Hyunpill Gong
Senior Software Developer
10 years building backend and full-stack systems in Java, C#, .NET, and REST APIs — microservices, databases, and cloud infrastructure, with a modern, AI-assisted development practice using GitHub Copilot and Claude Code.
Ten years shipping backend and full-stack software for real teams.
Ten years building backend services in Java, C#, .NET, and Python — REST APIs, microservices, and SQL databases, across marketplace, gaming, and telecom platforms.
Ship complete features end to end, pairing React and Redux frontends with the backend services and APIs that power them.
Deploy and operate microservices with Kubernetes, Docker, and OpenShift, backed by CI/CD pipelines across Jenkins, GitLab, and Bitbucket.
Use GitHub Copilot and Claude Code to analyze existing codebases and build features faster, with JUnit and Cypress automated tests to hold the line on quality.
Ten years across product, platform, and agency teams.
- Build, create, and manage new and existing features for a B2B marketplace platform using C# and .NET microservices.
- Use GitHub Copilot and Claude Code to analyze existing codebases and develop and enhance features.
- Create automated unit and integration tests to improve development efficiency and code quality.
- Designed and built new gameplay features contributing to engaging player experiences using React, Java, Python, and REST APIs.
- Deployed and managed microservices using Kubernetes and Docker.
- Developed backend and frontend using React, Redux, Python, Java, and REST APIs.
- Created JUnit and Cypress automated tests; managed repositories on Bitbucket and Gerrit, overseeing Jenkins pipelines.
- Engineered a search engine and data analytics product with Elasticsearch, Kibana, and Grafana.
- Deployed and managed microservices with Kubernetes, Docker, and Helm, and container images on OpenShift.
- Developed frontend with React and Redux, and backend with Java, Kafka, Amazon S3, and GraphQL.
- Used Kubernetes and Docker coordinated with Jenkins CI/CD.
- Created JUnit automated tests.
- Architected themes and modules using PHP, JavaScript, SQL, and ReactJS on Drupal with GitLab CI/CD.
- Performed code reviews on the team's work to assure quality and provided technical assistance in client meetings.
- Designed and maintained websites, themes, and modules using Drupal, PHP, JavaScript, SQL, and ReactJS with GitLab CI/CD.
- Conducted thorough code reviews and participated in open-source theme and module creation.
Technologies I use to build production software.
Personal projects built end to end, from architecture to deployment.
PulseMonitor
A monitoring platform for tracking API availability, response times, and health status across multiple endpoints — with automated status checks, uptime history, and an incident log.
StockLens
A stock research and portfolio analytics application built on external financial APIs — covering stock search, price charts, a watchlist, and a market overview.
KidsStory
Upload a photo, add a short story prompt, and get back a personalized 10-second animated story video — no sign-up required.