Senior Blockchain Developer

Summary

Join Tether, a leader in digital finance, and become a Senior Blockchain Engineer. You will contribute to the development of a wallet development kit, an open-source tool for integrating various cryptocurrency primitives into diverse projects. This role demands expertise in designing and implementing modular non-custodial wallet libraries, developing wallet modules for various blockchain protocols, and creating reliable payment processing systems. The ideal candidate possesses strong experience in building non-custodial cryptocurrency wallets and a deep understanding of blockchain principles. Tether offers a global, remote work environment and the opportunity to collaborate with leading minds in the fintech industry.

Requirements

• Strong experience building non-custodial cryptocurrency wallets and key management systems
• Deep understanding of blockchain principles like the UTXO model
• Hands-on experience running and maintaining blockchain nodes (Bitcoin, Ethereum, etc.)
• Deep understanding of P2P networking concepts and distributed systems
• Strong focus on security best practices and cryptographic principles
• Advanced JavaScript/Node.js expertise, including: Modern ES6+ features and async programming
• Advanced JavaScript/Node.js expertise, including: Buffer handling and cryptographic primitives
• Advanced JavaScript/Node.js expertise, including: WebSocket/REST/RPC API interactions
• Test-driven development practices
• Understanding of Node.js runtime architecture

Responsibilities

• Design and implement modular non-custodial wallet libraries with support for multiple cryptocurrencies for mobile, web and server using Javascript
• Develop and integrate wallet modules for various blockchain protocols with focus on security and key management
• Create reliable payment processing systems that interface directly with blockchain nodes

Preferred Qualifications

• Experience with hardware wallet integration
• Familiarity with P2P technologies like Bitorrent/DHT/Holepunch
• Knowledge of BIP standards (BIP32, BIP39, BIP44, etc.)
• Familiarity with Layer 2, token, DeFi protocols

Benefits

Remote work