CareerPlan

React Native Developer (Web3 / Crypto)

UruguayRemoteFull-time2026-10-19 → 2026-11-10
Hybrid · Uruguay

Core

Architecting and developing scalable mobile applications for iOS and Android that integrate blockchain-based technologies, wallets, and decentralized application flows.

Role type

Senior IC React Native developer (Web3/Crypto)

Builds

Mobile products integrating Web3 features and blockchain interactions

Domain

Fintech / Web3 / Blockchain

Deliverable

production ML models | product features

Required skills

React Native, TypeScript, JavaScript, Web3 wallet integrations, Blockchain SDKs, REST APIs, Mobile security best practices

Preferred skills

Smart contract understanding, ethers.js, web3.js, Mobile encryption/key management

Technologies

React Native, MetaMask, WalletConnect, Phantom, Ethereum, Polygon, Solana

Responsibilities

Build pixel-perfect, responsive mobile UIs; Architect and develop scalable mobile applications; Integrate Web3/Crypto features (wallet connections, transaction signing); Work with blockchain SDKs and Web3 providers; Collaborate with backend and smart contract teams; Diagnose and fix bugs/performance bottlenecks; Maintain clean, documented code and write automated tests.

Seniority

Senior, hands-on IC