About Us Key unlocks how professionals find new opportunities, network and grow. We leverage the power of communities, advanced AI based search & recommendation and matching algorithms to curate a list of people & opportunities. The Role We are hiring a Senior QA / Quality Engineering Engineer to lead quality across our AI-powered web platforms built using Next.js, React, Node.js, Python, and ML systems. You will own test strategy, automation, security, and release quality, ensuring our products are production-grade, secure, and scalable. This is not a manual-only role — you will design QA processes, automation frameworks, and quality gates for fast-moving product teams. Responsibilities • Own end-to-end quality for web, mobile and AI-driven applications • Design and maintain automation frameworks for UI, APIs, and backend services • Test applications built on React, Next.js, Node.js, Python, and ML pipelines • Validate AI/ML features for accuracy, bias, reliability, and data integrity • Perform integration testing across frontend, backend, and AI services • Conduct security testing and penetration testing to identify vulnerabilities • Define QA processes, release gates, regression strategies, and CI/CD quality checks • Work closely with engineering, DevOps, and product teams to prevent defects early • Track, analyze, and improve defect trends, test coverage, and release quality Requirements • Bachelor's degree in Computer Science, Engineering, or related field • 3–5 years of QA / QE experience in web, backend & mobile systems • Strong experience testing React / Next.js frontends and Node.js / Python backends • Proven expertise in test automation (Playwright, Cypress, Selenium, Postman, etc.) • Solid understanding of API testing, integration testing, and data validation • Experience with CI/CD pipelines and automated test execution • Knowledge of security testing, OWASP, and basic penetration testing • Ability to define QA strategy, test plans, and release processes • Excellent communication and ability to work with senior engineers Nice-to-Have: • Experience testing AI/ML or LLM-based systems • Familiarity with Docker, cloud platforms (AWS/GCP), and microservices • Exposure to performance, load, or chaos testing • Understanding of data pipelines and ML workflows Perks & Benefits: • Competitive salary and performance bonuses. • Flexible working hours and remote work opportunities. • Learning and development opportunities. • Creative work environment.