Lead Quality Assurance Engineer

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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.

• 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

• 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

• Performance testing expertise with JMeter, k6, or Load Runner
• 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

• Experience with distributed systems testing and microservices architecture
• Knowledge of API testing and Web Socket 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, Git Hub profile, or examples of previous QA projects, especially those involving cryptocurrency, trading, or large-scale production applications.