Senior React Native Engineer for Production-Ready Apps by Marvin DangSenior React Native Engineer for Production-Ready Apps by Marvin Dang
Senior React Native Engineer for Production-Ready AppsMarvin Dang
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I build production-ready iOS and Android apps for startups and growing teams, from MVP to scale. With 15+ years of experience and deep expertise in React Native, TypeScript, and system architecture, I focus on performance, reliability, and clean long-term design. Clients work with me for senior-level ownership, clear communication, and results that ship.

What's included

Production-Ready Mobile Application (iOS & Android)
A fully functional, high-performance mobile application built for iOS and Android using React Native (or native if required). The app follows best practices for scalability, security, and maintainability. • Source code (GitHub repository) • Clean, modular architecture with TypeScript • State management, navigation, and API integration • Optimized performance and memory usage • Tested on real devices Format: GitHub repo + signed builds Revisions: Up to 2 revision rounds per milestone
Backend & API Integration
Secure and scalable integration with backend services, including REST or GraphQL APIs, authentication, payments, and third-party SDKs as required by the product. Includes: • API integration and data modeling • Authentication (OAuth, magic links, JWT, etc.) • Payments, notifications, analytics, or AI integrations (if applicable) • Environment configuration (dev / staging / prod) Format: Code + configuration documentation Revisions: Included during development phase
App Store & Play Store Release Package
Complete preparation for public or private release on Apple App Store and Google Play Store. Includes: • Store-ready builds (TestFlight & Play Console) • App signing & bundle configuration • Store metadata guidance (screenshots, descriptions, compliance) • Release checklist and handoff notes Format: Store builds + release documentation Revisions: 1 final release adjustment
Technical Documentation & Handoff
Clear documentation to ensure smooth handoff and long-term maintainability for internal teams or future developers. Includes: • Project architecture overview • Setup & local development instructions • Deployment & CI/CD notes • Known limitations & future improvement suggestions Format: Markdown / Notion / Google Docs Revisions: 1 revision
Post-Delivery Support
Short-term support after delivery to address critical issues and ensure a smooth launch. Includes: • Bug fixes for launch-blocking issues • Minor adjustments based on real-world usage • Technical Q&A and guidance Duration: 1–2 weeks (configurable)
Starting at$60 /hr
Service provided by
Marvin Dang Milwaukee, USA
Senior React Native Engineer for Production-Ready AppsMarvin Dang
Starting at$60 /hr
Cover image for Senior React Native Engineer for Production-Ready Apps
I build production-ready iOS and Android apps for startups and growing teams, from MVP to scale. With 15+ years of experience and deep expertise in React Native, TypeScript, and system architecture, I focus on performance, reliability, and clean long-term design. Clients work with me for senior-level ownership, clear communication, and results that ship.

What's included

Production-Ready Mobile Application (iOS & Android)
A fully functional, high-performance mobile application built for iOS and Android using React Native (or native if required). The app follows best practices for scalability, security, and maintainability. • Source code (GitHub repository) • Clean, modular architecture with TypeScript • State management, navigation, and API integration • Optimized performance and memory usage • Tested on real devices Format: GitHub repo + signed builds Revisions: Up to 2 revision rounds per milestone
Backend & API Integration
Secure and scalable integration with backend services, including REST or GraphQL APIs, authentication, payments, and third-party SDKs as required by the product. Includes: • API integration and data modeling • Authentication (OAuth, magic links, JWT, etc.) • Payments, notifications, analytics, or AI integrations (if applicable) • Environment configuration (dev / staging / prod) Format: Code + configuration documentation Revisions: Included during development phase
App Store & Play Store Release Package
Complete preparation for public or private release on Apple App Store and Google Play Store. Includes: • Store-ready builds (TestFlight & Play Console) • App signing & bundle configuration • Store metadata guidance (screenshots, descriptions, compliance) • Release checklist and handoff notes Format: Store builds + release documentation Revisions: 1 final release adjustment
Technical Documentation & Handoff
Clear documentation to ensure smooth handoff and long-term maintainability for internal teams or future developers. Includes: • Project architecture overview • Setup & local development instructions • Deployment & CI/CD notes • Known limitations & future improvement suggestions Format: Markdown / Notion / Google Docs Revisions: 1 revision
Post-Delivery Support
Short-term support after delivery to address critical issues and ensure a smooth launch. Includes: • Bug fixes for launch-blocking issues • Minor adjustments based on real-world usage • Technical Q&A and guidance Duration: 1–2 weeks (configurable)
$60 /hr