Safi D.
Waterloo, Canada
100%
Job Success
Top Rated Plus
Mobile App Developer: React Native | Flutter | AI | ML
$50.00/hr
🔝 Top Rated 1% React Native Expert on Upwork
⭐️ 6+ Years of Mobile App Development Experience
⭐️ Successfully Delivered Projects to 40+ Happy Clients
⭐️ Available 40 Hours/Week (Timezones: EST | IST | PT | ET)
🚀 Lightning-Fast Response Times
💯 100% Job Success Rating Awarded by Clients
⭐️ Expertise in Building MVPs to Scalable Enterprise Solutions
As a Senior React Native Developer with 6 years of experience, I offer comprehensive expertise in mobile app development, from conception to deployment. My skills extend beyond coding to encompass team leadership and project management, ensuring the successful delivery of complex, scalable applications.
Core Competencies:
• React Native, Expo, JavaScript/TypeScript
• Redux, MobX for state management
• RESTful APIs and GraphQL integration
• Native module development (iOS/Android)
• Performance optimization and debugging
• UI/UX implementation with React Native components
Technical Proficiencies:
• Cross-platform development: React Native, Expo and Fluter
• Version Control: Git, BitBucket, GitHub, GitLab
• CI/CD: Jenkins, CircleCI, Fastlane
• Cloud Services: Firebase, AWS Amplify
• Testing: Jest, Detox, React Native Testing Library
Professional Strengths:
• Agile methodology implementation for medium to large-scale projects
• Native English speaker with excellent communication skills
• Focus on code quality, scalability, and maintainability
• Expertise in app architecture and design patterns
• Timely delivery of high-quality, performant mobile applications
• Commitment to continuous learning and staying updated with React Native ecosystem
As a Top Rated Plus freelancer, I consistently deliver exceptional results that exceed client expectations. My background in customer service has honed my skills in professionalism, empathy, and ensuring client satisfaction.
I'm passionate about creating innovative mobile solutions that drive business growth. Let's discuss how I can contribute to your project's success.
Work history
Work history
Experienced React Native Developer for App Migration, M1 Chip Compatibility & Package Upgrades
Oct 11, 2023
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Feb 26, 2025
"This developer has been an exceptional find for our team. Initially hired to update an outdated React mobile app, he quickly discovered the extent of technical debt and effectively rebuilt…
Private earnings
React Native app development
Oct 3, 2023
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Jan 27, 2025
"Safi is the single best resource we have found on Upwork. He is a conscientious and diligent worker, he communicates well, he worked in harmony with every other member of…
Private earnings
I'm looking for a React Native expert to help debug
Jun 15, 2023
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Jan 14, 2024
"Safi was an excellent React Native developer with great communication skills. It was a pleasure working with him and I'll definitely go to him if I need to hire a…
Private earnings
Efficient React Native Dev for Interactive Component Build
Dec 5, 2023
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Dec 29, 2023
"Safi was a pleasure to work with. He delivered quality results on short notice and was willing to work outside of his comfort zone to accommodate the unique needs of…
Private earnings
Architect In React Native
May 2, 2023
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Dec 28, 2023
No feedback given
Private earnings
React Native Module Development
Oct 7, 2023
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Dec 28, 2023
"Outstanding performance!, Safi deliver all required points and help us all time need it his support, always professional, really high skilled and friendly to help out. highly recommended!"
Private earnings
React Native developer for Med Tech Company
Jun 26, 2023
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Aug 7, 2023
"It was a pleasure working with Safi for a second contract. He was very keen in making sure that the project deliverables were met and quickly fixed the bugs that…
Private earnings
Expert React Native Developer
May 31, 2023
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Jul 20, 2023
"I recently hired Safi Deraiya to develop several React Native apps for my company. Safi was incredibly professional and easy to work with. He was always responsive to my messages…
Private earnings
Fix bug in React Native application
Apr 18, 2023
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Jul 8, 2023
No feedback given
Private earnings
Service Industry App Marketing Integrations
Jan 27, 2023
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Jul 6, 2023
"Upfront: Safi is the best front end developer you will find anywhere. Safi changed our business completely. Previously, we had been working with an app development company in India that…
Private earnings
Cross-Platform Mobile App (iOS & Android) for Document Upload – Tax Preparation Business
Jul 16, 2025
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Present
Job in progress
Private earnings
React Native Developer
Apr 10, 2025
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Present
Job in progress
Private earnings
React Native Mobile App
Dec 16, 2023
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Present
Job in progress
Private earnings
Mobile app refinement iOS Android/Play
Jun 26, 2023
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Present
Job in progress
Private earnings
React Native - Re-task Sample App and map to existing Back End.
May 19, 2023
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Present
Job in progress
Private earnings
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Skills
Skills
- JavaScript
- React
- Push Notifications
- In-App Purchases
- API Integration
- iOS Development
- React Native
- iOS
- Android
- AI Mobile App Development
- Redux
- Mobile UI Design
- OpenAI Codex
- Initial Coin Offering
- Flutter
Project catalog
Get started working with Safi quickly with these predefined projects.
Get started working with Safi quickly with these predefined projects.
You will get Firebase Push Notifications into your React Native app
From $99
2 days delivery