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.

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.