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About the Role

A pre-seed AI SaaS startup automating public procurement processes for the DACH region is seeking a Technical Co-Founder to join as the third founding team member. You will be responsible for the end-to-end technical implementation of a GDPR-compliant, AI-powered platform, shaping its architecture, data pipelines, and LLM-driven features from inception. This is an equity-heavy, founder-level role for individuals aiming to build a company.

Responsibilities

Design and own the overall system architecture hosted in the EU, with a strong focus on GDPR compliance.
Build the core AI engine that generates complete, compelling proposal and performance concepts from structured company data.
Develop and maintain a reference database for references, certificates, and CVs, and integrate them into auto-generated concepts.
Implement entity resolution, reliability scoring, and confidence quantification across the data pipeline.
Work deeply in AI/ML (LLMs, RAG, NLP) or broadly across full-stack product engineering.
Help set technical priorities and drive architectural decisions within a small, agile founding team.
Contribute to business strategy during the pre-seed phase alongside the other co-founders.

Requirements

5+ years of experience in product or engineering roles delivering AI-powered software with LLM, NLP, or RAG capabilities.
Proven experience designing GDPR-compliant architectures in EU cloud environments, particularly for NLP or large language model workloads.
Prior experience as a technical founder or technical lead who has built an AI-first product from zero with full end-to-end ownership.
Hands-on experience with LLMs, Retrieval-Augmented Generation (RAG), and NLP integration in production systems.
Full-stack development capability with a track record of shipping production-ready AI-enabled products.
Openness and commitment to joining as a technical co-founder with an equity-based compensation structure.
Experience with enterprise-grade data pipelines and secure data handling in EU cloud environments (AWS Bedrock, Vertex AI, or equivalent).
Familiarity with German regulatory context (DSGVO/GDPR, and ideally public procurement law such as VgV).
German language proficiency.
Based in Berlin, or willing to work hybrid/remote within the DACH region.
Pragmatic and shipping-focused mindset.
Genuine founder mentality.
Comfortable with the ambiguity and pace of a very early-stage startup.
Collaborative approach.

Skills

AI/ML
LLMs
RAG
NLP
Full-stack development
GDPR compliance
AWS Bedrock
Vertex AI
Data pipelines
Entity resolution
Reliability scoring
Confidence quantification

Location

Berlin, Germany
Hybrid or remote within the DACH region

Work Type

Hybrid
Remote
On-site (preferred in Berlin)

Experience Level

5+ years
Technical Founder
Technical Lead

Salary/Compensations

Compensation during the pre-seed phase is weighted heavily toward equity; cash salary will scale as funding is secured.

Benefits

15–20% co-founder equity with a four-year vesting schedule and one-year cliff.

About the Company

A pre-seed AI SaaS startup automating public procurement processes for the DACH region.
Currently in its pre-seed phase, with incorporation in preparation and a public funding application in progress.