Frontend & Mobile Developer · Ulaanbaatar, Mongolia

Temuulen Undrakhbayar

Frontend and mobile developer coding since age 15.

zerone.offical@gmail.comGitHubLinkedIn+976 8865 0115
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About

About

Builds web and mobile products for the Mongolian market using Next.js, React, TypeScript, Flutter, and React Native. Worked on mapping and transport, government court-process digitization under NDA, ERP, e-commerce, AI gateway, and identity/SSO products.

Focused on UI implementation, client-side features, user flows, API integration, debugging, and building prototypes. Deeply engaged in coding and developer experience: automates repetitive work, builds small internal tools, and continuously improves development workflows.

Experience

Professional experience

  1. Software Engineer · ICT Group

    Oct 2024 – Present

    • – Contributed to hamuga, a mapping and transport product across a Next.js web app and a Flutter app; implemented client-side features, API integration, bug fixes, and UX improvements.
    • – Contributed to a government court e-services mobile application (under NDA), a product supporting end-to-end digitization of court processes; worked on Flutter client-side features and API integration.

  2. Founder / Product Developer · Zui Innovation LLC

    Jul 2026 – Present

    • – Prototyped and iterated ERP, AI gateway, identity/SSO, and other web and mobile products for the Mongolian market.
    • – Built user-facing product surfaces with Next.js, React, TypeScript, and Flutter.
    • – Integrated Supabase into application features.

  3. Web & Mobile Developer · Mindshift Technology

    Jun 2023 – Oct 2024

    • – Developed an internal admin dashboard and a delivery management system.
    • – Developed React Native frontend features and user flows for a B2B e-commerce ordering platform.

Capabilities

Skills and tooling

Web
Next.js, React, TypeScript
Mobile
Flutter, Dart, React Native, Expo
UI & Product
UI implementation, responsive layouts, user flows, debugging
Integration & Workflow
API integration, Supabase integration, Git, Vercel, workflow automation, developer tooling

Languages & Education

Languages and education

Languages

  • Mongolian · Native
  • English · B2 Upper Intermediate

Education

Erdmiin Orgoo Secondary School

Нийслэлийн Ерөнхий Боловсролын Эрдмийн Өргөө сургууль

Ulaanbaatar · 2010–2022 · GPA 3.8