Late Technical Co-Founder (m/w/d)

Own the technical vision and architecture across the full platform — from the real-time voice pipeline to the multi-tenant chat products

Drive our applied AI roadmap: LLM agents (pydantic-ai), RAG over pgvector, agentic crawling and evaluation systems for LLM accuracy

Solve real scaling and reliability challenges for citizen-facing telephony: real-time processing, latency, uptime and horizontal scaling

Own multi-tenant data isolation, security and DSGVO/GDPR compliance on a Postgres foundation (RLS, zero-trust access, migration discipline)

Partner with the founders on product strategy, technical trade-offs and the long-term architecture of the company

Lead, grow and mentor a small, senior engineering team across multiple services in Python and TypeScript, and set the hiring bar as we scale

Proven experience leading and growing engineering teams, with a strong hands-on technical foundation you haven't left behind

Deep experience building and operating production systems in Python and/or modern TypeScript/React

Applied AI experience: LLM agents, RAG, and evaluation — you've shipped these to real users, not just prototyped them

Strong instincts for multi-tenant data isolation, security and EU data protection (DSGVO/GDPR)

A reliability engineering mindset for real-time, latency-sensitive, citizen-facing services

The judgment to balance speed and substance — you ship fast prototypes, then harden them into robust, well-architected systems

Nice-to-have: experience in regulated, security-critical, or public-sector environments

Nice-to-have: German language proficiency

Significant equity with base salary — this is a founding-team role, weighted toward ownership

A defining leadership role at one of Germany's fastest-growing GovTech startups

Direct influence on technical vision, architecture and company growth

A beautiful and central office right at Rosenthaler Platz

28 days of vacation per year