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Senior Applied AI Engineer

Xapien London💼 Full-time🗓 2026-06-05 → 2026-07-31

Core

Building end-to-end AI pipelines for due diligence and risk intelligence, including LLM research agents, entity resolution, and report generation to turn manual research into trusted insights.

Role type

Senior Applied AI Engineer (LLM Systems)

Builds

Production LLM systems, RAG pipelines, and agentic workflows for financial due diligence

Domain

Financial services / AI / Due Diligence

Deliverable

production ML models

Required skills

LLM system design, RAG implementation, agentic workflows, entity resolution, prompt engineering, evaluation design, software engineering, numerical reasoning, incident response

Preferred skills

Experience with Claude Code or similar agentic tooling, startup environment experience, high agency in problem scoping

Technologies

Claude Code, Codex, LLMs, RAG frameworks

Responsibilities

Prototype, evaluate, ship, and improve LLM research agents and entity resolution systems; Design evals to measure accuracy, speed, and cost; Debug and fix root causes in agent failures; Own the full lifecycle of AI features from concept to production

Seniority

Senior, hands-on IC

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