Blockchain and Wallet Engineer

Republic • Full-time • Remote (US-Remote | UK-Remote) • 11h ago

About Republic

Republic Crypto is at the forefront of blockchain innovation, offering a comprehensive suite of services to empower the next generation of tokenized assets. Our mission is to bridge the gap between traditional finance and the decentralized economy through cutting-edge technology and strategic advisory services. By working with leading blockchain platforms, projects, and protocols, we aim to redefine the financial landscape.

Republic Crypto is seeking an accomplished Wallet & Smart Contract Engineer to join our innovative and collaborative team. Reporting to CTO, Brian Aznar, you will be instrumental in designing, implementing, and optimizing secure, multi-chain wallet solutions and smart contracts. This role emphasizes wallet engineering expertise, requiring hands-on experience in building and integrating blockchain-enabled wallet technologies. You will also engage cross-departmentally with Republic Wallet, Republic Product, and other blockchain-enabled teams to ensure cohesive and cutting-edge solutions.

What you’ll do

Develop, deploy, and maintain secure, high-performance smart contracts across multiple blockchain platforms.
Design and implement wallet engineering solutions, focusing on multi-chain compatibility, private key management, and seamless user authentication.
Collaborate with Republic Wallet and other blockchain-enabled departments to ensure alignment of technical development with strategic goals.
Partner with the Republic Product and advisory teams to drive innovation and deliver enterprise-grade blockchain solutions.
Conduct rigorous testing, debugging, and audit-lifecycle management of wallet integrations and smart contracts to ensure security and reliability.
Research emerging blockchain technologies and trends to inform development strategies, with an emphasis on scalability and interoperability.
Prepare and maintain comprehensive technical documentation, including system architecture, workflows, and operational protocols.

Our ideal candidate

Proven experience as a blockchain protocol engineer with a strong emphasis on wallet engineering.
Extensive knowledge of blockchain protocols, particularly Ethereum and EVM-compatible chains, with experience in multi-chain integration.
Expertise in Typescript / Javascript
Expertise in wallet development, including secure private key management, user authentication, and integration with decentralized applications.
Familiarity with tokenization standards (e.g., ERC, SPL, etc. ) and DeFi ecosystems.
Strong testing and debugging skills, with a track record of delivering secure, reliable, and scalable solutions.
Excellent communication and collaboration skills, with the ability to work effectively in cross-functional teams.
Proficiency in developing and deploying smart contracts in at least 1 or more of the major languages Solidity, Rust, MOVE, Vyper, or equivalent.
Experience contributing to or maintaining open-source blockchain projects.
Experience with Nestjs
Knowledge of advanced blockchain technologies such as zero-knowledge proofs, layer-2 scaling, and cross-chain bridges.