Zin Oo

Full-Stack Web Developer

I build thoughtful, user-friendly web experiences.

About Me

Portrait of Zin Oo

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

Smart Taung Thu logo

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.

UNDP eLearning portal for MSMEs logo

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.

Sedona Hotel Yangon logo

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

A Insurance
ALife
Aryu
Ayasompo
For Foodie
Pun Hlaing
Sedona
UNDP