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I will do mobile app development as mobile app developer
Hao Nguyen
About this gig
Looking for an experienced developer to build or improve your mobile app?
I build reliable and user-friendly mobile applications for both iOS and Android, with a strong focus on backend integration and real-world business requirements.
What I Can Help With
- Custom React Native mobile app development
- Android & iOS applications
- Responsive and user-friendly UI
- REST API integration
- Backend development and database integration
- User authentication and authorization
- Payment gateway integration
- Third-party API integration
- Admin panel development
- Bug fixing and performance optimization
Why Work With Me?
- 3 month of ongoing support
- 24/7 available
- Cutting-Edge Technologies.
My Main Technologies
- Mobile: React Native, Expo
- Backend: PHP, Laravel, Ruby on Rails, Node.js
- Database: MySQL, PostgreSQL, MongoDB
Let's discuss your project and find the right solution together.
Get to know Hao Nguyen
Hao Nguyen
Fullstack Web Developer
- FromVietnam
- Member sinceJun 2026
- Avg. response time1 hour
Languages
English
I’m a Full-Stack Web Developer with 8+ years of experience helping clients turn their ideas and requirements into reliable, scalable web solutions. I work with PHP, Laravel, Ruby on Rails, JavaScript, React, and Vue.js. Whether you need a new feature, custom functionality, API integration, payment gateway, performance optimization, or bug fixing, I can help you find the right solution and bring your requirements to life. Let’s build it together!
My Portfolio
FAQ
Can you develop both Android and iOS apps?
Yes. I can develop cross-platform mobile applications using React Native and Expo for both Android and iOS.
Can you develop the backend as well?
Yes. I have extensive backend experience with PHP, Laravel, Ruby on Rails, and Node.js. I can develop APIs, database structures, authentication, and admin functionality when required.
Can you integrate third-party services or APIs?
Yes. I can integrate third-party APIs and services based on your project requirements, including payment, authentication, notifications, and AI/LLM APIs.
Can you integrate payment gateways?
Yes. I have experience integrating payment services, including payment processing, IPN/webhooks, refunds, and related business logic.
Can you provide support after delivery?
Yes. I provide post-delivery support to help with bug fixes and issues related to the delivered work. The exact support period depends on the selected package.
