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.

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.

Available to hire

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.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate

Language

Korean
Fluent
English
Fluent

Work Experience

Full Stack Developer at Early-Stage Startup (Confidential) – Digital Loyalty & Rewards Platform
January 1, 2021 - January 1, 2022
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

at Dongyang University
January 1, 2022 - January 1, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet