> Markdown version of [/jobs/ext/2817884-senior-java-developer](https://www.wearedevelopers.com/jobs/ext/2817884-senior-java-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - **Company:** JPMorgan Chase & Co. - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Computer-Aided Design, Amazon Web Services, Cloud Computing, Data Security, Relational Databases, Distributed Systems, Messaging Application Programming Interface, Secure Coding, Backend, Apache Kafka, Restful APIs, Domain Driven Design, Microservices - **Published:** September 10, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840588318-senior-java-developer ## About the Role * Recent hands-on experience as a backend engineer using Java. * Proficient in designing and implementing tests (unit, integration, end-to-end, performance). * Strong knowledge of cloud technologies, distributed systems, RESTful APIs, messaging frameworks (e.g., Kafka), and relational databases. * Experienced in operating, supporting, and securing mission-critical applications. * Skilled in mentoring team members on coding practices, design principles, and maintainable solutions. * Strong English communication and stakeholder management, with the ability to prioritize across multiple workstreams. * Experienced in TDD and microservices architecture. * Experience in regulated industries preferred. * Expertise in cloud-native microservices and AWS is desired. ## Description We are seeking a hands on Senior Java Developer to join J.P. Morgan in London on an initial 10 month contract. This is a hands on role where you will design, build, and maintain Java-based backend systems, working with microservices, cloud technologies, and distributed systems. You will help ensure our systems are secure, scalable, and high performing, while collaborating with colleagues and mentoring team members. Please note that as part of the interview process you will be expected to carry out basic core java coding and systems design since the role involves mentoring less experienced candidates., * Design and deliver cloud-native, microservices-based solutions using modern technologies and best practices. * Apply domain-driven design to build high-quality business products. * Design software that is clear, testable, and easy to evolve, while using scalable architectures that eliminate single points of failure. * Develop secure code to protect customers and the organization and promptly investigate and resolve issues to prevent recurrence. * Optimize data access, performance, reliability, and operability. * Monitor, troubleshoot, and resolve production issues permanently. * Continuously evolve architectures, technologies, and patterns. * Provide end-to-end support for your products throughout their lifecycle, including production and incident management. ## Related Videos - [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [How to Benchmark Your Apache Kafka](https://www.wearedevelopers.com/videos/76-how-to-benchmark-your-apache-kafka) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)