CTO / Senior Tech Lead — B2B EdTech SaaS startup - 120k

CTO / Senior Tech Lead — B2B EdTech SaaS startup Fully remote - $100,000 – $120,000 Zero-to-one build. Founding-level technology seat. Small team, real ownership. Here at summit we are recruiting a CTO / Senior Tech Lead for a fast-growing EdTech SaaS startup. Their platform lets organisations run structured peer learning and leadership development programmes at scale, already delivered across more than fifty countries. They are now building the fourth generation of it a more scalable, technology-led experience with AI, recording and transcription at its core and opening the roadmap out into coaching, mentoring and one-to-one conversations that don't exist yet in any form. This is the senior technology seat. You'll own the technical strategy, architecture and delivery, working directly with the Founder/CEO. Early on that means forming an honest view of the existing codebase, infrastructure and team, then being straight about what's strong, what's fragile and what has to change. Stability and a real reduction in recurring bugs come first, then building for scale. Alongside that you'll lead and grow the engineering team and put in the processes sprint cadence, code review, testing, QA, deployment that let it run without the founder pulled into daily decisions. There's genuine appetite here for AI-assisted and agentic development practices, properly introduced. The team is stronger than the company's size, with backend across Ruby on Rails, Laravel, FastAPI and Go, frontend across React, TypeScript and Flutter, and dedicated QA. The stack is a Rails API on Google Cloud with a React front end and Flutter on mobile. I'm looking for a CTO, Head of Engineering or engineering lead who has taken a working product through a startup or scale-up phase and left it measurably more stable and more mature. Rails and Google Cloud experience is a strong plus, as is having worked closely with a founder in an early-stage environment. Temperament matters as much as the CV: a hands-on builder with a founder's mindset and real urgency, who asks the difficult questions and never raises a problem without a recommended path forward. Fully remote across Europe. $100,000 to $120,000 depending on experience, plus bonus, benefits and share options. Apply here or message me directly and I'll share the full brief and details of the company.