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Senior Founding Engineer

Berlin💼 Full-time🗓 2026-09-20 → 2026-09-26

Core

Lead customer conversations, design and build full stack applications, and advance AI capabilities to move products from prototype to scalable production systems.

Role type

Senior Founding Engineer (Full Stack + AI)

Builds

Scalable, production-ready software and AI-enhanced product features

Domain

Early-stage startup, customer engagement, AI/LLM

Deliverable

production ML models | product features

Required skills

Full stack development (Node.js, TypeScript, React, Python), LLM design patterns, vector stores, model fine tuning, system design, customer insight translation

Preferred skills

Startup/early-stage environment experience

Technologies

Node.js, TypeScript, React, Python, LLMs, vector stores

Responsibilities

Lead customer conversations and translate insights into product features; Design and build full stack applications; Advance AI capabilities of the product; Move the product from prototype to scalable production systems; Help define product, technical direction, and company strategy

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