Senior Bitcoin/JS Developer

Responsibilities • Write code for a new open source bitcoin wallet based on JS/chrome extension • Communicate with electrum SPV server to get transaction/balance data • Write modular and optimize core engine that does various tasks like create wallet, send/receive bitcoin • Code extensive unittest cases that ensure security/correctness of each module • Implement frontend screens provided by the design team Required Skills • Proven experience in contributing to well-known open source Bitcoin projects. • Strong understanding of Bitcoin protocol and wallet internals and security • Proficiency in JavaScript for development tasks • Deep understanding of cryptography / web security • Comfortable with HTML/CSS Nice to Have • Previous experience in developing Chrome extensions.