# Kristi Achilleos > Fractional CTO and engineering leader based in Cyprus, working internationally. I build products, and the teams behind them. Taking on new projects from December 2026. ## About - Role: Fractional CTO and engineering leader; hands-on founding engineer. - Experience: 10+ years across software engineering, engineering management and founding-engineer roles. - Highlights: led the engineering team behind a product that reached £1M+ ARR (Unibuddy); split a monolith team into autonomous squads, with development velocity up 30% and incidents resolved 40% faster (Playroll); built an AI-native platform from scratch as a founding engineer, serving three hotel-group customers and reliably handling 500K-email sends (Familiar). - Stack: TypeScript, Node.js, Python, PostgreSQL, React Native / Expo, AWS, AI agents. - Location: Cyprus (EET, UTC+2). Remote-first, working with teams across time zones. ## Services - Fractional CTO (ongoing, part-time): architecture and technology decisions, hiring and team growth, roadmap and trade-offs. - 0-to-1 product build (fixed scope): backend, web and mobile, with AI features and agents where they earn their place. - Team and delivery review (short engagement): delivery process, incident response, team structure, with a written assessment and prioritised plan. ## Pages - [Home](https://www.kristi.cy/): overview of what I do. - [Work with me](https://www.kristi.cy/work-with-me.html): services, track record, how it works, and how to get in touch. This is the place to find current contact details. ## Optional - [LinkedIn](https://www.linkedin.com/in/kristiachilleos/): career history. - [GitHub](https://github.com/Krispy2009): open source and side projects. - [Braille Buddy](https://braille-buddy.krispy2009.workers.dev/): a free web app for learning braille letters in English and Greek (side project).