I will do hybrid app development in flutter with supabase rls security audit and review


About this gig
Facing app store rejections, code bugs, or worried your database is leaking data? I specialize in high-performance hybrid Flutter app development, code reviews, and Supabase RLS security audits to build secure, responsive mobile apps.
WHAT I OFFER:
- Hybrid Flutter App Development: Clean, modern UI/UX design with smooth performance across iOS & Android.
- Supabase RLS Security Audit: Enabling strict Row-Level Security (RLS) policies to protect user data from API leaks.
- Smart Integrations: API connections, AI features (OpenAI/Claude chatbot, voice), and Stripe/RevenueCat payments.
- Code Review & Maintenance: Fixing Gradle, Xcode, and UI rendering errors. Turnkey App Store & Play Store publishing.
MY TECH STACK:
- Mobile: Flutter, Dart, React Native, Expo
- Backend: Supabase, Firebase, Node.js, Postgres
- AI & Automation: OpenAI, LangChain, n8n, Make
- Auth & Pay: Stripe, RevenueCat, Supabase Auth
I do not deliver buggy, half-finished code. I build highly secure, fully optimized, and thoroughly tested mobile architectures designed to scale.
Please message me with your project details or code repository links BEFORE ordering so we can map out your solution!
Get to know Caleb Flutter
Flutter React Native Developer
- FromNigeria
- Member sinceJul 2026
- Avg. response time2 hours
Languages
English, French, Spanish
My Portfolio
FAQ
What do you need from me to start the project?
I will need your app idea, features list, reference apps (if any), and design preferences. If you are not sure, I can guide you.
Do you develop both Android and iOS apps?
Yes, I develop cross-platform mobile apps using React Native that work on both Android and iOS.
Can you help me build an app from scratch?
Absolutely. I can take your idea and turn it into a complete mobile application from planning to development.
Do you provide app design (UI/UX)?
Yes, I can design clean and modern UI for your app based on your requirements.
Can you build a complete mobile app from idea to launch?
Yes, I can help turn your app idea into a complete mobile application, including app planning, UI design, feature development, backend setup, API integration, testing, and deployment support for Android and iOS.
Can you improve or redesign my existing mobile app UI?
Yes, I can redesign your existing mobile app with a modern, clean, and smooth UI. I can improve screen layout, navigation flow, user experience, colors, spacing, buttons, and overall app presentation.
Can you fix bugs in my Flutter or React Native app?
Yes, I can fix bugs in Flutter and React Native apps, including UI issues, crash problems, login errors, API issues, navigation bugs, performance problems, and feature-related errors.
Can you integrate payment gateways into my mobile app?
Yes, I can integrate payment gateways into your mobile app based on your requirements, such as Stripe, PayPal, in-app payments, subscription systems, checkout flow, or other supported payment solutions.

