Sujit K.
Sr. QA Engineer | QA Lead | Web, Mobile, Automation, API & AI Testing
Are you looking for a Senior QA Engineer who can take ownership of software quality, identify critical issues before release, and help your product deliver a reliable user experience? I'm a Senior Software QA Engineer / QA Lead with 14+ years of professional experience, including 4+ years in test automation. I help startups, SaaS companies, and established businesses deliver stable, secure, and high-quality software through structured testing, automation, and practical QA strategies. I bring hands-on experience working with international software teams and US-based clients, covering web applications, mobile apps, desktop software, healthcare platforms, real estate applications, and business-critical systems. WHAT I CAN DO FOR YOUR PROJECT 1. MANUAL QA & SOFTWARE TESTING • Functional, Regression, Smoke, Sanity, and Exploratory Testing • End-to-End (E2E), UAT, and Integration Testing • Cross-browser and Cross-platform Compatibility Testing • Real-device testing on iOS, Android, Windows, and macOS • UI/UX and Usability Testing 2. TEST AUTOMATION • Cypress Automation using JavaScript • Selenium WebDriver • Robot Framework with Python • Test Automation Frameworks and Page Object Model (POM) • Regression Automation and Test Script Maintenance 3. API & BACKEND TESTING • REST API Testing using Postman • Swagger / OpenAPI Validation • GET, POST, PUT, and DELETE Requests • API Response, Status Code, and Data Validation • Database Testing and SQL Queries 4. PERFORMANCE & AI-ASSISTED QA • Performance and Load Testing using JMeter • AI-assisted Test Case Generation and Test Analysis • Prompt-driven Testing and AI-powered QA Workflows • AI-assisted Defect Analysis and Test Documentation 5. QA LEADERSHIP & QUALITY MANAGEMENT • QA Strategy and Test Planning • Test Case Design and Test Coverage Analysis • Defect Lifecycle and Release Management • Risk-Based Testing and Quality Reporting • Agile/Scrum Collaboration • Working closely with Developers, Product Managers, and Stakeholders TOOLS & TECHNOLOGIES Cypress | Selenium | Robot Framework | JavaScript | Python | Postman | Swagger | JMeter | SQL | Jira | Azure DevOps | TestRail | TestLink | Zephyr | BrowserStack | GitHub | Chrome DevTools MY TESTING APPROACH I focus on finding issues that genuinely affect users and business operations, not simply executing test cases. You can expect: • Clear and actionable bug reports with reproduction steps. • Screenshots and screen recordings as evidence. • Detailed Expected vs. Actual results. • Organized test cases and execution reports. • Proactive communication and timely progress updates. • A quality-focused approach throughout the development lifecycle. I am comfortable working with distributed teams across the US, UK, Canada, Australia, and other international markets. Let's work together to improve your product quality, reduce release risks, and deliver a better user experience. Feel free to invite me to your project or send me a message to discuss your QA requirements.
Earnings and projects
Last 6 months ÷ 6
Read daily since Oct 22, under 30 days
Billed in all: $33,951$34k
$1k in the last 6 months
Across 26 contracts
Earnings, last 30 days
Tracked from Oct 22, 2026.
Skill rankings: Top 14% in Selenium
Ranked by MRR among everyone on Upwork with the skill.
- #18Robot Framework74 freelancers · 🇧🇩 #1Top 24%🇧🇩#1 of 2
- #24Desktop Application Testing160 freelancers · 🇧🇩 #1Top 15%🇧🇩#1 of 4
- #59Cross-Browser Testing247 freelancers · 🇧🇩 #4Top 24%🇧🇩#4 of 14
- #78Test Plan379 freelancers · 🇧🇩 #2Top 21%🇧🇩#2 of 7
- #95Beta Testing514 freelancers · 🇧🇩 #2Top 18%🇧🇩#2 of 10
- #97Test Automation445 freelancers · 🇧🇩 #1Top 22%🇧🇩#1 of 16
- #120Performance Testing563 freelancers · 🇧🇩 #2Top 21%🇧🇩#2 of 20
- #130End-to-End Testing520 freelancers · 🇧🇩 #6Top 25%🇧🇩#6 of 16