I am a Software Developer and Senior QA Engineer with 7+ years of experience in software development, manual and automation testing, Web, Mobile Apps, Games, APIs, databases, performance testing, and AI model quality assurance. I combine development and testing expertise to understand products from both the engineering and end-user perspective and help deliver reliable, scalable, and production-ready software. Software Development • Frontend: React.js, Next.js, Angular, JavaScript, TypeScript, HTML5, CSS3, Tailwind CSS, Bootstrap • Backend: Python, FastAPI, Flask, Node.js, Express.js, Java, Spring Boot • Databases: PostgreSQL, MySQL, MongoDB, Firebase • REST APIs, third-party integrations, authentication, dashboards, admin panels, SaaS platforms, and business applications • Git/GitHub, Docker, AWS, Linux, CI/CD, deployment, debugging, and production support Software Testing & QA • Functional, Regression, Smoke, Sanity, Integration, System, E2E, Exploratory, UAT, Compatibility, Usability, Accessibility, and Cross-Browser Testing • Requirement analysis, test planning, test cases, test scenarios, defect management, root-cause analysis, and release validation • Risk-based testing, end-to-end quality assurance, production verification, and troubleshooting Web & Mobile Testing • Testing responsive websites, SaaS applications, portals, dashboards, e-commerce, CRM/ERP, and enterprise applications • Android and iOS testing across devices, OS versions, screen sizes, orientations, and network conditions • UI/UX, installation, upgrade, permissions, notifications, deep links, synchronization, offline/online, and mobile API testing Game Testing • Gameplay, UI, controls, scoring, rewards, progression, compatibility, performance, multiplayer, and regression testing • Validation across devices, screen resolutions, operating systems, and network conditions Automation, API & Performance • Selenium WebDriver with Java, Playwright, Cypress, JavaScript/TypeScript, and Appium • REST API testing with Postman and Swagger/OpenAPI including CRUD, authentication, request/response validation, status codes, schema validation, and negative testing • SQL, MySQL, PostgreSQL for queries, joins, data integrity, reconciliation, and backend validation • JMeter for Load, Stress, Spike, Endurance, and Scalability Testing with response-time, throughput, and concurrency analysis AI Model QA • Testing AI/ML applications, Generative AI, LLMs, AI chatbots, RAG systems, and AI agents • Prompt testing, response accuracy, relevance, consistency, context handling, hallucination detection, robustness, edge cases, and safety validation • Evaluating AI outputs against expected results, business requirements, and quality criteria Tools Jira, Azure DevOps, Postman, Swagger, Selenium, Playwright, Cypress, Appium, JMeter, BrowserStack, Git/GitHub, Docker, AWS, Jenkins, and CI/CD tools. I bring development, QA, automation, API, performance, mobile, game, and AI testing expertise.