Woong Hui Won

Seattle

Summary

Full Stack Software Engineer with 7.5+ years of experience designing, modernizing, and scaling enterprise web applications using React, TypeScript, JavaScript, C#, .NET, and SQL technologies. Proven track record leading engineering initiatives, including monorepo migrations, CI/CD automation, and production release management, while improving developer productivity and system reliability. A collaborative team player and technical leader who partners effectively with cross-functional teams to deliver high-quality software from concept to production.

Overview

years of professional experience

Work History

Software Developer

KEV Group (formerly Graystep Software Inc.)

06.2020 - Current

Led the migration of 20+ repositories into a unified monorepo, simplifying dependency management and significantly improving developer productivity across the engineering team.
Modernized the engineering toolchain by upgrading Node.js from version 10 to 24, replacing Gulp/Bower with Webpack, and updating years of unsupported dependencies to actively maintained versions.
Designed and developed an automated release pipeline using GitHub Actions to manage versioning, dependency builds, pull request creation, and production-ready installers.
Automated the client build process into a one-click production deployment workflow, improving release consistency while reducing manual effort and build errors.
Serve as the primary engineer for after-hours production releases, coordinating deployments, validating production changes, and resolving release issues to ensure successful rollouts.
Facilitate sprint planning, backlog refinement, and daily engineering stand-ups, helping prioritize work and coordinate development efforts within an Agile team.
Act as the engineering team's technical lead during manager absences, coordinating work, removing blockers, and ensuring sprint objectives remain on track.
Designed and implemented Point of Sale receipt printing functionality along with administrative tools that enable support teams to diagnose and troubleshoot customer printer connectivity.
Identified application scalability bottlenecks caused by increasing customer data volumes and proposed pagination, filtering, and optimized querying strategies to improve performance and reduce server load.
Partner closely with customers and internal support teams to investigate production issues, gather requirements, and deliver enhancements that improve the overall customer experience.

Full Stack Developer

Hattori Hanzo Shears

04.2019 - 08.2020

Rebuilt the company's legacy internal ColdFusion application into a modern, responsive React application using React, Node.js, CSS/SCSS, and Microsoft SQL Server.
Collaborated directly with UI/UX designers and business stakeholders to deliver a mobile-first experience that improved usability for employees working in the field.
Worked closely with internal users to gather feedback, iterate on functionality, and translate business requirements into technical solutions.
Mentored and onboarded two junior developers, assigning work, reviewing progress, and helping them become productive members of the engineering team.
Refactored existing backend Node.js code to modern ES6+ standards, improving maintainability, readability, and documentation.
Participated in Agile development using Jira, ClickUp, and Zendesk while collaborating across engineering, product, and business teams to deliver new functionality.

Education

B.S. - Computer Science

California State University, Sacramento

Skills

Languages: TypeScript, JavaScript, C#, SQL, NoSQL
Frontend: React, AngularJS, Material UI, AG Grid, TanStack Query
Backend: NET Framework, Nodejs, REST APIs

Databases: MSSQL, MongoDB, Redis
DevOps: GitHub Actions, Git, Webpack, CI/CD, Monorepos, Agile/Scrum

Websites

linkedin.com/in/woonghui-won

Timeline