Remote Senior React Native Mobile Developer (Web3 / Blockchain Integration)

We are looking for an experienced Senior Mobile Developer to build the mobile version of our Web3 on-chain job marketplace platform. The current web application is built with React, and we plan to develop the mobile app using React Native to maintain architectural consistency across platforms.

The developer will be responsible for implementing the mobile application for both iOS and Android, integrating wallet authentication, blockchain transactions, and escrow workflows into a seamless mobile experience.

Responsibilities

- Develop and maintain the mobile application using React Native

- Integrate blockchain wallet connections and transaction flows

- Implement mobile UX for escrow funding, milestone payments, and job workflows

- Ensure smooth performance across iOS and Android devices

- Collaborate with backend, frontend, and smart contract engineers

- Test and deploy builds for App Store and Google Play

Requirements

- Strong experience with React Native development

- Experience building apps for both iOS and Android

- Familiarity with Web3 / blockchain integration (wallet connection, signing transactions)

- Experience integrating wallets or crypto transactions in mobile apps

- Ability to work with existing React-based frontend architecture

- Experience with REST APIs and backend integrations

Development Environment Requirements

Candidates should have:

- MacOS development environment

- Apple Developer Account

- Experience using TestFlight for iOS testing

- Experience with Android Studio for Android builds and testing

Engagement

- Contract / Project-based role

- Remote collaboration

- Flexible hourly or milestone-based structure

If you have experience building mobile apps with blockchain integrations, we would love to discuss the project with you.