Join Tether and Shape the Future of Digital Finance
At Tether, we’re not just building products, we’re pioneering a global financial revolution. 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. 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 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.
Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.
Our team is a general talent powerhouse, working remotely from every corner of the world.



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.
We are looking for Fullstack Engineer to help QVAC application teams develop, review, test, and deliver reliable software with less friction. You will build and maintain developer tools, integrate AI agents into engineering workflows, and improve code quality and delivery automation.
Develop code quality scripts and checks for complexity, function and file size, dependency cycles, and performance regressions. Improve development environments, testing, and build and release workflows so engineers and agents can verify changes reliably.
Example projects include agents that investigate CI failures, diagnose compatibility and performance regressions, and flag changes that affect package interfaces or architecture. Experience building and maintaining developer tools or engineering automation used by others, with strong JavaScr

📌 Fullstack Developer (España)
🏢 Tether.io
📍 España