At Builders Startup Studio, we're rewriting the playbook on venture building. Based in Rotterdam, we partner with bold founders to build enterprise AI and software companies that define the future of work—from day zero and beyond. Fueled by ambition, backed by execution.
Role mission — why this role mattersOur Core Team is the engine behind every new venture. This role isn’t about supporting one company—it’s about co-building many. Whether crafting go-to-market strategies, refining product flows, or accelerating growth early on, you’ll help build something from scratch and scale it fast, alongside founders and fellow builders.
What you’ll doBuild multiple ventures in parallel (70–80%)
Collaborate with business and technical co-founders to validate ideas and prototype MVPs
Shape early product-market fit using playbooks, rapid learning cycles, and data-driven insights
Own cross-functional operations: product strategy, branding, hiring, legal, finance—wherever the venture needs you
Evangelize + amplify (20–30%)
Be the voice of Builders culture—showcasing what we build and how we think
Create content, host talks or workshops, engage our Founder and CTO networks
Who you are
Domain expert: in design, GTM strategy, product, recruiting, finance, or legal—with experience across early‑stage ventures
Entrepreneurial + hands‑on: you thrive in ambiguity, roll up your sleeves, and have shipped things yourself
Growth-oriented: You seek feedback, love learning fast, and operate at warp-speed
Team-first mentality: You are collaborative, supportive, and excited by shared ambition and results
Located in or open to relocating to The Netherlands, and able to attend our Rotterdam HQ regularly
Fluent in English, and ideally familiar with Dutch (not required)
Skin in the game: real upside in every venture you help build , equity from day one
Platform power: Full access to Builders’ systems, founder funnel, network of investors, Navigators, and CTO Collective
A dynamic studio environment in Rotterdam’s Groot Handelsgebouw
Impact: We demand excellence as the default — no half‑measures
Empower: We back founders fully, sharing risk and reward.
Warp‑speed: We learn fast and iterate faster.
Forge: We embrace friction; resilience breeds greatness.
Sparkle: We celebrate the wins, keep the energy
Think we might be a fit? Let’s talk. Share your story, your ambition, and how you want to help build exceptional AI‑powered companies with us.
For this Venture Partner role, please note that we are unable to provide visa sponsorship or relocation support. Applicants must already have the right to live and work in the Netherlands.
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