Sachin A.

I help companies test, validate, and improve AI-driven and SaaS platforms before they reach customers. With 15+ years of experience in Quality Engineering, I specialize in testing AI-powered applications, SaaS platforms, APIs, and modern web products to ensure reliability, security, and great user experience. Over the years, I’ve worked with startups and enterprise teams to identify critical issues early, improve product stability, and reduce production risks through structured testing and automation. My Core Expertise AI / LLM Application Testing
 • Prompt behavior validation
 • AI workflow and agent testing
 • Hallucination and edge-case detection
 • Output quality and response validation SaaS & Web Platform Testing
 • Exploratory testing
 • End-to-end workflow validation
 • RBAC / permissions testing
 • Regression and release testing API & Backend Testing
 • REST API validation (Postman)
 • Data verification and edge cases
 • Integration testing Automation & Performance
 • Playwright / Selenium automation
 • Load testing using JMeter
 • CI/CD validation Accessibility & Compliance
 • WCAG / ADA accessibility testing
 • VPAT preparation
 • Usability testing Tools I Use Playwright | Selenium | Postman | JMeter
Git | Jira | Linear | TestRail
BrowserStack | LambdaTest | WAVE | Axe Certifications • ISTQB Certified Tester
 • Certified ScrumMaster (CSM) What Clients Appreciate • Deep exploratory testing skills
 • Clear, developer-friendly bug reports
 • Fast understanding of complex systems
 • Strong ownership of product quality
 • Practical improvement suggestions I particularly enjoy working on AI platforms, SaaS products, developer tools, and complex workflow systems where quality and reliability are critical.