Flutter Developer (Crypto Wallet, Web3)

GoMining is an international crypto company creating products at the intersection of Bitcoin mining, digital assets, and Web3.

We are now launching a new cross-platform Web3 wallet - a secure, simple, and flexible tool for storing BTC and other networks, built into the main GoMining app..

Current task

• We are looking for a Flutter developer to join the core team to help us:

• Design and implement a universal mobile wallet (BTC + EVM)

• Integrate the wallet into our main application via WebView/TWA

• Implement secure storage of seed phrases, connection to dApps, and future multi-network support

• Create a flexible and native UI (or custom design) with a focus on Web3 UX

What you will do

• Develop and support Flutter application (iOS / Android)

• Designing the wallet architecture and interaction with the main application

• Integration of Web3 infrastructure (BIP39, WalletConnect, bitcoin_flutter, web3dart, etc.)

• Connecting Firebase, analytics, push notifications, secure storage

• UX optimization, working with design and microinteractions

• Participation in releases, CI/CD, builds, testing

Requirements

• 2+ years of Flutter development experience

• Confident knowledge of Dart, architectural approaches (Bloc, Riverpod, Provider, MVC)

• Experience publishing applications in the App Store / Google Play

• Experience with REST API, WebSockets

• Understanding of security on mobile devices (keychain, secure storage)

• Ability to work autonomously, without micromanagement

Will be a plus

• Experience with crypto or fintech projects

• Experience with Web3 integrations: WalletConnect, ethers.js/web3dart, hardware wallets

• Knowledge of HD Wallets architecture (BIP32/39/44)

• Experience implementing multi-network wallets (Bitcoin, Ethereum, Tron, etc.)

• Experience embedding Flutter modules into native applications or WebView integrations

• Understanding of UX of Web3 products and specifics of the crypto audience

What we offer

1. Opportunity to influence the architecture and development of a new crypto product

2. Full remote, flexible schedule, team without bureaucracy

3. Work in a crypto company with real traction

4. Competitive compensation in USDT/fiat

5. Opportunity to become a technical lead/CTO of the direction