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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Technical Lead - Wallets - **Company:** Tether Operations Limited - **Location:** Barcelona, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Mobile Application Development, Code Review, Data Synchronization, Distributed Systems, Node.Js, Peer-To-Peer (P2P), Scrum Methodology, Software Architecture, Blockchain, Software Engineering, Systems Architecture, Tethering, Backend, Information Technology, Solidity, Web3.js, React Native, Api Management - **Published:** July 17, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role Our team is a global talent powerhouse, working remotely from every corner of the world. If you're passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We've grown fast, stayed lean, and secured our place as a leader in the industry. If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you. Are you ready to be part of the future?, + 6+ years of software engineering experience with at least 2-3 years in a technical leadership role. + Strong experience building and deploying crypto wallets, DeFi protocols, and working with Web3 tech stacks (e.g., EVM, Solidity, ethers.js/ web3.js). + Strong NodeJS and React Native mobile development experience with experience launching and maintaining successful applications. + Good C++ development experience and understanding of OS, Cryptography and Networking primitives. Experience building Native addons in NodeJS is great to have. + Desirable to have experience in building peer-to-peer (P2P) applications or distributed systems and decentralized communication models. + Solid grasp of software architecture principles, system design patterns, and API integrations. + Excellent leadership, problem-solving, and communication skills. + Experience working in a high-growth, fast-paced startup environment. + Bachelor's or Master's degree in Computer Science, Engineering, or a related discipline. ## Description We are seeking a highly experienced Technical Lead to spearhead the development of our cutting-edge crypto wallets. This is a unique opportunity to join a fast-growing company operating in the highly dynamic, rapidly evolving Web3 space. This role requires hands-on leadership and coordination with Product managers and project managers to reach the intended development targets. Responsibilities: + Lead and mentor a team of Backend and Wallet developers, ensuring adherence to coding standards, best practices, and technical excellence. + Design, architect, and implement scalable, secure wallets and reusable wallet libraries + Collaborate with cross-functional teams including product and design to deliver end-to-end technical solutions. + Work with a project manager to define technical roadmap, prioritize tasks, and drive sprint planning to ensure timely delivery of project milestones. Identify technical risks early, propose effective solutions, and ensure continuous improvement of the system architecture. + Provide hands-on technical leadership in developing peer-to-peer (P2P) applications, ensuring efficient data synchronization, decentralized communication, and network resilience. + Perform regular code reviews, architectural reviews, and optimization initiatives for both performance and scalability. + Stay ahead of emerging Web3, blockchain, and DeFi trends and integrate relevant innovations., Recruitment scams have become increasingly common. To protect yourself, please keep the following in mind when applying for roles: + Apply only through our official channels. We do not use third-party platforms or agencies for recruitment unless clearly stated. All open roles are listed on our official careers page: https://tether.recruitee.com/ + Verify the recruiter's identity. All our recruiters have verified LinkedIn profiles. If you're unsure, you can confirm their identity by checking their profile or contacting us through our website. + Be cautious of unusual communication methods. We do not conduct interviews over WhatsApp, Telegram, or SMS. All communication is done through official company emails and platforms. + Double-check email addresses. All communication from us will come from emails ending in @tether.to or @tether.io + We will never request payment or financial details. If someone asks for personal financial information or payment at any point during the hiring process, it is a scam. Please report it immediately. When in doubt, feel free to reach out through our official website. All done! Your application has been successfully submitted! 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