Hout Penhey
Full-Stack Developer (Mobile & Web)
Profile
I am a Full-Stack Developer with previous experience in mobile application development. I build responsive web interfaces, scalable backend systems, APIs, databases, and reliable mobile applications—delivering complete digital products from idea to deployment.
Experience
Full-stack Developer · Bill24
Dec 2025 — Dec 2026Phnom Penh
- Built end-to-end features across Solar, EAC App, E-Power Maps, and Mobile Billing using Flutter, Next.js, .NET, and SQL-backed APIs.
- Connected frontend flows to backend services, modeled data, integrated REST APIs, and supported production releases.
- Improved product reliability through bug fixes, performance tuning, and maintenance against live customer data.
Junior Developer · Bill24
Dec 2023 — Dec 2025Phnom Penh
- Started as a junior developer while studying Computer Science, turning coursework in programming, databases, and software engineering into real product work.
- Supported Flutter mobile screens, web UI, API integration, and testing for internal and customer-facing E-Power products.
- Learned production workflows with GitLab, Docker, debugging, code review, and cross-team collaboration.
Developer (Freelance) · Max Freelance Team
Jun — Dec 2025Remote · Phnom Penh
- Joined Max's freelance team to build a House IoT product — smart-home device control, telemetry, and a companion mobile experience.
- Worked on the developer side end-to-end: device integration, data pipelines from sensors, and feature flows in the app.
- Coordinated with a distributed freelance team on delivery cadence, code reviews, and shared environments.
UX / UI Designer (Freelance) · Freelance Team
Feb — Apr 2024NU Students · Phnom Penh
- Joined a freelance team of NU (Norton University) students to design an Online Coffee Shop website.
- Led UX flows and high-fidelity UI: home, menu, product detail, cart, and checkout — including responsive behavior.
- Produced design specs and handed off assets to the engineering side of the team.
Selected Work
Android Payment SDK
Reusable payment SDK that merchant Android apps embed to take payments — checkout screens, payment flows, and result handling exposed behind a small integration surface.
HubPortal
Full-stack web portal covering day-to-day operations — account and transaction management, reporting, and the admin tooling the team works in.
GoodVibes POS
Point-of-sale product for merchants — sales and order handling, payment capture, and the back-office screens for managing catalogue and reporting.
Bank Payment
Mobile payment experience connecting customers to bank payment rails — payment flows, confirmation and receipt screens, and transaction history.