Seng Lyhour - Full-Stack Developer & Software Engineer

Seng Lyhour

Web Developer
Available for work
Phnom Penh, Cambodia [UTC+7]
§01

Good morning

Hello, I'm Lyhour — a computer science student at RUPP with a focus on building resilient, high-performance, and user-centric web applications. Currently engineering modern full-stack systems, exploring cloud infrastructures, and experimenting with AI integrations.

§02

Core Technologies & Tools

01
LibraryWeb DevelopmentAdvanced
02SSR
FrameworkNext.jsAdvanced
03SQL
DatabasePostgreSQLAdvanced
04Type Safe
LanguageTypeScriptAdvanced
05API
Backend FrameworkLaravelAdvanced
06UI
UtilityTailwind CSSAdvanced
07Devops
ContainerizationDockerAdvanced
08UI/UX
DesignFigmaAdvanced
END OF SECTION
§03

Education

  • Currently pursuing a Bachelor's degree in Computer Science (3rd year).
  • Strong foundation in programming, software development, and systems design.
  • Actively involved in practical projects.
  • Gained experience in Agile methodologies, team collaboration, and project management.
  • Relevant awards and achievements include hackathons and coding competitions.
C/C++ ProgrammingC# ProgrammingJava ProgrammingMath For Computer ScienceStatisticsNetworkingWeb DevelopmentDatabase ManagementEnglishTeam Collaboration
  • Fast-paced 12-week intensive bootcamp focused on building production-ready backend applications.
  • Mastered Laravel 10 and PHP 8 fundamentals, including MVC architecture, Eloquent ORM, and API development.
  • Developed RESTful APIs with Laravel, integrating PostgreSql databases and securing endpoints with Sanctum authentication.
  • Utilized Postman for API testing, debugging, and documentation, ensuring seamless frontend-backend integration.
  • Built a full-stack NextJS e-commerce application with real-time database updates and server-side rendering.
  • Collaborated in Agile teams, practicing Git version control, code reviews, and CI/CD pipelines for efficient deployment.
  • Achieved 90%+ project completion rate and received certification in Backend Development.
LaravelPhpPostgreSqlPostmanNextJSGit
END OF SECTION
§04

Projects

  • Architected an asynchronous file-processing platform using Laravel Queues and Redis workers to offload CPU-intensive media and document conversions, keeping HTTP interfaces responsive under heavy load.
  • Integrated the CloudConvert API with webhook callbacks for reliable asynchronous conversion status handling.
  • Implemented real-time conversion progress tracking using Laravel Reverb WebSockets, streaming status updates to the React frontend.
PHPLaravelRedisWebSocketsReactCloudConvert API
View SourceView Project

E-Commerce Platform — Team & Personal Builds

  • Led backend development using Laravel REST APIs for product catalog, cart, and order management.
  • Implemented role-based access control using Laravel Sanctum, custom middleware, and policies, with a PostgreSQL schema optimized through indexed search queries and rate limiting.
  • Personal Contribution
  • Built a full-stack e-commerce implementation using Next.js and Laravel, integrating KHQR payment gateway with webhook verification.
  • Implemented dual authentication (JWT + Sanctum) and transactional database workflows to maintain order consistency.
  • Deployed the Laravel backend on Railway and Next.js frontend on Vercel, building responsive desktop and mobile interfaces with Tailwind CSS.
LaravelNext.jsPostgreSQLSanctumJWTKHQR APITailwind CSSDocker
View SourceView Project
  • Built a responsive portfolio site with React, TypeScript, and Vite, achieving a 95+ Lighthouse score through code splitting and asset optimization.
  • Deployed the production application on Vercel.
ReactTypeScriptTailwind CSSFramer MotionVercelVite
View SourceView Project
END OF SECTION