Work Experience

• Full Stack Engineer, STCLab, Inc.

  Jan, 2025 - Present

  Full-stack engineer on Wave Autoscale, an AI-powered Kubernetes cost optimization platform that automates cluster scaling, resource sizing, and intelligent workload management. Builds core backend services in Rust and web interfaces in Next.js.

  • Completed Red Hat Partner Connect certification for 5 container images and 1 Helm chart, enabling sales to OpenShift enterprise customers via Red Hat Marketplace

  • Developed In-Place Pod Resizing feature, eliminating downtime during resource adjustments for running workloads

  • Implemented virtual waiting room system integration to prevent server overload during traffic spikes

  • Developed EKS-Scaler to auto-manage development clusters (60/168 hours active per week), reducing dev cluster costs by ~64%

• Frontend Engineer, FuturePlay

  Mar, 2022 - Jan, 20252 years 10 months

  Frontend engineer following agile methodologies with a focus on behavior-driven development.

  • Followed agile methodologies with BDD using Cucumber and Cypress for testing

  • Developed React Native application POCs for iOS and Android

  • Implemented React-Relay → GraphQL → PostgreSQL stack with TypeScript for end-to-end type safety

  • Increased React Native application stability by adding Cucumber + Detox functional testing

  • Worked with AWS CDK, EC2, S3, and OpenSearch for deployments

  • Improved Lighthouse score of a web application by 32% using performance best practices

• Software Development Consultant, Freelance

  Aug, 2021 - Mar, 20227 months

  Independent software development consultant.

  • Built React-based web application for proprietary hardware

  • Improved application development reliability by adding TypeScript support

• GUI Engineer, Hewlett Packard Enterprise

  Aug, 2018 - Jun, 20212 years 10 months

  GUI engineer specializing in data visualization and frontend infrastructure at scale.

  • Created visualizations for millions of data points using Highcharts and D3.js

  • Developed an SVG-based React module for custom charts

  • Built custom HOC for react-table with server-side pagination, advanced filtering, and sorting

  • Created a custom Node.js module to parse UI query headers into Elasticsearch queries

  • Monitored infrastructure using the ELK stack

  • Dockerized multiple microservices, reducing deployment delays by 40%

  • Managed deployments using Kubernetes-Helm, Jenkins, and GitHub Actions

  • Created Swagger documentation for various REST API services

• UI Developer, MTAP Technologies

  Jun, 2016 - Aug, 20182 years 2 months

  UI developer responsible for React-based frontend with full-stack involvement.

  • Led React-based web application frontend development using React and Flux

  • Built full-stack features with MongoDB and Express.js backend integration

  • Improved Google Maps visualization performance by 80%

  • Created onboarding welcome tour to improve new user activation

  • Collaborated closely with designers to develop UI mock-ups

• Web Developer, Freelance

  May, 2015 - Jun, 20161 year 1 month

  Freelance web developer building client applications and design assets.

  • Built web applications with PHP, WordPress, and Node.js for various clients

  • Created design mock-ups and graphic assets using Photoshop and Illustrator

Projects Experience

• Dynamic Ticket

  - Present

  Concert ticketing platform for the Korean market with exclusive artist content and real-time event updates for fans.

  • Built full-stack ticketing platform with Next.js 14 (App Router) and TypeScript, supporting concert discovery, seat selection, and payment processing

  • Deployed to AWS using OpenNext for serverless Next.js hosting, significantly reducing infrastructure costs compared to traditional server deployments

  • Implemented exclusive artist feed feature using WebSockets for real-time post updates, accessible only to ticket holders

  • Designed PostgreSQL schema for ticketing, user authentication, and artist content with Prisma ORM

  • Integrated PortOne Payments API for Korean payment processing including card, bank transfer, and Kakao Pay

  • Used AWS S3 + CloudFront for media delivery and Redis for session management and rate limiting

• Part-Time Shift Manager

  - Present

  Cross-platform mobile app for managing part-time employee schedules and automated salary calculations, published on iOS App Store and Google Play Store.

  • Built cross-platform mobile app with React Native and Expo, shipped to both iOS App Store and Google Play Store

  • Developed dual-role experience: manager dashboard for schedule creation and approval, employee view for shift tracking and availability requests

  • Implemented automated salary calculation engine supporting hourly rates, overtime rules, and Korean labor law minimum wage compliance

  • Built real-time schedule conflict detection and push notification system using Firebase Cloud Messaging

  • Used React Native Paper for consistent Material Design UI across iOS and Android

  • Persisted data with SQLite locally and synced to a Node.js + Express REST API backed by MongoDB

Skills

Education