Senior QA Engineer (100% remote Brazil)

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?

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?

We’re currently looking for a Senior QA Engineer to join our team. The position is 100% remote and available to anyone self-driven, and, with the experience and capacity to contribute to our vision.

If you get excited about being in an industry that is breaking new ground and have confidence you can conquer the most challenging feats we'll encounter, we want to talk to you. Join us, and help lay the foundation for a decentralized future.

Key responsibilities

Take ownership of projects & new features, and be responsible for their overall quality.

Work across teams & with customers to investigate and diagnose issues.

Creating test plans for new products, and maintaining and expanding plans for existing products.

Continuously analyze working processes; suggest and implement improvements.

Document issues in our bug-tracking software, while communicating the issue effectively.

Work with developers to help them understand, debug, and reproduce issues.

Help us improve our test automation framework.

Implement automated tests for new features and help to maintain our test automation suite.

Assist with manual / regression testing & bug fix verification

Monitor information channels to detect and report emergent issues.

Provide non-functional quality feedback such as performance & UI / UX improvements.

At least +4 years of experience in a Software Quality Assurance field.

Strong experience using an automated testing framework, such as Cypress or Playwright.

Strong experience with app and API testing.

Comfortable working with CLIs and Git.

Previous experience testing AI technology.

Knowledge of working with CI / CD pipelines.

Flexibility and having the willingness to tackle issues whenever they arise.

A self-driven and proactive personality is essential – You will be given significant autonomy to tackle the challenges you’re given.

A strong drive to learn – our products are complex, so an inquisitive nature, and a strong desire to acquire information is critical.

A strong drive to experiment and discover knowledge independently, but also not afraid to ask questions where needed.