Kent Michael Handumon

01 · Who I am

About

02 · Where I've worked

Experience

1. Fullstack Software Engineer — Confidential Client

   2025 - 2026

   Independent Contractor · Remote · United States

   • Developed and tested smart contracts on the Internet Computer (ICP), covering contract logic and emitted events to ensure reliability before deployment.
   • Architected backend layers (services, controllers, modules) for maintainable, scalable API design.
   • Built frontend pages and reusable components with TanStack Query that connect cleanly to the on-chain layer.
   • Integrate Unit and End-to-End testing with Jest and Playwright for quality assurance and regression testing.
   • Implement proper CI/CD pipelines for automated testing and deployment to Vercel and Railway.
   • Authored YAML workflow files for GitHub Actions to automate testing and deployment pipelines.
   • Write proper documentation for the project, including API endpoints and smart contract interfaces using Swagger.
   PostgreSQLGraphQLNestJSNext.jsTailwind CSSshadcn/uiTanstack QuerySolidityHardhatTypeScriptICPVercelRailwayPlaywrightJestGitHub ActionsMetamask API

2. Software Engineer (Fullstack / DevOps) — Prometheus

   2024 - 2025

   Full-time Employee · Hybrid · Philippines

   • Developed an ERP system for a Local Government Unit (LGU), covering government workflow processes end-to-end from backend services to frontend delivery.
   • Coordinated face-to-face meetings with government clients and departments to provide consultation, translating their operational goals and requirements directly into application features.
   • Conducted hands-on trainings and product demos with LGU staff to drive adoption and ensure the system matched real workflow needs.
   • Specialized in DevOps processes, deploying multiple applications using Vercel, AWS Lightsail, Railway, and Render.
   • Authored YAML workflow files for GitHub Actions to automate testing and deployment pipelines.
   • Worked a flexible full-stack role covering end-to-end responsibilities from backend service structure, quality and responsive UI, to scalable deployment in AWS.
   PostgreSQLNestJSNext.jsReact NativeTailwind CSSshadcn/uiTypeScriptAWS LightsailAWS RDSVercelRailwayRenderJestGitHub Actions

3. Associate Software Engineer — Prometheus

   2023 - 2024

   Full-time Employee · Hybrid · Philippines

   • Built REST APIs and set up databases using PostgreSQL; structured backend services.
   • Developed food/product delivery and emergency response mobile app with React Native.
   • Worked within a no-code WordPress environment, translating Figma UI designs into fully built websites for hospital and meal-plan provider clients.
   • Built OpenAI-powered projects and integrated AI features into websites (Discord Clone, Chatbot).
   PostgreSQLExpress.jsNode.jsOpenAIReact NativeWordPressNext.jsJavaScriptTypeScriptC#GitHub Actions

4. Fullstack Developer — Jhelord Taxi Connect

   2022 - 2023

   Independent Contractor · Remote · Philippines

   • Built an admin system for operator and driver communication.
   • Created API endpoints on the backend.
   • Integrated APIs on the frontend and shipped the app through the App Store.
   • Participated in manual testing.
   Google FirebaseExpress.jsReact NativeNext.jsJavaScriptGoogle Maps APIGitHub Actions

5. Software Engineering Intern — Cuppa

   2022

   Intern · Remote · Singapore

   • Maintained the CI/CD integration system and wrote system documentation.
   • Handled API integration on the frontend and created API endpoints on the backend.
   • Create unit and end-to-end tests for both frontend and backend using Jest and Cypress.
   Express.jsReact.jsJavaScriptCypressGithub Actions

6. Freelance Developer — Confidential Client

   2021 - 2022

   Project-based Contractor · Remote · Philippines

   • Created API endpoints on the backend.
   • Wrote PostgreSQL and GraphQL queries.
   PostgreSQLNode.jsReact.jsJavaScript

04 · Selected work

Projects

03 · What I work with

Skills

05 · Let's talk

Contact