AI Research Engineer at Arva AI

Location: In person, Central London, 4-5 days in office Type: Full-Time NB: We are able to sponsor visas Note on Salary: For exceptional candidates with strong product impact and relevant experience, we are open to offering compensation above the specified range. Arva AI is revolutionising financial crime intelligence with our cutting-edge AI Agents. By automating manual human review tasks, we enhance operational efficiency and help financial institutions handle AML reviews, while cutting operational costs by 80%. As an AI Research Engineer , you’ll play a pivotal role in building our in-house models—training, fine-tuning, and rigorously evaluating LLMs and agentic systems that power our AI compliance platform, from document fraud detection to web-scale due diligence. You’ll also develop the automation and infrastructure that continuously tests and improves performance (evals, data/label pipelines, training loops, and iterative fine-tuning/distillation). As an AI Researcher, you will: Build and iterate on in-house LLM and agentic capabilities , integrating them into product features with rigorous evaluation, benchmarking, and backtesting across real compliance workflows. Design con