Senior Java Developer, London

Location: UK (Hybrid / Onsite as required) Experience: 5+ years Role Type: Fixed Term Contract

We are developing a scalable Data Fabric platform that ingests, transforms, and serves trusted data products across multiple domains. The platform spans on‑premise and cloud environments and underpins a wide range of analytics and operational workloads.

This role plays a critical part in shaping, building, and scaling the platform as new use cases onboard.

As a Senior Software Engineer, you will lead technical delivery while remaining deeply hands‑on. You will design and build platform components, own complex engineering outcomes, and set high standards for quality, reliability, and operability.

You will work closely with architects and engineering peers, mentor team members, and contribute to both technical and delivery decisions.

• Own end‑to‑end delivery of complex features and platform capabilities
• Design and build scalable Java / Spring Boot microservices
• Define and uphold engineering standards for code quality, testing, and documentation
• Mentor engineers and promote knowledge sharing
• Drive DevOps practices, CI/CD, and operational readiness
• Collaborate with globally distributed engineering and product partners
• Support integration of new use cases into an established enterprise platform

• Strong hands‑on expertise with Java and Spring Boot (microservices)
• Proven senior‑level software engineering experience
• Deep understanding of CI/CD and DevOps practices
• Hands‑on experience with Kubernetes
• Cloud experience (GCP preferred, others considered)
• Experience building or integrating React‑based UIs or strong understanding of UI/backend integration
• Experience working on large‑scale data platforms or enterprise systems

• Experience in large, matrixed, or global organisations
• Exposure to cloud‑native architecture and platform modernisation initiatives