About Mindstone
Mindstone is building the reference company for AI transformation. We live in the future we are building - using AI every day to run the company, then helping others adopt it. Profitable, venture-backed, and growing fast.
The Role
An AI-first, product-minded, deeply hands-on Senior Product Engineer. You will own problems end-to-end: understand the user need, make product and design calls, build across the stack, ship, and measure. Working directly with the CTO.
What You Will Be Doing
- Shipping features end-to-end across Rebel, used daily by real teams
- Making autonomous product and technical decisions
- Working directly with LLMs, agents, and MCP integrations
- Contributing to our open-screen ecosystem
- Helping shape engineering standards and culture as the team grows
- Mentoring and setting the bar for quality
About You - Essential
- Shipped meaningful product that real people use, recently and repeatedly
- Think and work AI-first: daily use of Cursor, Claude Code, or equivalent
- Full-stack in practice: comfortable from backend systems to frontend product
- Make good product decisions independently, not just technical ones
- Based in or near London, 2 days/week minimum in office
About You - Bonus
- TypeScript, Electron, or desktop app experience
- Built or integrated AI/LLM features in production
- Previous startup experience (10-50 person team)
- You have hired or mentored, or want to start
What We Offer
- Competitive salary + up to 30% monthly bonus tied to company performance
- Possibility of meaningful equity in a profitable, venture-backed company
- 25 days holiday plus bank holidays plus Christmas week
- Quarterly Swarm Weeks across Europe
- Hybrid London-based - 2 days/week minimum
Diversity and Inclusion
We are committed to building a diverse team and actively encourage applications from candidates of all backgrounds. We particularly welcome applications from underrepresented groups in tech.
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