Technical Lead - Wallets (100% Remote - Barcelona)

Job descriptionJoin Tether and Shape the Future of Digital FinanceAt Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses-from exchanges and wallets to payment processors and ATMs-to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.Innovate with TetherTether Finance:Our innovative product suite features the world’s most trusted stablecoin,USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.But that’s just the beginning:Tether Power:Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.Tether Data:Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions likeKEET, our flagship app that redefines secure and private data sharing.Tether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.Tether Evolution: At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways.Why Join Us?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?About the jobWe are seeking ahighly experienced Technical Leadto spearhead the development of our cutting-edgecrypto wallets. This is a unique opportunity to join a fast-growing company operating in thehighly 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 librariesCollaborate 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.Job requirements6+ years of software engineering experience with at least 2-3 years in atechnical leadershiprole.Strong experience building and deployingcrypto wallets, DeFi protocols, and working withWeb3 tech stacks (e.g., EVM, Solidity,ethers.js/ web3.js).StrongNodeJSandReact Nativemobile development experience with experience launching and maintaining successful applications.GoodC++ developmentexperience and understanding ofOS, Cryptography and Networkingprimitives. Experience buildingNative addonsin NodeJS is great to have.Desirable to have experience in buildingpeer-to-peer (P2P) applicationsor distributed systems and decentralized communication models.Solid grasp of softwarearchitecture principles, system design patterns, and API integrations.Excellentleadership, problem-solving, and communicationskills.Experience working in a high-growth, fast-paced startup environment.Bachelor’s or Master’s degree in Computer Science, Engineering, or a related discipline.All done!Your application has been successfully submitted!Other jobs

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), 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.

Join Tether and Shape the Future of Digital Finance

At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses-from exchanges and wallets to payment processors and ATMs-to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.

Innovate with Tether

Tether Finance:

Our innovative product suite features the world’s most trusted stablecoin,

USDT

, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.

But that’s just the beginning:

Tether Power:

Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.

Tether Data:

Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like

KEET

, our flagship app that redefines secure and private data sharing.

Tether Education

Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity. Tether Evolution

At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways. Why Join Us?