Senior Java / Python Engineer
Senior Java / Python Engineer – AI & Cloud Engineering
A leading global financial markets organisation is hiring a Senior Java / Python Engineer to join a high-impact Research Technology team building next-generation AI-enabled platforms across Asset & Wealth Management.
This is a genuinely strategic engineering role sitting at the intersection of:
• Cloud-native architecture
• AI / LLM engineering
• Quantitative research infrastructure
• Enterprise-scale software development
The environment is heavily engineering-led and suited to someone who enjoys solving complex distributed systems problems while helping shape the future direction of AI adoption within financial services.
Key Responsibilities:
• Design, build and optimise scalable cloud-native systems using Java, Python and AWS
• Develop production-grade AI workflows including RAG-based semantic search and LLM inference pipelines
• Work directly with OpenAI and Claude models in real-world enterprise applications
• Drive engineering decisions around architecture, scalability, resiliency and platform design
• Contribute across the full SDLC within a highly agile engineering environment
• Operate as a senior IC with strong ownership and technical influence across the wider engineering function
What They’re Looking For:
• Strong commercial experience in Java and/or Python engineering
• Deep understanding of distributed systems and cloud-native development
• Hands-on AWS experience in production environments
• Exposure to AI/ML engineering, LLM tooling, semantic search or retrieval systems
• Strong system design capability and ability to work autonomously
• Background within financial services, trading technology, research platforms or high-performance environments is advantageous
This is an opportunity to join a globally recognised engineering organisation investing heavily into AI capability and modern cloud infrastructure, with real technical ownership and long-term strategic impact.
Location: London
Onsite Working 5x days
Inside IR35 Up to £800
If relevant, feel free to message me directly for a confidential discussion.