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Karthik N K

Karthik N K

Software Quality Assurance engineer

India
85
Profile Score

About

Software Quality Assurance (QA) Engineer with nearly 3 years of experience in Manual Testing, Automation Testing, REST API Testing, and Android POS device validation. Proficient in designing and executing Test Cases, Test Plans, and Requirement Traceability Matrix (RTM), and managing the complete Defect Life Cycle using Jira. Expertise in Functional Testing, Smoke Testing, Sanity Testing, Regression Testing, Re-Testing, and End-to-End Testing across embedded systems, ESC/POS printer integration, Cloud Speaker, and SDK-based environments. Hands-on experience with Selenium WebDriver and Java for test automation. Familiar with AI tools and Prompt Engineering for test case generation and defect analysis. Strong understanding of SDLC, STLC, and Agile/Scrum methodologies with end-to-end QA ownership.

Skills & Expertise (48)

Automation Testing Advanced
8.0/10
3
Years Exp
REST API Testing Advanced
8.0/10
3
Years Exp
Functional Testing Advanced
7.6/10
3
Years Exp
Regression Testing Advanced
7.6/10
3
Years Exp
Manual Testing Advanced
7.6/10
3
Years Exp
Defect Analysis Time management Test Optimization Jira Defect Life Cycle Bug Tracking Root Cause Analysis Android Studio Eclipse IDE Android SDK SVN Basic SQL Agile Scrum SDLC STLC Attention to Detail Analytical Thinking Cross-Functional Collaboration Communication Problem Solving Bug report smoke testing sanity testing System Testing UAT Re-testing End-to-End Testing Test plan Test Cases Test Scripts Test Summary Report Test Case Generation Traceability Matrix Selenium WebDriver Java TestNG Postman Rest API JSON HTTP methods AI Agents Prompt Engineering

Work Experience

Software Quality Assurance Engineer

Evolute FinTech Innovation Pvt. Ltd.

Mar 2023 - Present

Designed and executed 500+ Test Cases, Test Plans, and Requirement Traceability Matrix (RTM) for Android POS devices supporting payment processing, biometric authentication, and receipt printing. Performed Functional Testing, Smoke Testing, Sanity Testing, Regression Testing, and Re-Testing across POS OS 7, 10, and 12 on multiple hardware models, reducing post-release defects. Conducted REST API Testing using Postman, validating HTTP methods, request/response data flow, authentication, error handling, and edge case scenarios. Developed and maintained Automation Test Scripts using Selenium WebDriver with Java and TestNG, automating critical business workflows and reducing manual test execution effort by 30%. Performed Embedded System Testing and hardware-software integration validation in Android POS environments. Led end-to-end QA for LeoPOS devices on Android 13 (A13) and Android 14 (A14), including Sound Box, ESC/POS Printer, and PIN Pad integrations — from test planning through release sign-off. Integrated and validated 2-inch and 3-inch receipt and label printers using ESC/POS command protocols and vendor SDKs. Logged, tracked, and managed defects through the complete Defect Life Cycle in Jira; collaborated with developers for root cause analysis and timely resolution. Prepared Bug Reports, Test Summary Reports, and QA sign-off documents for 5+ product releases across stakeholder reviews and pilot deployments. Collaborated with cross-functional teams including developers, vendors, and product managers for firmware validation and UAT support. Promoted from QA Intern to Full-Time QA Engineer in 2023 after a 3-month internship, demonstrating rapid skill development and performance.

Education

Bachelor of Engineering (B.E.) - CMR Institute of Technology, Bengaluru

2016 - 2020 · India

Certifications

Java Full Stack Development & Software Testing Certification

TAP Academy · 2023

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 5/5
Verified 5/5
Total Score 85/100

Profile Overview

Member sinceMar 2026