Join Setero as CTO and technical co-founder to lead the evolution of our AI-native coaching platform. Already generating six-figure ARR with enterprise logos, you will own the technical roadmap and architecture. This is a hands-on leadership role for a builder ready to scale a proven product to category leadership in Berlin.
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Berlin, GermanyNot Disclosed + Equity
CTO / Technical Co-founder (VSOP Package) at Setero - AI-native coaching for enterprise sales
Setero is seeking a CTO / Technical Co-founder to lead their AI-native coaching infrastructure for enterprise sales. With six-figure ARR already secured and a pre-seed round closed in Q4 2025, this is a rare chance to join a high-growth startup with proven traction. You'll own the tech roadmap and scale a world-class engineering team in Berlin. If you're a hands-on builder ready for significant equity and the challenge of scaling a category-defining AI platform, this is the role for you.
Overview
Role overview
Company
Setero
Software
Setero - VC-backed AI sales infrastructure startup
Responsibilities
What you will do
- Define and execute the technical vision, owning the AI architecture, roadmap, and core engineering culture from day one.
- Build and lead a world-class engineering team, moving from a hands-on contributor to a strategic leader as the company scales.
- Evolve the existing product infrastructure using a modern stack including TypeScript, Node.js, and Agentic AI frameworks like LangGraph.
Candidate profile
Who this is a fit for
- Proven hands-on builder with deep expertise in TypeScript, Node.js, and integrating LLMs or Agentic AI into production environments.
- Entrepreneurial leader with the drive to recruit and manage a high-performing engineering team from the ground up in a fast-paced environment.
- Strategic thinker located in or willing to relocate to Berlin, seeking long-term ownership and the responsibility of a co-founder role.
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What makes it remarkable
Why this role is remarkable
- Significant equity ownership via an attractive VSOP package in a company with a clear path to €1M ARR by 2026.
- Work with a fully built core product and real technical depth, backed by top-tier angels and pre-seed capital secured in Q4 2025.
- Rare opportunity to join a high-traction startup at the inflection point, transitioning from early enterprise success to global scale.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
Jack