Lead Software Engineer - Mobile Development (Crypto Wallets) (100% remote Worldwide) in London

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.
• 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? 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 job: The role involves working in a dynamic environment with a diverse team of senior backend developers, product managers, and leadership to build crypto wallet solutions. The applications are meant to be high performance, light-weight, and highly intuitive to cater to a variety of audiences. You will be working on developing cutting-edge mobile applications integrating crypto wallets and DeFi features. You will also contribute to backend components when needed to support mobile features and unblock mobile delivery. You will provide technical leadership, guide mobile engineering best practices, and support other engineers through reviews and mentoring.

Responsibilities:

• Leadership: Lead a small group of React Native engineers. Drive architectural decisions, enforce coding standards, and ensure timely high-quality delivery.
• Development: Design and build advanced cross-platform applications for the iOS and Android platforms using React Native, review work from other engineers to ensure quality and architectural alignment, and contribute to backend services or APIs when required to support mobile functionality.
• Integration: Work closely with backend developers, integrate JavaScript SDKs, libraries, and backend services into mobile applications, and extend backend logic when needed to complete end-to-end features.
• Collaboration: Collaborate with product managers, designers, and other developers to deliver innovative solutions.
• Architecture: Own and define patterns for state management, navigation, performance, modularization, and security across mobile applications.

Mandatory:

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux, and the core principles surrounding these.
• Highly proficient in JavaScript and ES6+.
• Experience with CI/CD pipelines for mobile development.
• Familiar with modern front-end pipelines and tools.
• Experienced with Native modules (C++), WebSockets, RESTful based APIs.
• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low-level implementation.
• Proven experience leading or mentoring mobile engineers.
• Demonstrated ability to own architecture for large scale React Native applications.
• Strong decision-making skills in evaluating frameworks, tooling, and mobile development patterns.
• Experience with backend development using Node or similar environments, with the ability to implement or adjust APIs and services that power mobile features.
• Comfortable working across the stack when required, while still maintaining strong depth in mobile development.

Important information for candidates: 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. 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.