At ITRADE STEM, we help create jobs and support the future of industries like space, technology, energy, and manufacturing. We do this by creating programs that teach skills and support sustainable growth. Join us on our mission to Redefine STEM! JOB OVERVIEW: We are looking for a Lead Quality Assurance Engineer for an exciting remote opportunity based in Miami. Our client is a leader in Web3 innovation, developing cutting-edge applications in cryptocurrency trading and blockchain infrastructure. This role provides a unique opportunity to influence the quality standards of next-generation financial technology products while collaborating with a highly skilled engineering team. In this critical position, you will work directly with the CTO and cross-functional teams to ensure the delivery of robust, secure, and high-performance crypto trading solutions. RESPONSIBILITIES Lead the development and execution of comprehensive test strategies for cutting-edge crypto and Web3 applications, ensuring product excellence Drive quality assurance through a mix of manual and automated testing approaches, covering integration, regression, load, and security testing scenarios Establish robust defect management processes, including thorough documentation and tracking systems Take ownership of issue resolution by working directly with engineering teams to investigate, reproduce, and resolve complex technical challenges Implement proactive performance monitoring and reliability analysis to maintain system excellence Spearhead continuous improvement initiatives for QA processes and automation frameworks Champion quality standards through comprehensive testing protocols and detailed documentation to ensure successful releases CORE REQUIREMENTS: Strong knowledge of QA methodologies, tools, and processes Proven ability to test large-scale, high-availability production systems Experience with automated testing frameworks (Selenium, Cypress, Jest, Postman) Excellent problem-solving, analytical skills, and attention to detail Familiarity with blockchain technology (EVM, smart contracts, Web3) Extensive QA experience in crypto/blockchain or fintech applications Fluent English communication skills TECHNICAL SKILLS (PREFERRED): Performance testing expertise with JMeter, k6, or LoadRunner Experience with CI/CD pipelines, containerization (Docker, Kubernetes) Security testing and vulnerability assessment capabilities ISTQB certification or equivalent Open-source contributions to QA/testing projects ADDITIONAL TECHNICAL REQUIREMENTS: Experience with distributed systems testing and microservices architecture Knowledge of API testing and WebSocket protocols Familiarity with data consistency testing in distributed ledger systems Experience with test environments in cloud platforms (AWS/GCP/Azure) Our client's team works in a fast-paced, dynamic environment. This role is not your typical 9-to-5; we are seeking a meticulous QA professional who excels in delivering world-class quality for crypto products while collaborating with a small, senior team. Please submit your resume, portfolio, GitHub profile, or examples of previous QA projects, especially those involving cryptocurrency, trading, or large-scale production applications.