Full-Stack Software Engineer (Node.js, TypeScript, React Native) - Bilingual (English/Korean)

Woongjin, Inc•Carson, CA

3h•$85,000 - $95,000

About The Position

This Software Engineer role will focus on React Native app development and partial Node.js server development. Responsibilities include connecting web-based sales channels through Webview communication, supporting push marketing in collaboration with the U.S. marketing team, and developing inventory management tools and fulfillment applications used at U.S. logistics centers from the ground up with the team.

Requirements

4+ years of experience in software development using TypeScript.
Experience in server-side development with Node.js.
Experience with event-driven systems and message queues (e.g., Inngest, Redis, Pub/Sub, BullMQ, RabbitMQ).
Hands-on experience with mobile app development using React Native.
Ability to read and write technical documentation in English/Korean.

Nice To Haves

Experience integrating with external services, especially those with API limitations (e.g., rate limits, quota restrictions, or complex authentication).
Experience developing Shopify apps or Warehouse Management Systems (WMS).
Experience with serverless backend platforms (Cloud Functions, Firebase, Supabase, Hasura, etc.).
Strong collaboration skills in team environments.

Responsibilities

Inventory & Fulfillment Tool Development: Assist in building inventory management utilities with Node.js and PostgreSQL, integrating order data collected from multiple sales channels.
React Native App Development: Build a web view-based mobile app supporting CRM marketing.
Cross-Team Collaboration: Identify, coordinate, and resolve issues between U.S. and Korean teams.