Senior Backend Engineer Applied AI Track (m/w/d)(Leipzig)

Job Description

MAIA is the AI platform built for industrial companies, where generic AI tools break down because the data is complex, the stakes are high, and precision actually matters. We focus on the hard problems, integrating with real engineering workflows, understanding complex technical documents, and turning implicit organizational knowledge into something the whole company can build on. Our goal is to become the leading AI knowledge management platform for industrial companies in Europe, built for the companies that shape the physical world. Our team consists of structured organizational talents, creative minds, and technology-enthusiastic engineers, all with several years of experience in B2B SaaS and AI. We are looking for a Senior Backend Engineer (f/m/x) to join our engineering team in Leipzig. This role is for an experienced engineer who is excellent at building production-grade backend systems and is excited to grow deep into applied AI on the job. You don't need to be an AI expert on day one. You need to be a strong engineer with the curiosity and capacity to become one. This role is based in Leipzig with 2 to 3 days per week in the office. Tasks You build and evolve MAIA's core product capabilities. Your focus is backend and AI systems, RAG pipelines, retrieval strategies, agentic workflows, and LLM integrations that work reliably in production. In the first months your contribution starts on the backend side, where you immediately add value through your engineering experience. As you ramp up, you progressively take ownership of AI-specific work, with deliberate space to learn, experiment, and develop expertise. Concretely, you will: Design, implement, and ship features from discovery to production rollout, with a strong focus on backend and AI functionality. Build and iterate on RAG pipelines, retrieval strategies, and LLM integrations, making pragmatic tradeoffs across quality, latency, and cost. Build evaluation approaches for LLM features, including quality gates, regression detection, and observability that makes non-deterministic systems debuggable. Proactively scout new technologies and approaches, translate findings into production-ready solutions, and push the team's understanding of what is possible. Collaborate closely with Product, DevOps, and customer-facing teams to turn requirements into high-quality, maintainable software. Contribute to engineering standards, code reviews, and the technical direction of the team as a senior voice. Requirements Technical requirements Significant senior-level experience as a backend engineer, with a track record of designing, shipping, and operating non-trivial production systems end-to-end. Strong backend engineering skills in TypeScript, or another strongly typed language (Go, Java, Rust) plus solid TypeScript fundamentals and the ability to contribute productively in a TypeScript codebase from day one. Deep experience designing and shipping production REST APIs, including versioning, error hand

Required Skills