ai engineer in private capital

Capsa AI is building an AI Operating System for private capital funds. Its platform supports investment research, analysis, monitoring, decision-making, and learning across deals for leading private equity firms.

• Build AI systems at the core of a platform used by leading private equity firms;
• Design, ship, and improve agents for researching companies, analysing documents, authoring outputs, and citing claims;
• Own the full agent harness, including agent design, tool building, retrieval, evaluations, and iteration;
• Own agent capabilities end to end, make design decisions, ship them, and operate them.

• Five or more years building production backend systems at a venture-backed startup or top tech firm;
• End-to-end ownership of AI-powered services and systems;
• Experience shipping agents, retrieval systems, or LLM features from ideation to production;
• Evidence of evaluation results, adoption, and production experience;
• Expertise in Python, LLMs, agents, retrieval and search, evals, FastAPI, Postgres, and RabbitMQ;
• Experience working in high-performance, fast-moving environments;
• Ability to investigate problems deeply and focus on user outcomes;
• Accountable, thoughtful, and pragmatic approach to engineering;
• Nice to have: TypeScript and React familiarity.

• Top-of-market compensation with a competitive base and ESOP;
• Meaningful equity in a company that grew 15x last year;
• Hybrid work in London with in-person attendance 4 days per week;
• The company has expanded across the US, UK, and Europe;
• Equal employment opportunities and an inclusive workforce;
• AI-driven tools may be used to assist recruitment screening, assessment, and selection.