Lead Java Engineer

Lead Backend Engineer

Java - Spring Boot - GCP

Remote Contract - Ideally 1-2 in person meetings per month, London

�(Apply online only) per day, Outside IR35

Initial 3 month engagement with likely extensions

Our exciting Fintech Startup client is looking to engage the services of an experienced Lead Backend Engineer / Lead Java Engineer on a contract basis for 3 months initially, with likely extensions beyond.

This is a remote contract with ideally 1-2 in person visits per month in London.

Project scope:�

Lead the migration of backend systems from Java Servlets and GWT/GXT to Spring�Boot, implementing a modular monolith approach and ensuring microservices�readiness. Migrate the platform to Google Cloud Platform (GCP) with a focus on�auto-scaling, horizontal scaling, and stateless design while maintaining security,�performance, and API-driven architecture.

Key Responsibilities:

• Backend Re-architecture: Migrate from Java servlets to Spring Boot, design�REST APIs, and refactor features like SSO and data exports.


• Cloud Migration: Move backend and infrastructure to GCP, enabling auto-scaling and stateless services using JWT.


• Data Migration: Migrate metadata from Oracle to MySQL, ensuring�scalability.


• Security & Performance: Implement Spring Security, optimise performance�with GCP tools, and set up monitoring.


• Collaboration: Work closely with frontend teams, communicate progress to�stakeholders, and ensure business requirements are met. Also working closely with a small Offshore Development team.

Key Skills:

• Technical Expertise: Experience with Spring Boot, Spring Security, REST�API design, MySQL, GCP, Compute Engine, GCP Networking, and�containerisation.


• Architecture & Design: Knowledge of modular monoliths and microservices�architecture.


• DevOps & CI/CD: Experience with CI/CD pipelines, Jenkins, GitLab CI, and�Docker.


• Security & Scalability: Expertise in cloud security, OWASP 10, OAuth, SSO,�and scalable cloud apps.

The ideal Contractor will have delivered a similar project, collaborating with stakeholders and offshore teams, being a vital member of the team, and making an impact!

Please apply by submitting your latest CV for immediate review by our talent team.

Thanks