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# Founding Engineer

- **Company:** Clera
- **Location:** Berlin, Germany
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Automated Storage and Retrieval Systems, Databases, Python (Programming Language), PostgreSQL, Open Source Technology, Procurement Software, Software Architecture, Next.js, Software Deployment, TypeScript, ReactJS, Large Language Models, Backend, Low Latency, Real Time Data, Graphql, Front End Software Development, Restful APIs
- **Published:** October 18, 2026
- **Apply:** https://startup.jobs/founding-engineer-clera-10506630

## About the Role

* At least 3 years of experience building and shipping end-to-end product features across frontend, backend, and infrastructure.
 * Evidence of strong engineering ability, such as shipped products, technical leadership, open-source work, or other substantial accomplishments.
 * Production experience with TypeScript and Python, and experience building and deploying applications with React and Next.js.
 * Hands-on experience with production LLM applications, retrieval systems, and embeddings, including trade-offs across latency, cost, and quality.
 * Experience designing reliable LLM workflows with evaluation loops, guardrails, and observability.
 * Strong foundations in databases, APIs, and full-stack architecture; experience with PostgreSQL, Supabase, Vercel, REST or GraphQL, and real-time data integrations is relevant.
 * Startup or entrepreneurial product-building experience is valued, as is familiarity with procurement, ERP, or enterprise supply chains.
 * Clear communication, high agency, sound judgment, and comfort working closely with a team in person.

## Description

Join an early-stage AI procurement software team as a full-time Founding Engineer. You will own customer problems from discovery through production, build AI-enabled workflows, and help shape the technical direction and working practices of a small engineering team., * Build and ship full-stack product features based on customer needs, from initial discovery through production release.

 * Develop agent-powered workflows and shared foundations for context, tool use, evaluation, guardrails, and observability.
 * Make architectural decisions across frontend, backend, and infrastructure, considering performance, security, and developer experience.
 * Review AI-assisted code and use frequent releases and customer feedback to improve product quality.
 * Contribute to engineering practices, hiring standards, and team processes while working hands-on as an individual contributor.