About this role
Senior Applied AI Engineer at Xapien. Location: London, England, United Kingdom. Role: Build system, Design evals, Fix failures Requirements: Fluent in Claude Code or Codex, strong numerical reasoning, shipped production LLM systems (RAG, prompting, agents), startup or fast-paced tech experience, software engineering experience, high ownership and customer-focused mindset. Category: Software Development Seniority: Senior Level Tools: Claude Code, Codex Commitment: Full Time Workplace: Hybrid Languages: English