> Markdown version of [/jobs/ext/2291192-senior-ai-engineer](https://www.wearedevelopers.com/jobs/ext/2291192-senior-ai-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior AI Engineer - **Company:** milia - **Location:** Köln, Germany (Remote available) - **Experience:** Expert - **Salary:** €80,000.0 - €100,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Database Design, PostgreSQL, Next.js, TypeScript, Retrieval-Augmented Generation, Large Language Models, Prompt Engineering, Backend, Microservices - **Published:** August 29, 2026 - **Apply:** https://www.adzuna.de/details/5857934214 ## About the Role * 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 ## Description * 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) Technologies: * AI * API * Backend * LLM * TypeScript * NextJS * PostgreSQL More: 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. ## Related Videos - [Coffee with Developers - Maria Apazoglou](https://www.wearedevelopers.com/videos/1209-coffee-with-developers-maria-apazoglou) - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Bringing the power of AI to your application.](https://www.wearedevelopers.com/videos/1010-bringing-the-power-of-ai-to-your-application) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)