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Nederlands
$
USD
I will build mobile app development app developer flutter react native ai app creation
Jason Hammer
Level 2
4,9
4,9
Over deze dienst
Premium Mobile App Development | iOS, Android & Flutter
Have a great app idea and need a team that can turn it into a polished, launch-ready product?
I'm Jason, CO-Founder of Onism a product-focused software development agency specializing in high-quality mobile applications.
We build modern iOS and Android apps with a strong focus on UI/UX, performance, scalability, and clean engineering. From MVPs to full-featured applications and website-to-app transformations, we handle the product journey from concept to launch.
What We Build
- iOS & Android Applications
- Flutter & Cross-Platform Apps
- Custom UI/UX Design
- Backend & API Integration
- Web-Based Admin Panels
- App Store & Google Play Deployment
Why Me?
- Founder-Led Quality: Every project receives direct strategic oversight.
- Custom Development: No templates or shortcuts just clean, maintainable code.
- Scalable Architecture: Built with future growth and new features in mind.
- Launch Support: 60 days of post-launch maintenance included.
Whether you're validating an MVP or building your next serious product, well help turn your vision into a mobile experience that looks great, performs reliably, and is built to scale.
Maak kennis met Jason Hammer
Jason Hammer
Building high performance apps that move industries forward
Level 2
- Afkomstig uitPakistan
- Lid sindsnov 2019
- Gem. reactietijd1 uur
- Laatste levering1 maand
Talen
Engels
With 7+ years of experience, I build polished mobile products designed for real-world users and business growth. My work spans food delivery, fitness, social, and e-commerce, including apps featured on TechCrunch, Google Play’s Top 10, and App Store’s “App of the Day”.
I specialize in React Native and Flutter, building fast, scalable iOS and Android apps with clean UX and reliable performance. Whether you’re launching an MVP or scaling an existing product, I focus on one thing: turning your idea into a premium mobile experience that users love.
Mijn portfolio
Reviews
75 reviews van deze dienst
| (73) | ||
| (0) | ||
| (1) | ||
| (1) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
Meest relevant
S sorrynomike
Verenigde Staten
Lopende samenwerkingJason delivered a complete full-stack iOS and Android app, and I could not be happier with him or the entire experience. I came in with an idea, and Jason truly helped me bring that vision to life. He built the whole thing in React Native and Expo with a TypeScript and Redux codebase, stood up a Supabase...
US$ 1.000-US$ 2.500
Prijs
1 dag
Looptijd
Nuttig?S snackooze
Verenigd Koninkrijk
Lopende samenwerkingAlways a pleasure working with Jason. He has been extremely helpful in completing the project within the scope and time agreed
US$ 400-US$ 600
Prijs
8 dagen
Looptijd
Nuttig?T trellisapps
Verenigde Staten
Excellent experience. Very satisfied with the outcome. Highly recommend Jason’s service.
US$ 1.000-US$ 2.500
Prijs
3 dagen
Looptijd
Nuttig?S sorrynomike
Verenigde Staten
Lopende samenwerkingCan't go wrong here. Great experience working together.
US$ 100-US$ 200
Prijs
1 dag
Looptijd
Nuttig?S sorrynomike
Verenigde Staten
Lopende samenwerkingI've been working with Jason for just about a month. In that time he has delivered four milestones to my exact specifications. I came into this project with no technical background and a build that included React Native, Supabase edge functions, AsyncStorage persistence, RevenueCat paywall integration,...
US$ 1.000-US$ 2.500
Prijs
1 dag
Looptijd
Nuttig?
Reviews
75 reviews van deze dienst
| (73) | ||
| (0) | ||
| (1) | ||
| (1) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
Meest relevant
S sorrynomike
Verenigde Staten
Lopende samenwerkingJason delivered a complete full-stack iOS and Android app, and I could not be happier with him or the entire experience. I came in with an idea, and Jason truly helped me bring that vision to life. He built the whole thing in React Native and Expo with a TypeScript and Redux codebase, stood up a Supabase...
US$ 1.000-US$ 2.500
Prijs
1 dag
Looptijd
Nuttig?S snackooze
Verenigd Koninkrijk
Lopende samenwerkingAlways a pleasure working with Jason. He has been extremely helpful in completing the project within the scope and time agreed
US$ 400-US$ 600
Prijs
8 dagen
Looptijd
Nuttig?T trellisapps
Verenigde Staten
Excellent experience. Very satisfied with the outcome. Highly recommend Jason’s service.
US$ 1.000-US$ 2.500
Prijs
3 dagen
Looptijd
Nuttig?S sorrynomike
Verenigde Staten
Lopende samenwerkingCan't go wrong here. Great experience working together.
US$ 100-US$ 200
Prijs
1 dag
Looptijd
Nuttig?S sorrynomike
Verenigde Staten
Lopende samenwerkingI've been working with Jason for just about a month. In that time he has delivered four milestones to my exact specifications. I came into this project with no technical background and a build that included React Native, Supabase edge functions, AsyncStorage persistence, RevenueCat paywall integration,...
US$ 1.000-US$ 2.500
Prijs
1 dag
Looptijd
Nuttig?
