Zin Oo
Full-Stack Web Developer
I build thoughtful, user-friendly web experiences.
About Me

Hi, I'm Zin Oo, a full-stack web developer with over four years of experience creating web applications for healthcare, hospitality, insurance, food delivery, and eLearning. I enjoy solving problems and bringing creative ideas to life through thoughtful, easy-to-use digital experiences. From building APIs and databases with Node.js, Express, C#, and ASP.NET Core to crafting responsive interfaces with React and Blazor, I bring curiosity and care to every project.
Education
Bachelor of Engineering in Information Technology
Technological University Mandalay (TUM)
Dec 2017 - Oct 2019
Bachelor of Technology in Information Technology
Technological University Mandalay (TUM)
Dec 2013 - Oct 2017
Experience
Freelance
Dec 2024 - Present
Freelance Developer
Built end-to-end web applications and collaborated directly with clients to deliver scalable, high-quality solutions on time.
BIM Advanced Technology Services Co.,Ltd
Jul 2024 - Present
Mid-Senior Application Developer
Maintained and enhanced enterprise systems for hospitals, hotels, and food delivery platforms under AMC (Annual Maintenance Contract) projects, addressing bug fixes, change requests, and ensuring smooth daily operations. Contributed to backend development for new projects, including API implementation, system integrations, UAT, and live deployments. Collaborated closely with cross-functional teams and mentored junior developers, improving code quality and overall team productivity.
BIM Advanced Technology Services Co.,Ltd
Mar 2023 - Jun 2024
Web Developer
Built scalable web applications with Blazor and React.js, developing secure APIs and backend services with C# and ASP.NET Core. Deployed on Azure Web Apps and IIS, ensuring high performance, security, and scalability. Collaborated with cross-functional teams to optimize systems, while mentoring interns and promoting best coding practices.
Projects

2025 - 2026
Smart Taung Thu
Contributed to approximately 70% of the API and backend development for a Flutter mobile app and admin dashboard. Designed the database, organized the backend structure, integrated OTP authentication through SmsPoh, and refactored code to improve maintainability.

2024 - 2026
UNDP eLearning portal for MSMEs
Developed the APIs for the admin portal and Flutter app, and addressed existing bugs and security vulnerabilities. Implemented profile completion and Google authentication, integrated Mailjet for email delivery, and managed UAT and production deployments.

2024 - 2026
Sedona Hotel Yangon
Developed a hotel loyalty program with APIs for administration and customer features, including user and program management, profiles, rewards, reservation status, and points. Built a React admin panel for analytics and configuration, implemented fixed-point logic, and supported UAT and production releases. Mentored a junior developer during delivery.
The Brands I've Worked With







