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Over five years of experience across backend, frontend, infrastructure, and product engineering — from internships to co-founding a startup.
Delivering senior-level PHP engineering on a freelance basis, contributing to full-stack feature development using Symfony. Architecting scalable backend solutions and crafting responsive frontend interfaces, with a focus on code quality, performance, and maintainability across a MariaDB-backed platform.
Engineered and maintained full-stack web solutions for the client's primary platform and administrative dashboard. Designed and implemented RESTful APIs, refactored legacy endpoints to improve throughput and reliability, and delivered new product features end-to-end across the complete application lifecycle.
Drove full-stack development across multiple product lines, translating complex business requirements into robust, maintainable software. Conducted in-depth analysis of existing infrastructure and database architecture to identify bottlenecks and propose scalable improvements, while ensuring consistent delivery across both backend services and frontend interfaces.
Founded and led the end-to-end development of SERSITY, an early-stage tech startup. Defined system architecture, database schema, and infrastructure strategy while overseeing UX/UI design and product roadmap. Managed a cross-functional engineering team and steered the company to national recognition — Top 8 at Techo Startup Center and 3rd Place in Youth 21 Cambodia hosted by the Ministry.
Contributed to full-stack development of a Hospital Management System, handling patient records, appointment workflows, and administrative modules. Maintained and enhanced legacy codebases, ensuring system stability and adherence to functional requirements across both backend logic and frontend interfaces.
Built a dynamic CV template engine enabling users to auto-generate professional CVs through a structured data input flow. Engineered a PDF conversion pipeline that transformed web-based templates into formatted, downloadable documents — significantly reducing manual document preparation overhead.
Developed and maintained an Admin Dashboard Management system for internal operational oversight. Conducted requirement analysis and implemented RESTful APIs powering an E-Ticket System and a School Management System, supporting student enrollment, scheduling, and institutional data workflows.