Senior Java Engineer – AI Enablement

IG Group is a FTSE250 FinTech company building mobile, web and desktop platforms for trading. We are forming a Service Modernisation & AI team to pioneer AI‑first development practices in financial services.

About the Team

You will join a small squad of 5–6 senior engineers and an embedded architect, scaling with contractors as needed.

Responsibilities

Service Modernisation (50%)

• Modernise legacy services using AI: analyse codebases, understand dependencies, extract clean APIs.
• Work on high‑impact legacy services that block delivery speed.
• Implement strangler‑fig patterns and other proven migration approaches.
• Deliver modernised services with comprehensive tests, documentation, and multi‑instance deployment.
• Complete modernisations in fast cycles with monthly milestones.
• Use AI to accelerate analysis, refactoring, testing, and documentation.