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vertex234

Alex Chiotis

@vertex234

Developer Mobile and Web App MVPs

Greece
English, Greek
About me
I build mobile and web apps from idea to launch: design, frontend, backend, and a product you fully own. I've shipped 8 apps (5 mobile, 3 web). My latest, Berth, is a live SaaS at joinberth.com, taken from idea to launch with security audits and real users. Stack: React Native, Expo, Next.js, TypeScript, Tailwind, Supabase. You get custom UI/UX, clean production-ready code, full source ownership and fixed-price packages. I also run Meta Ads, so I think about how your app reaches users. Based in Greece (EU timezone). Portfolio and booking: alexchiotis.dev... Read more

Skills

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vertex234
Alex Chiotis
Offline • 

See my services

Android App Development
I will build your react native mobile app with expo
From$600 / projectMore details

Portfolio

Work experience

Self_Employed

Independent App Developer — Self-employed

Self Employed

Aug 2025 - Present • 1 yr 2 mos

Independently designed, built, and shipped 8 apps across mobile and web — 5 React Native apps and 3 web/desktop tools using React, TypeScript, and Supabase. Apps cover mindfulness, trading psychology, nutrition, pet health, family caregiving, client document generation, and developer tooling. Unit tested with Jest — 21 tests passing.