KimchhungPech

01/Experience

1. Nov 2022 — PresentPhnom Penh

   Current role

   Senior Software Engineer

   VTECH ↗

   Information technology company.

   • Coordinate development tasks and guide technical decisions across backend, frontend, and delivery workflows.

   Main areas of work

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   1. Current focus

      AI-assisted delivery & code oversightAI-assisted delivery & code oversight

      Coordinate development work, review changes, and oversee testing and code quality across developer and AI-assisted workflows.

      • Coordinate development tickets and track work using Hermes.
      • Review developer-written and AI-generated code, supported by a personal GitHub review agent.
      • Automate testing workflows and oversee code quality before delivery.

      • Hermes
      • GitHub
      • AI agents

   2. Campaign Platform ModernizationCampaign Platform Modernization

      Technical oversight of a TypeScript-to-Go migration, architecture improvements, and application performance work.

      • Oversee the campaign platform's migration from TypeScript to Go.
      • Guide application structure and design patterns during the migration.
      • Introduce multi-tier caching with in-memory and Redis layers to improve application performance.
      • Use cache versioning to address race conditions on endpoints handling approximately 300 requests per second.
      • Standardize cache access and durable invalidation behind a shared abstraction to reduce duplicated logic and improve maintainability.

      • TypeScript
      • Go
      • In-memory caching
      • Redis
      • Cache versioning

   3. Current focus

      Frontend Modernization - In ProgressFrontend Modernization - In Progress

      Ongoing migration of a legacy frontend to a maintainable structure with Storybook support and clearer integration boundaries.

      • Manage the ongoing rewrite of a legacy frontend into a new application structure.
      • Introduce Storybook support for developing and reviewing UI components.
      • Separate UI components, application logic, and API integration to reduce coupling.
      • Apply DTO patterns at API integration boundaries and establish consistent naming conventions.

      • Storybook
      • DTO pattern
      • API integration

   4. Delivery Automation & DeploymentDelivery Automation & Deployment

      Practical CI/CD and application deployment support.

      • Support automated build and deployment workflows using GitHub Actions and Jenkins.
      • Work with CapRover and AWS EC2 for application deployment and hosting.

      • GitHub Actions
      • Jenkins
      • CapRover
      • AWS EC2

   5. Platform delivery & Go adoptionPlatform delivery & Go adoption

      Production delivery and early adoption of Go within the company.

      • Built and deployed two production projects using Go, Vue.js, MySQL, REST APIs, and GraphQL.
      • Helped introduce Go within the company as one of its early adopters.

      • Go
      • Vue.js
      • MySQL
      • REST APIs
      • GraphQL

   6. Reward systemReward system

      Complex reward logic and integrations.

      • Implemented and enhanced a reward system with complex logic and integrations, designed to support millions of users.

   7. Live-streaming GraphQLLive-streaming GraphQL

      GraphQL API performance and user experience for live streaming.

      • Contributed to GraphQL API development and performance improvements for a live-streaming application.

   8. Automated Task SchedulingAutomated Task Scheduling

      Flexible task scheduling with real-time management and execution controls.

      • Developed an automated scheduling system with independently configurable schedules for each task.
      • Supported real-time management of scheduled tasks, including schedule changes, pause, and stop controls.

2. Oct 2021 — Nov 2022Phnom Penh

   Senior Full-Stack Engineer

   Okoone ↗

   A global consultancy and technology company providing enterprise solutions.

   • Served as a frontend technical reference and built a reusable Tailwind CSS library.
   • Designed interfaces in Figma, including the Ship24 homepage, and implemented supporting backend services.
   • Improved frontend structure, SEO, and performance through rendering and response-size improvements.
   • Monitored application traffic and investigated production issues.

   • NestJS
   • AngularJS
   • Tailwind CSS
   • Figma
   • MongoDB
   • MySQL

3. Sep 2020 — Jul 2021Phnom Penh, Cambodia

   Front-end Developer

   TK EXPRESS CO.LTD ↗

   BLOC is an online mall and delivery app serving people throughout Cambodia.

   • Implemented internal web application interfaces using React and Next.js.
   • Built a Firebase chat web application with image uploads.
   • Integrated APIs with React interfaces, managed state, and handled frontend errors.

   • React
   • Next.js
   • Firebase
   • REST APIs

4. Jan 2019 — Jun 2020Cambodia

   Full-stack Developer

   Unseentra

   A website and mobile application for finding and booking activities and experiences across Cambodia.

   • Built Laravel database migrations, model relationships, and REST authentication APIs.
   • Developed web interfaces using HTML, CSS, and Vue.js.

   • Laravel
   • Vue.js
   • HTML
   • CSS
   • REST APIs

02/Technical skills