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Rail B. — Mid-Level Frontend Engineer from Kyrgyzstan

Rail B.

Mid-Level Frontend Engineer

Kyrgyzstan 3-6 years
Open to offersNew to Platform
Languages
EnglishRussian
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About

Rail B. is a seasoned Frontend Engineer based in Bishkek with five years of experience in developing web and mobile applications using technologies such as React, TypeScript, and modern UI frameworks. He has been pivotal in creating production-grade platforms from scratch, including A/B testing tools, AI-driven interfaces, and comprehensive SaaS MVPs. As a key player at MadDevs, Rail contributed to projects like Enji, WalletPool, and AI True PMF, enhancing user experience through innovative UI components, seamless API integrations, and real-time data processing. His backend expertise includes Node.js, PostgreSQL, and AWS S3, with significant contributions to open-source projects and technical writing. Rail's projects extend to cross-platform applications, focusing on performance optimization and responsive design, continuously exemplifying his capability to handle complex technical specifications and deliver reliable, scalable software solutions.

Experience

  • Frontend Engineer

    MadDevs · 2025 — Present
    Contributed to a platform that validates startup ideas using AI-driven lead generation and collaboration tools with React and the TanStack ecosystem. Built dashboards and session pages for experiment management. Implemented real-time collaboration features with WebSockets and integrated AI workflows to enhance lead evaluation from cold call transcripts. Designed responsive UI components to ensure a seamless experience across devices.

  • Frontend Engineer

    MadDevs · 2025 — Present
    Oversaw the development and maintenance of web interfaces and mobile applications for a cross-platform dating service using React and React Native. Addressed Google Play Console requirements for app publication. Modernized the codebase by migrating forms to TanStack Form with Zod validation. Implemented performance optimizations across multiple applications while ensuring functional consistency through a unified codebase architecture.

  • Frontend Engineer

    MadDevs · 2023 — Present
    Focused on front-end development for a platform aimed at team-based cryptocurrency asset management using React, Next.js, Chakra UI, and Web3 technologies. Developed responsive UI components and dashboards for crypto management. Integrated Web3 features for wallet interactions, transaction tracking, and ensured cross-browser compatibility. Created user interfaces for managing team crypto assets, implementing secure operations through Web3 integrations while maintaining high reliability via unit testing.

  • Frontend Engineer

    MadDevs · 2023 — Present
    Engineered the front-end for an A/B testing platform utilizing React and Chakra UI. Built core components including main pages, editor, analytics dashboard, and settings from the ground up. Created a custom iframe-based editor for real-time A/B testing functionality. Developed interactive analytics charts based on backend data, providing instant feedback on test results. Collaborated with back-end developers to ensure a cohesive data design across the platform.

  • Frontend Engineer

    MadDevs · 2021 — 2022
    Planned and developed the front-end for the company website using Vue 2, Nuxt.js, and SCSS, ensuring responsiveness across various devices. Integrated Prismic CMS for streamlined content management and dynamic updates. Created adaptive slides for internal pages, boosting content consistency and reducing development time. Connected third-party APIs to automate analytics from multiple sources, delivering structured reports to Telegram and Slack. Enhanced front-end performance, leading to reduced page loading times.

  • Frontend Engineer

    MadDevs · 2021 — Present
    Collaborated with founders to convert business requirements into technical specifications. Built the front-end architecture and created responsive UI components with Vue 3 and Quasar framework, facilitating a functional MVP for user testing. Integrated API endpoints to ensure data flows seamlessly between front-end and back-end services. Ensured compatibility across different browsers and optimized user experience. Conducted unit testing and debugging to uphold functionality.

Skills & Expertise

Frontend Developer

Education

  • Master's degree in Radio Engineering
    OmSTU · — — 2013

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