Technical Co-Founder - CTO

• Agentic Architecture Design infrastructure that lets legal experts define multi-step workflows that agents execute autonomously (with traceability).
• Verified Intelligence Constrain reasoning with expert-defined guardrails, validations, and escalation paths, so outputs are reliable and defensible.
• Scale & Reliability Architect a platform that can run hundreds of thousands of legal tasks, host and scale creator-built services, securely, observably, and cost-efficiently.

• 8+ years software engineering experience
• Built and shipped real products (not just prototypes)
• Experience leading and hiring a technical team
• Strong technical judgment: pragmatic, structured, opinionated on quality
• Entrepreneurial mindset: you move without being asked, communicate early, and own outcomes

If you are Located in Berlin/Potsdam or willing to relocate (hybrid, but we value building together)

Bonus Points

• Agentic / LLM application experience (or strong curiosity + ability to learn fast)
• Marketplace / workflow systems / B2B SaaS experience
• Security & compliance mindset in sensitive domains

What We Offer

• Amazing Team you will love, expand and take to the next level
• Co-founder-level impact: you will shape the product, team, and architecture from the core
• A mission that matters: building the future of legal service delivery, overcoming our outdated legal systems and accelerating customers in Europe and globally
• A-player culture: high bar, low politics, high ownership
• Hard problems in systems, product, and applied AI, with real customers
• Hybrid flexibility, but with significant in-person time with the team
• Compensation: competitive salary + meaningful founder equity (real share ownership and voting rights, not just token options)
• Long-term vision and 2+ years runway

This is not a "CTO employee" role. It's a co-founder level role. If you want comfort and minimal risk, this won't be your thing. If you want ownership, speed, and real leverage, let's talk.

Tech Stack (we are pragmatic about it)

• Python, Pydantic, PydanticAI, FastAPI
• Flutter
• Google Cloud
• or whatever you think is needed

We are building the first vertically integrated full-service platform for legal. We allow the end-to-end completion of legal requests with the help of AI agents and experts in the loop. Lawyers are trapped in the time-for-money model. Their expertise is sold by the hour. Lawyers are selling their most valuable asset, their intellect, in finite blocks of time, effectively capping their potential. nu:legal breaks this ceiling by allowing professionals to transform their knowledge into scalable, agentic services. Customers are stuck battling over-regulation, getting slow, expensive, and opaque legal services. We don't just offer legal knowledge, we deliver complete resolutions. nu:legal democratizes access to top-tier expertise and services, turning fragmented legal tasks into streamlined, end-to-end outcomes. Mission World-class legal services, instantly accessible to everyone. Traction & Context * Founded July 2025 * €1.3M Pre-Seed * MVP in beta * 50+ customers on LOI / waitlist + paying beta customers * Runway: 2+ years, BerlinStartupJobs is the leading platform for inspiring jobs in Europe's new startup capital. Founded in 2011, our aim is to connect startups and established tech companies in Berlin with the best talents. Read more >>