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Founding Product Engineer

Berlin💼 Full-time💰 $90,000–$140,000🗓 2026-09-24 → 2026-09-25

Core

Build the intelligence layer for strategic procurement in an AI-native B2B SaaS company, owning features end-to-end from UX to backend logic and prompt design.

Role type

Founding-level full-stack product engineer (AI/LLM)

Builds

LLM-powered features and AI agent pipelines for enterprise customers

Domain

B2B SaaS / Strategic Procurement / Artificial Intelligence

Deliverable

production ML models | product features

Required skills

Full-stack TypeScript, LLM integration and prompt engineering, system architecture design, rapid prototyping, frontend/backend development

Preferred skills

Python, AI coding tools, open-source contributions

Technologies

TypeScript, Python, LLMs

Responsibilities

Prototype and ship LLM-powered features, design AI agent pipelines, translate customer feedback into product experiences, work across frontend/backend/prompt workflows, own features from concept to production

Seniority

Founding, hands-on IC

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