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I will build your react native mobile app for ios and android using expo
Kolawole I
About this gig
Looking for an expert engineer to turn your vision into a production-ready iOS and Android app?
I am a full-stack software engineer specializing in cross-platform mobile development with React Native, Expo, and TypeScript. Whether you need an MVP built from scratch, native module integration (Java/Swift), or store deployments, I deliver clean, maintainable, and high-performance code.
What I Offer:
- Custom Mobile Apps: End-to-end development using React Native and Expo Router
- Native Integrations: Custom Java/Swift bridges, hardware/POS integrations, and Expo config plugins.
- Backend & APIs: Seamless REST, WebSockets, Firebase, and PostgreSQL integrations.
- Monetization & Maps: In-app purchases (RevenueCat, Stripe, Paystack), geofencing (Radar), and real-time mapping.
- Deployment: EAS Build/Update setups, App Store Connect, and Google Play Console publishing.
Why Work With Me?
- Clean Architecture: Strict TypeScript practices for scale.
- Full Ownership: From database setup to app store submission.
- Proven Delivery: Experience building travel marketplaces, AI fitness apps, and gaming ecosystems.
- Please message me before placing an order so we can discuss your project scope!
Get to know Kolawole I
Kolawole I
- FromNigeria
- Member sinceMay 2021
- Avg. response time1 hour
- Last delivery4 years
Languages
English
Need a developer who can take an idea from concept to production? I’m a full-stack and mobile developer with 3+ years of experience building real-world web and mobile products. I work with React, Next.js, React Native, Node.js, TypeScript, Python, and PostgreSQL, with experience in APIs, payments, cloud deployment, admin systems, and third-party integrations. I focus on clean, scalable code, performance, and delivering solutions that actually work.
My Portfolio
FAQ
Do you build apps using Expo or Bare React Native?
I specialize in modern Expo workflows using Expo Router, EAS Build, and custom Config Plugins. If native code is required, I build custom Java or Swift native bridges without detaching from Expo, keeping your app maintainable and reproducible across builds.
Can you handle the deployment to Apple App Store and Google Play Store?
Yes! I manage the full release pipeline using EAS Build/Update, App Store Connect, and Google Play Console to ensure your application gets approved and published smoothly.
Do you design the app, or do I need to provide designs?
I implement provided UI/UX designs from Figma, Adobe XD, or wireframes. If you don't have complete designs, I can build clean, modern interfaces using NativeWind (Tailwind CSS) based on standard platform guidelines.
Can you integrate external APIs, payment gateways, and databases?
Absolutely. I routinely integrate REST APIs, WebSockets, payment processors like Stripe and Paystack, in-app subscriptions via RevenueCat, and backend systems built on Node.js or PostgreSQL.
What happens if I find bugs after the project is completed?
Every package includes post-delivery support to address any bugs or performance issues within the agreed project scope. Long-term maintenance and new feature updates can also be provided as needed.
