Salary: £40,000 - 70,000 per year Requirements: Practical experience in Java, or significant experience in a comparable modern programming language with a strong willingness to learn Kotlin quickly. Proven experience in at least two or three of the following areas: API development, SQL and relational databases, HTML, and JavaScript. Substantial hands-on experience working with microservice architectures, including designing, building and maintaining microservices. Strong technical and analytical troubleshooting skills, with the ability to diagnose and resolve complex issues in distributed systems. Experience working in an agile environment, including the use of agile methodologies and collaboration practices. Experience using standard developer collaboration tools such as GitHub or Bitbucket for version control, and Jira and Confluence or similar tools for work tracking and documentation. Excellent attention to detail and strong writing skills, producing clear, maintainable and well-documented code. Proactive working style, taking initiative to move work forward and resolve blockers without waiting for direction. Strong English communication skills, both written and spoken, enabling effective collaboration with technical and non-technical stakeholders. Good working knowledge of cloud technologies such as AWS, Azure and Google Cloud Platform (GCP). Experience with Kubernetes for container orchestration in a microservices environment. Familiarity with Spring Boot or similar frameworks for building Java or Kotlin-based microservices. Experience working with CI/CD pipelines and modern DevOps practices. Comfort using issue tracking and documentation tools such as Jira and Confluence. Ability to work effectively with diverse teams across different locations and time zones. Strong interpersonal skills, with the ability to build positive working relationships and communicate clearly with stakeholders. Responsibilities: Collaborate closely with developers, testers and colleagues across the wider organisation to build, enhance and run high-quality products. Design, develop and implement back-end features according to the product backlog and priorities, with a small amount of simple front-end work where required. Work on web applications that use a straightforward UI framework, focusing primarily on robust back-end and API development rather than complex front-end engineering. Contribute to the design and launch of new features in partnership with the rest of the engineering team, ensuring solutions are scalable, maintainable and secure. Build, maintain and optimise APIs and microservices that underpin the Developer Experience platform. Engage proactively with internal customers to understand their needs, resolve issues and respond to feature requests in a timely and professional manner. Operate within an agile CI/CD environment to deliver frequent, high-quality iterations at a sustained and predictable velocity. Participate actively in peer code reviews, providing constructive feedback and helping to maintain high coding standards. Create and maintain automated test scripts, and contribute to testing colleagues code to ensure reliability and quality. Use standard developer collaboration tools such as Git-based repositories and agile tracking platforms to manage work, documentation and collaboration effectively. Technologies: API AWS Azure BitBucket CI/CD Cloud Confluence DevOps GCP Git GitHub JIRA Java JavaScript Kotlin Kubernetes Network REST SQL Spring Spring Boot Web microservices UX UI Design Security More: We are a global organisation that supports complex, large-scale financial services for corporates, governments, and institutions around the world. Our business leverages an extensive international network to connect emerging and established markets, offering exposure to innovative products and services across advisory, financing, prime services, research, securities services, trading and sales, and transaction banking. You will work in a modern, agile engineering culture that values collaboration, continuous improvement, and technical excellence, with opportunities to contribute to impactful platforms and to develop your skills in cloud, microservices, and contemporary development practices. Our office is located in Sheffield, providing a professional environment that supports focused development work and cross-functional collaboration. last updated 16 week of 2026