Senior Python/ Java Engineer - Backend

Build cloud-native, AI-driven platforms within a tier-one financial services environment. We're working with a global financial institution on a large-scale engineering programme and are looking for a Senior Java / Python Engineer to deliver high-impact backend systems on AWS, with exposure to modern AI and LLM-based solutions. What's in it for you Annual Salary up to £70,000 - £78,000 per annum (DOE) 12-month contract - Inside IR35 - PAYE 5 days on-site, Central London Enterprise-scale systems and long-term programme work What you'll be doing Designing and building backend services using Java and/or Python Delivering cloud-native applications in AWS environments Working with AI/ML solutions, including LLM inference and RAG-based semantic search Owning the full SDLC: system design, development, testing, deployment, and operational stability What we're looking for Strong commercial experience with Java and/or Python Hands-on experience delivering systems on AWS Solid understanding of cloud-native and distributed architectures Exposure to AI/ML platforms, ideally LLM-based solutions (e.g. RAG, OpenAI, Claude) Experience working in regulated or enterprise environments Interested? Apply now for immediate consideration. For a confidential discussion, feel free to get in touch.