Expert Mobile App Developer (React Native & AI Development) | Flutter, Kotlin & Swift

We are looking for an experienced Senior Mobile App Developer with strong expertise in React Native and AI-powered application development for a part-time, long-term engagement. You will work on complex mobile applications across multiple industries, including SaaS, fintech, healthcare, fitness, e-commerce, marketplaces, social networking, IoT, real estate, and AI-powered products. We need someone who can go beyond basic app development, understand complex product requirements, make sound technical decisions, and deliver scalable, secure, and production-ready applications. Core Technical Requirements Primary Expertise: React Native and TypeScript Advanced mobile app architecture and state management AI integrations using OpenAI APIs, LLMs, AI agents, chatbots, and intelligent workflows REST APIs, GraphQL, WebSockets, and third-party integrations Firebase, Supabase, databases, and backend integrations Performance optimization, debugging, and app deployment Secondary Expertise: Flutter and Dart Native Android development using Kotlin Native iOS development using Swift, SwiftUI, and UIKit CI/CD, automated testing, and app publishing Experience & Expectations 5+ years of professional mobile app development experience. Strong hands-on experience building and launching complex React Native applications. Proven experience integrating AI capabilities into real-world mobile products. Understanding of scalable architecture, security, API integrations, and performance optimization. Ability to work across different industries and adapt to diverse product requirements. Strong analytical thinking and independent problem-solving abilities. Excellent written and verbal communication skills. Ability to take ownership of projects, communicate technical decisions, and work directly with clients when required. Work Arrangement & Budget This is a part-time, ongoing engagement on a fixed weekly retainer basis. The budget displayed in this job post is for demonstration purposes only and is not the actual budget. Please propose your own realistic weekly retainer based on your experience, expertise, and availability. Clearly mention: Your proposed fixed weekly budget. Number of hours you can commit per week. Your availability and preferred working arrangement. How to Apply Generic AI-generated, copy-paste proposals will be ignored directly. We are looking for genuine technical professionals who can demonstrate real experience, not just list technologies. Please include the following in your application: Your updated CV or resume. Portfolio and links to React Native applications you have developed. GitHub profile or relevant code samples. Your hands-on experience with React Native, AI development, Flutter, Kotlin, and Swift. Two or three complex projects you have worked on, including your role, technical challenges, and solutions. Your approach to building scalable mobile applications and integrating AI capabilities. Your proposed weekly retainer, available hours, and availability. Final Note We are looking for a highly capable engineer who can become a reliable long-term technical resource across multiple products and industries. If you have strong React Native expertise, practical AI development experience, excellent communication, and the ability to take ownership of complex engineering challenges, we would like to hear from you. Serious and experienced professionals only. Please apply with a personalized proposal addressing the requirements above.