Rail Batyrshin
@railbatyrshin
Experienced Web Developer specializing in TypeScript and React frontend engineering.
KyrgyzstanWhat I'm looking for
My name is Rail. I'm a frontend engineer with 5 years of experience building products across SaaS, B2B platforms, and consumer apps.
Recently shipped https://testless.tech - a SaaS that takes the guesswork out of landing page copy. Users describe their business, AI generates 3 copy variants, and the platform serves them via a hosted landing page with round-robin traffic distribution. Bayesian analysis determines the winning variant once enough data is collected, automatically eliminating underperformers. Built solo end-to-end with TypeScript, Bun, Hono, PostgreSQL, Drizzle, React, TanStack, and Astro.
Selected work:
- Optux - A/B testing platform built from scratch with an iframe-based visual editor, split-test engine, and role-based admin panel
- TruePMF - AI-driven research platform with OpenAI streaming and real-time collaboration via WebSockets
- Vivio - cross-platform dating product spanning 12 connected apps (web, admin, React Native)
Open-source contributor (Chakra UI, Vocably Pro), occasional technical writer.
I work async, communicate clearly in writing, and own features end-to-end — from API design to deployment. Open to full-time remote roles, 40+ hours/week.
Experience
Work history, roles, and key accomplishments
Web Developer
MadDevs
May 2021 - Present (5 years 1 month)
Planned, developed, tested, implemented, and maintained the front end of the company website and integrated Prismic CMS and third-party APIs to centralize analytics and reporting. Built multiple customer-facing platforms (crypto asset managers, A/B testing editor, and a qualitative research client), integrated OpenAI for transcript automation, and implemented role-based access control.
Education
Degrees, certifications, and relevant coursework
Omsk State Technical University
Master of Science, Radio Engineering
2011 - 2013
Activities and societies: Conducted research and defended a master's thesis titled "Distributed Gain Amplifiers".
Earned a Master of Science in Radio Engineering and defended a thesis on Distributed Gain Amplifiers.
Tech stack
Software and tools used professionally
Availability
Location
KyrgyzstanAuthorized to work in
Portfolio
app.testless.tech/sign-upSalary expectations
Job categories
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