC experience Experience building REST APIs & microservices Full-stack capability: React, JavaScript, HTML5, CSS/SCSS Knowledge of JEE (JSF, JPA, Servlets, JDBC) Experience with CI/CD (Jenkins, Maven) and Git Agile/Scrum environment experience Familiar with IntelliJ (or similar IDEs) Understanding of TDD & automated testing Strong collaboration across product, QA & engineering teams...

Java Developer - Java, React, Springboot £market rate (Outside IR35) Glasgow / 5 days a week onsite 6 months initially My client is seeking experienced Java Developers to join a dynamic delivery team building modern, scalable applications. This role will suit candidates with strong full-stack capability, combining backend Java development with modern front-end technologies such as React. You will work across microservices architecture, contributing to both design and delivery in an Agile environment. Key requirements: Strong Java (8+), Spring Boot & Spring MVC experience Experience building REST APIs & microservices Full-stack capability: React, JavaScript, HTML5, CSS/SCSS Knowledge of JEE (JSF, JPA, Servlets, JDBC) Experience with CI/CD (Jenkins, Maven) and Git Agile/Scrum environment experience Familiar with IntelliJ (or similar IDEs) Understanding of TDD & automated testing Strong collaboration...

Java Developer - Java, Mulesoft, Springboot £market rate (Outside IR35) Glasgow / 5 days a week onsite 6 months initially My client is looking for for Java Developers with strong backend and integration experience to support the development of scalable, API-driven systems. This role will focus on backend services, microservices architecture, and integration using MuleSoft, making it ideal for developers who enjoy working on complex system integrations and enterprise platforms. Key Requirements Strong Java (8+) with Spring Boot/Spring Experience with microservices & REST APIs Hands-on MuleSoft (Mule 4) - Anypoint Platform, API development, JSON/XML Understanding of integration patterns & architecture Experience with CI/CD and Git Knowledge of TDD & automated testing Agile/Scrum experience Strong collaboration skills Nice to Have Full-stack or front-end exposure (JSF) AWS/cloud experience...

Java Developer - Java, React, Springboot £market rate (Outside IR35) Glasgow/5 days a week onsite 6 months initially My client is seeking experienced Java Developers to join a dynamic delivery team building modern, scalable applications. This role will suit candidates with strong full-stack capability, combining Back End Java development with modern Front End technologies such as React. You will work across microservices architecture, contributing to both design and delivery in an Agile environment. Key requirements: Strong Java (8+), Spring Boot & Spring MVC experience Experience building REST APIs & microservices Full-stack capability: React, JavaScript, HTML5, CSS/SCSS Knowledge of JEE (JSF, JPA, Servlets, JDBC) Experience with CI/CD (Jenkins, Maven) and Git Agile/Scrum environment experience Familiar with IntelliJ (or similar IDEs) Understanding of TDD & automated testing Strong collaboration across product, QA & engineering teams...

Java Developer - Java, Mulesoft, Springboot £market rate (Outside IR35) Glasgow/5 days a week onsite 6 months initially My client is looking for for Java Developers with strong Back End and integration experience to support the development of scalable, API-driven systems. This role will focus on Back End services, microservices architecture, and integration using MuleSoft, making it ideal for developers who enjoy working on complex system integrations and enterprise platforms. Key Requirements Strong Java (8+) with Spring Boot/Spring Experience with microservices & REST APIs Hands-on MuleSoft (Mule 4) - Anypoint Platform, API development, JSON/XML Understanding of integration patterns & architecture Experience with CI/CD and Git Knowledge of TDD & automated testing Agile/Scrum experience Strong collaboration skills Nice to Have Full-stack or Front End exposure (JSF) AWS/cloud experience Tools: Gradle, Ansible, GoCD Databases: Oracle, MongoDB...

Java Developer - Investment Banking (Contract) Location: London (Hybrid) Contract Length: 6 Months Day Rate: Competitive (Inside/Outside IR35 dependent on engagement) Start Date: ASAP Overview We are partnering with a leading investment bank looking to onboard an experienced Java Developer to join a front office trading technology team on an initial 6-month contract. The role focuses on building and enhancing trade processing systems within a fast-paced, high-performance environment. Key Responsibilities • Develop and enhance high-performance trade processing systems • Work closely with Front Office, Trading, and Quant teams to deliver robust technical solutions • Design and build scalable, event-driven architectures using Kafka • Contribute to the development and optimisation of Trade Runner frameworks • Build containerised microservices deployed via Kubernetes • Ensure system reliability and performance in a...

Documentum Java Solution Architect Location: 5 days onsite in Basingstoke Length: Until end of May 2027 Rate: £600 to £700 per day via umbrella ***Candidates MUST hold Active DV Clearance to be eligible to be considered for the opportunity*** Your Role will involve: As a Documentum Java Solution Architect, you will be a team player working closely with other Documentum Java developers and technical subject matter experts as part of a SAFE Agile team. This role is in a fast-paced environment where you must be proactive, adaptable and able to re-prioritise according to the Customer’s needs. You will be responsible for the design, creation, testing and documenting of new and amended Java programs in accordance with agreed standards. You must be happy to provide application maintenance and support services, either directly to users of the applications or to service delivery functions. Key Accountabilities Must be able to work under the direction of the...

Job Information Date Opened 27/05/2026 Job Type Contract Work Experience 5+ years Industry Government & Public Sector Salary 500 outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter. Role Overview We are seeking a highly experienced Senior Software Developer with proven expertise in delivering services aligned with UK...

Full job description Job Information Date Opened 27/05/2026 Job Type Contract Work Experience 5+ years Industry Government & Public Sector Salary 500 outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter. Role Overview We are seeking a highly experienced Senior...

Full-Stack Developer (React Native/Java) London Hybrid FinTech Outside IR35 React, React Native, Java, AWS £450-500/day A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into digital platforms and infrastructure, they are looking for experienced Full-Stack click apply for full job details

Full Stack Developer - Outside IR35 - Contract - SC ESSENTIAL A rare opportunity to join our fast-growing technology company selling high-value software development services. You will be working within a Government department as part of an existing team to support the rollout of a new Database. Must have Kotlin (or, less preferably, Java) Spring GDS design system Nice to have AWS Terraform Thymeleaf Your approach You are passionate about delivering great technical quality, whether building greenfield solutions or improving the quality of legacy systems You hold your work to a high standard, with careful attention to visual quality, accessibility, and performance. You are excited by helping stakeholders achieve their goals through use of technology You enjoy collaborating with designers and product owners to innovate and devise great technical solutions to meet user needs You are comfortable with ambiguity and fast-paced, changing...

Java / Microservices / API design / LLMs / AI / Claude Code / Copilot Company:  Financial Services Location:  London - Hybrid 3 days per week Rate:  £575 IR35:  Outside CORE BANKING AND TRADING SYSTEMS EXPERIENCE ESSENTIAL Join a newly formed Service Modernisation & AI team driving AI-first software development in financial services. This is a hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You’ll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance and reliability Build AI-powered tooling, including MCP servers and AI-assisted CI/CD pipelines Demonstrate how AI transforms developer productivity and code quality What We’re Looking For 6+ years’ backend engineering experience (Java)...

Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens.   We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter. Job Summary We are looking for an experienced Senior Full Stack Developer with expertise in enterprise web application development, WebCAF framework, and AI chatbot integration/support. The ideal candidate will be responsible for designing, developing, and maintaining scalable applications while contributing to AI-driven conversational solutions and digital transformation initiatives. The candidate should possess strong frontend and backend development...