Fractional CTO (PropTech / ClimateTech / Sustainability) | Remote (UK / Europe friendly) | Substantial equity | Transition to paid role
Core
Provide technical leadership and stewardship for an existing SaaS platform focused on energy modelling and sustainability, guiding a small team and driving the roadmap to scale.
Role type
Fractional CTO transitioning to full-time
Builds
Scalable SaaS platform for energy modelling and sustainability
Domain
PropTech / ClimateTech / Sustainability
Deliverable
production ML models | product features | infrastructure
Required skills
SaaS architecture leadership, team mentoring, technical roadmap definition, backend/frontend/data workflow implementation, system robustness and security, cloud infrastructure management
Preferred skills
Experience scaling early-stage products, passion for climate tech impact, open to equity-based compensation
Technologies
Python (Flask), React (TypeScript), PostgreSQL, AWS (S3)
Responsibilities
Take over technical stewardship of an existing SaaS platform, mentor a team of two junior developers, define and drive the technical roadmap, lead implementation of new features across backend, frontend, and data workflows, improve system robustness and security, collaborate with the founder on product strategy and hiring
Seniority
Senior, hands-on IC transitioning to executive