containerized environments) and build tools using Jenkins CI/CD, Gradle, Github, Nexus and SonarQube and other code coverage tools preferred. Experience testing and implementing API service architecture with Spring Boot. 3+ years of Hands-on Test Automation required. GCS is acting as an Employment Business in relation to this vacancy. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Meritus Talent
engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/SOAP). Active SC clearance is essential. Strong background in complex or high-pressure software development environments. Ability More ❯
/12/2025 Work setup: 3 days onsite Rate : £322/hr on umbrella Role Description: Have experience working with Java 17 or later Have experience working in Spring ecosystem including Web, Data, JPA, Messaging Have experience working with REST endpoints Have experience working with Docker, Helm, OCP Have experience working or Knows AWS fundamental and is aware More ❯
Milton Keynes, Buckinghamshire, United Kingdom Hybrid / WFH Options
Experis
Build responsive user interfaces using HTML, CSS, JavaScript, TypeScript, and React. Ensure cross-browser compatibility and optimised user experience. Back-End Development Develop APIs and microservices using Java and Spring Boot. Implement server-side logic, data models, and integration points. Database & DevOps Design and maintain PostgreSQL/MySQL databases and write efficient queries. Set up and maintain CI/… to maintain quality and consistency. Security & Documentation Implement authentication, authorisation, and other security best practices. Maintain internal API and code documentation. Essential Skills Strong experience with React, TypeScript, Java, Spring Boot, and RESTful API development. Proficient with SQL databases and CI/CD tools. Hands-on experience with cloud platforms (AWS, Azure, or GCP). Solid understanding of software More ❯
a week in the office, mandatory on Thursdays) Experience: Minimum 8-10 years Technical Skills: Proficiency in Java 8 (transitioning to Java 17) Retail banking experince Python Experience with Spring Boot 2.4 and above Knowledge of Continuous Integration Apigee Java Testing API experience If all the above skills match your profile, please don't hesitate to apply! Carbon60, Lorien More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Noir
Java Developer - Financial Technology - London/Hybrid (INSIDE IR35) (Key skills: Java, Spring Boot, Kubernetes, AWS EKS, Amazon Redshift, PostgreSQL, RESTful APIs, CI/CD, Microservices, iOS/Android Native, Agile, Financial Services) Are you a highly skilled Java Developer with a passion for building scalable, high-performance financial systems? Do you enjoy working with cutting-edge technologies across … is seeking a Java Developer to play a key role in designing, developing, and deploying next-generation financial applications. You will work on complex, high-availability systems built using Spring Boot , deployed on AWS EKS/Kubernetes , and integrated with modern mobile and analytics platforms. As part of a collaborative, Agile development team, you will be responsible for building … and Android engineers to ensure seamless end-to-end integration, supporting mobile-first financial products that reach thousands of users daily. To succeed, you'll need strong Java and Spring Boot experience, solid understanding of Kubernetes and AWS services, and hands-on database development with SQL-based systems. Familiarity with mobile integrations (iOS/Android native), RESTful API design More ❯
Fidessa Developer - Java/Spring - sought by investment bank based in London - Contract - Hybrid *inside IR35* Key Responsibilities Develop and customise the Fidessa cash equities order management systems for US and Canadian markets. Translate business requirements into technical solutions using Fidessa and Java. Collaborate with global teams to deliver high-quality solutions. Provide mentorship to new team members and … issues as needed. Essential Skills & Experience 5+ years of hands-on development experience with the Fidessa trading platform . Strong understanding of equities trading . Proficiency in Java (including Springframework) and Python . Excellent interpersonal, communication, and organisational skills. Desirable Skills Knowledge of other asset classes in Capital Markets. Experience with tools such as GitHub, Maven, Jenkins, Nexus More ❯