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Hello, my name is
Hyun-Tae Jin

I ship software people actually depend on. Agency products under deadline, healthcare apps in the enterprise, and production systems on a live factory floor. Full stack by trade, hands-on with data, servers, and the hardware around the code.

Copyright © 2026
Hyun-Tae Jin
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Resumé

Skills

Languages

JavaScript, TypeScript, Python, Java, C#/.NET, SQL, HTML5, CSS3, PHP, Ruby

Libraries / Frameworks

React, Vite, Next, Redux, Vue, Nuxt, Vuex, Angular, .NET, TailwindCSS, Bootstrap, Material UI, Vuetify, Node, Express, Flask, React Query, REST APIs

Databases

Oracle, PostgreSQL, MySQL, MongoDB, Firebase, Supabase, SQL Developer

Tools / Systems

Jenkins, AWS, Visual Studio, VS Code, Cursor, PowerShell, Postman, Insomnia, Jira, Linux log analysis, ERP interfaces, disaster recovery

Version Control

Git, GitHub, GitLab, Gitea, Bitbucket

Deployment

Jenkins, Vercel, Netlify, Render, Firebase, Glitch

Discipline

Agile, Scrum, Code Reviews, Merge Conflicts, Change Control, Requirements Gathering, Plant-side MES support, UI/UX, Functional/OOP

Experience

Senior MES DevOps Engineer

Dec 2025 - Present

StarPlus Energy | Kokomo, IN | On-site

- Deploy and test MES releases across Mixing, Electrode, Stack, and Assembly on a live production line

- Own month-end ERP settlement and scheduled Oracle maintenance, including data purges, production corrections, and KPI reporting queries

- Third-line Systems Operations escalation after Operations Specialists and Process Innovators: controlled data corrections and MES source analysis to determine application intent

- Triage shop-floor incidents: trace Linux logs, analyze MES source and git history, document repro steps, and drive fixes with remote developers, DBAs, and IT Infrastructure

- Run Jenkins-based MES deployments; maintain disaster recovery runbooks and factory revival procedures

- Analyze MES application code (.NET 4.8 WinForms), report defects and fix suggestions to HQ developers; write Python and PowerShell scripts for data and operational automation

- Guide local engineering team on git-flow and code management standards across GitHub, GitLab, and Gitea

MES Software Engineer

Nov 2024 - Nov 2025

StarPlus Energy | Kokomo, IN | On-site

- Supported Stack and Assembly MES on the floor: equipment integration failures, lot tracking, and production hold workflows

- Worked with Process Innovation Managers to troubleshoot machinery and equipment issues where MES meets the production line

- Debugged UI and backend defects with remote developers; authored SQL data corrections and validated fixes under change control

- Guided local software engineering practices and code management for the plant engineering team

UI / UX Software Engineer

Jan 2024 - Oct 2024

StarPlus Energy | Kokomo, IN | On-site

- Developed MES operator UI components on platform release cycles with distributed engineering teams

- Built an internal Vite + React meal-ordering application from scratch; scaled from 350 to 2,600+ users across 4 campuses

- Partnered with General Affairs and food vendors as stakeholders while expanding Korean and American menu support

Freelance Web Developer

Oct 2023 - Present

3FGolf | Remote | Remote

- Ship fantasy golf and LLM-powered apps with React, Vite, TailwindCSS, react-query, and Supabase

- Integrate third-party sports and news APIs; optimize bundle size, caching, and SEO for production traffic

Software Engineer

Sep 2023 - Nov 2023

Co.Lab | Seattle, WA | Remote

- Built Matrimoni wedding-planning app in an 8-week sprint

- Owned git workflow, app architecture, and the Trello project board

- Worked with a co-developer and designer across time zones to hit project deadlines

Full Stack Developer Trainee

Apr 2023 - Jun 2023

Coding Temple | Chicago, IL | Remote

- Bootcamp focus on Python, Flask, React, TypeScript, JavaScript, HTML/CSS, and SQL

- Built full-stack applications with custom REST endpoints and JWT authentication

- Oversaw repositories for group projects, including merge and rebase across codebases

Sabbatical / COVID / Family and Personal Reasons

2020 - 2023

Health and well-being | Incheon, South Korea

Application Developer

Mar 2019 - May 2020

Highmark Health Solutions | Pittsburgh, PA | Hybrid

- Lead developer on a clinical web portal for patient data search; mentored a developer on Vue with a Java backend

- Collaborated within a Scrum team, managed story points for sprints, and maintained GitLab git-flow

- Configured Babel for IE7 compatibility and championed Vue adoption within the company

- Maintained and developed Highmark's Utilization Management tooling on the PegaSystems platform

Web Developer

Sep 2017 - Jan 2019

Checkmate Digital | New Haven, CT | Remote

- Delivered end-to-end web applications for startup clients in an agency environment

- Led Angular-to-React migration with the CTO; established component patterns and build tooling for the new stack

- Worked across the product lifecycle from concept through deployment under client deadlines

Projects

Few Projects I've tinkered with. . .

Solar Power Indy - Sales Qualification App

NextJSTypescriptTailwindCSSSupabaseVercel

This project helps qualify potential solar panel customers for Solar Power Indy to determine if they are good candidates for solar installation. The app streamlines the sales process by providing a dashboard based on customer inputs.

Matrimoni - Wedding App

ReactTypescriptTailwindCSSFirebaseVercel

Matrimoni is an innovative web application designed to streamline and simplify the wedding planning process for couples. This project is featured on Colab's highlighted projects page: https://www.joincolab.io/product/matrimoni

Co.Lab Portfolio App

ReactTypescriptTailwindCSSVercel

This application was created as a coding assessment for a pilot bootcamp. Uses Wit AI API for speech recognition and viewers can speak the navigation keywords to navigate through different sections of the portfolio.

Virshop - Backend

PythonFlaskSQLAlchemyJinjaPostgreSQLHTMLCSSRender

This is the backend repository for Virshop, a TCG business. Stores CSV data for cards and handles API requests.

Virshop - Frontend

ReactTypescriptFirebaseTailwindCSS

Created to aid a client with card and pricing data obtained from TCG Player for his business. App contains user authentication and handles specific CSV files and displays formatted data.

Car Inventory Demo

ReactTypescriptReduxFirebaseTailwindCSSMaterial-UI

A demo car inventory management system built with React, Redux and Firebase. Experimented with state management on form inputs and styling with Tailwind CSS.

Weather Window

JavascriptHTMLCSS

This application uses OpenWeatherMap API to fetch weather data, and Spotify API to play a song based on the current weather.

Rift

ReactJavascriptMaterial-UISASS

Front-end repository to streamline registration, real-time form editing, custom validation, and tournament drafting

Education