Senior AI Engineer (m/w/d) - Remote (Machine Learning Engineer)

Remote Senior AI Engineer (m/w/d) Salary: 80000 - 100000 EUR per year. At milia.io we are looking for a Machine-Learning engineer! Our tech stack: TypeScript, AI, NextJS, PostgreSQL. Requirements: Must-have:

• 3+ years Typescript
• Proven production-level experience with LLM integration
• In-depth understanding of retrieval-augmented generation & context engineering
• Experience with AI and agentic frameworks (AI SDK or similar)
• Strong backend skills: database design, micro-service architectures, infrastructure
• Comfort building in early-stage product environments

Nice to have:

• Familiarity with tax or accounting context (chart of accounts, P&L structure)
• Experience with document parsing (PDFs, OCR, table extraction)
• Experience in model training. Your responsibilities are: - Agentic Workflow Engine: autonomous, multi-step workflows for tax processes (documents, deadlines, client communication)
• Document Intelligence: extraction, classification, and analysis of tax-relevant documents (P&L statements, receipts, tax platform exports)
• RAG, context & prompt engineering
• Tax platform API integration with semantic processing of financial data
• Real-time financial analysis features (P&L analysis, liquidity planning, KPI dashboards). Category: Machine-Learning Developer / Engineer Location address: Pilgrimstr. 6, Cologne, Germany. Salary: 80000 - 100000 EUR per year. milia.io - More about us and the role:Small team, direct communication, no long approval chains. You’ll work closely with product and the founding team - your decisions have immediate product impact.

Remote-first, with occasional in-person sessions.

Languages: English (bonus for German) Location: Remote (CET +/- 1h) Start: As soon as possible last updated 28 week of 2026