Backend-focused Full Stack Developer with 3+ years of experience building scalable web applications.

About

Backend-focused Full Stack Developer with 3+ years of experience building scalable web applications.

I specialize in Node.js, NestJS, GraphQL (Apollo), and MongoDB, with hands-on experience in designing APIs, authentication systems (JWT), and real-time features. I have worked on marketplace and e-commerce platforms, admin dashboards, and multilingual applications.

I value clean architecture, performance, and clear communication. Comfortable working remotely with international teams and delivering reliable results.

  • 1 year's experience
  • Joined January 2026

Languages

  • KoreanFluent
  • EnglishFluent

Industry experience

  • Software & Internet

Work experience

Full Stack Developer · Early-Stage Startup (Confidential) – Digital Loyalty & Rewards PlatformJan 2021 – Jan 2022 · 1 yr 1 mo

Contributed to a digital loyalty and rewards platform as a full stack engineer, building backend and frontend features, implementing scalable APIs, real-time capabilities, and secure authentication. Used Node.js/TypeScript, NestJS/Express, GraphQL, MongoDB; integrated with React/Next.js frontend; implemented WebSocket/Socket.IO for real-time updates; dockerized services with Docker and Docker Compose; collaborated in a small startup team (Doha, Qatar).

Education

· Dongyang University2022 – 2025

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