Vijaya Kumar P.
QA Engineer | Software Testing | API | DB | Load | Security | UI/UX |
I don’t just test software - I safeguard business-critical systems before they reach production I am an Enterprise QA Specialist with extensive experience testing Web, Windows, Mobile (Android/iOS), iPad applications, ERP systems, LMS platforms, RPA solutions, and large-scale data-driven enterprise platforms. I work as a long-term quality partner for product companies, SaaS platforms, ERP providers, and enterprise clients across the USA, UK, Singapore, and India. My focus is on production-grade systems where reliability, performance, security, and data integrity are critical. Core Expertise: 💠Functional Testing (Web, Windows, Mobile, iPad) 💠API Testing (Postman, Swagger, Automation Suites) 💠Database Testing (MySQL, SQL Server, PostgreSQL) 💠Performance & Load Testing (LoadRunner, JMeter) 💠Security Testing (OWASP-based validation) 💠RPA Testing (Bot accuracy & process validation) 💠ERP & LMS System Testing 💠Heavy Data & Integration Validation 💠Preparing Test Cases & Test reports 💠User Guide | implementation Guide | Test result documents Tools & Technologies: 💠Selenium | LoadRunner | JMeter | Postman | MySQL | MS SQL Server | SQL Navigator | JIRA | Azure DevOps | Bugzilla | TestRail | Structured Excel Reporting Why Clients Work With Me: 💠Production-focused QA mindset 💠Strong ERP & enterprise domain expertise 💠Deep experience in integration-heavy systems 💠Structured test strategy & clear reporting 💠Focus on validating complete business workflows, not just isolated test cases Proven Impact: 💠Reduced production defects by 40%+ across multiple enterprise systems 💠Improved system stability and uptime in multi-tenant ERP platforms (200+ end customers) 💠Validated LMS platforms in the medical domain with strict role-based access 💠Tested 50+ RPA bots handling financial transactions Delivered performance validation for high-concurrency enterprise applications I focus on ensuring systems are stable, secure, scalable, and truly production-ready - not just tested, but quality-assured at an enterprise level. 📩 Let’s eliminate defects before they impact your customers - Click "Send Invite" Button & connect with me to strengthen your product quality.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $940
Billed in all: $141,761$142k
$470 in the last 6 months
Across 31 contracts
Earnings, last 30 days
Skill rankings: Top 22% in ASP.NET
Ranked by MRR among everyone on Upwork with the skill.
- #6Bugzilla24 freelancers · 🇮🇳 #4Top 25%🇮🇳#4 of 14
- #36OWASP109 freelancers · 🇮🇳 #7Top 33%🇮🇳#7 of 26
- #60Load Testing214 freelancers · 🇮🇳 #20Top 28%🇮🇳#20 of 75
- #74Apache JMeter270 freelancers · 🇮🇳 #24Top 27%🇮🇳#24 of 86
- #77Database Testing256 freelancers · 🇮🇳 #24Top 30%🇮🇳#24 of 100
- #185Performance Testing563 freelancers · 🇮🇳 #45Top 33%🇮🇳#45 of 137
- #438Regression Testing1,279 freelancers · 🇮🇳 #81Top 34%🇮🇳#81 of 275
- #510QA Testing1,392 freelancers · 🇮🇳 #57Top 37%🇮🇳#57 of 194