Founding Engineer
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### **About the Role**
An early\-stage, AI\-native B2B SaaS startup in the **procurement technology** space is looking for a **Founding Engineer** to join the team in **Berlin**. The company is building an AI\-first supply chain platform that connects category managers to real\-time supplier data and enterprise systems — and is already working closely with real customers.
As a founding engineer, you'll own core product areas end\-to\-end, influence architecture and engineering culture from day one, and ship iteratively with direct customer feedback. This is a rare opportunity to shape a product, a team, and a technical culture at the very beginning.
**Visa sponsorship is not available. Candidates must be eligible to work in Germany without employer sponsorship.**
### **What You'll Do**
* Own core product areas end\-to\-end — from AI agent orchestration to the category manager\-facing UI. * Design reliable LLM workflows with evaluation loops, guardrails, and observability built for production. * Build real\-time supplier data pipelines, normalization layers, and integrations with enterprise ERP systems. * Ship to production daily and collaborate directly with customers to iterate based on real feedback. * Make architectural decisions across the full stack with a focus on performance, security, and developer experience. * Define engineering culture, tooling, and processes as the team grows. * Contribute to the product roadmap and work closely with the founding team on major technical decisions. * Mentor teammates and grow into an engineering leadership role as the company scales.
### **What We're Looking For**
**Required:**
* Strong full\-stack foundation — comfortable with front\-ends, back\-ends, and the seam between them. * Proficiency in **TypeScript** (front\-end and back\-end) and **Python**; experience with Next.js and modern APIs. * Hands\-on experience building SaaS products end\-to\-end in a startup environment. * Proven experience designing and operating **AI/LLM infrastructure**: retrieval, embeddings, evaluation loops, monitoring, and safety guardrails. * Experience building data pipelines, normalization, and integrations with enterprise systems. * Domain knowledge in **ERP, procurement, or related enterprise software**. * Strong written and verbal communication skills; comfortable working directly with customers and cross\-functional teams. * Builder mindset — you default to shipping, learning from users, and iterating fast. * Comfortable with ambiguity; able to define *what* to build as well as *how* to build it.
**Nice to have:**
* Hands\-on experience with procurement or supply chain domain specifics (e.g. sourcing, spend analysis, contract management). * Prior experience as a founding or very early engineer at a startup. * Appetite for engineering leadership and mentorship as the team grows.
### **Location**
* **Berlin, Germany** — on\-site * Must be eligible to work in Germany without employer visa sponsorship.
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