About this role
Senior Internal Tooling Engineer at Yazio. Location: Germany or Spain or Portugal or United Kingdom. Role: designing tools, building systems, mentoring engineers Requirements: 5+ years building end-to-end web applications; strong Go, HTMX and Python experience; hands-on AI knowledge (LLMs, RAG, LangChain, pgvector, OpenRouter); experience with distributed async systems and end-to-end ownership. Category: Software Development Seniority: Senior Level Tools: Go, HTMX, Python, pgvector, OpenRouter, LangChain, LLMs, RAG Commitment: Full Time Workplace: Remote Languages: English