Senior QA Engineer 100% Remote Worldwide

Join 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 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 jobThe goal of a Senior QA Engineer is to ensure product quality, reliability, and an exceptional user experience through a balanced combination of manual and automated testing. This involves designing and executing comprehensive test cases, performing exploratory and regression testing, identifying and documenting defects, and ensuring issues are properly tracked and resolved.Senior QA Engineers also develop and maintain scalable automation frameworks, integrating them into continuous integration and delivery pipelines to achieve broad coverage across functional, regression, and performance scenarios. By continuously improving testing efficiency and reducing manual effort, they help accelerate release cycles without compromising quality.Focused on preventing defects from reaching end users, Senior QA Engineers collaborate closely with development teams to uphold high standards of usability, performance, and reliability, blending the depth of manual validation with the speed and consistency of automation to deliver a seamless and dependable product experience.Responsibilities Design and Execute Test Cases: Create detailed, well-structured test plans and cases based on product requirements and acceptance criteria. Conduct Exploratory Testing: Investigate the application beyond scripted cases to identify edge cases, usability issues, and unexpected behavior. Identify and Document Defects: Accurately record issues with clear steps to reproduce, expected vs. actual results, and relevant evidence (screenshots, logs). Collaborate with Development Teams: Work closely with developers, product managers, and designers to clarify requirements and discuss quality concerns. Validate Bug Fixes: Re-test resolved defects to confirm they are fully fixed and do not introduce new ...