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Mark
@markchakin
Full stack developer from idea to a live product, payments included
Latvia
English, Latvian, Russian
About me
I build web applications that actually work in production — not just prototypes
or mockups.
My latest project, Nakla (nakla1-beta.vercel.app), is a two-sided marketplace
for tutors in the Baltic region: booking with payment holds, automatic payouts
via Stripe Connect, subscription billing, real-time messaging, and full
multi-language support (Russian/Latvian/English).
I work with small businesses and founders who need a real, working product —
not just a design file. That means handling payments, security, deployment,
and everything in between, start to finish.
Skills
Mark
Offline •
Average response time: 1 hour
See my services
Custom Websites
I will build a full stack website or web app with online payments
Portfolio
Work experience
Founder & Developer
Self Employed • Self-employed
Jul 2025 - Present • 1 yr 1 mo
Built and launched Nakla, a two-sided tutoring marketplace for the Baltic region, from concept to production. Core features: booking with payment holds (funds are authorized and only captured once the tutor accepts), automatic payouts to tutors via Stripe Connect with tiered platform commission, subscription billing for tutor plans, real-time messaging between students and tutors, and full support for Russian, Latvian, and English. Handled the entire stack end to end: React/Vite frontend, Supabase for auth and database, Stripe for payments and marketplace payouts, deployed on Vercel with serverless functions and scheduled jobs. Tested every payment flow (successful booking, decline, expiry) safely before taking the product live. Live at nakla1-beta.vercel.app
