Nagakarthick A
Madurai
Summary
Strategic Quality Engineering Leader with 10+ years of expertise in test automation, performance testing, and cross-functional team leadership. Proven track record scaling QE teams from 3 to 11 members while implementing comprehensive automation frameworks and CI/CD integration strategies. Expert in API testing, defect management, and risk-based testing with strong experience in Agile environments. Skilled in stakeholder collaboration, process improvement, and driving end-to-end quality assurance initiatives for large-scale systems. Demonstrated ability to resolve operational bottlenecks, optimize test coverage, and deliver high-quality outcomes through data-driven quality metrics and root cause analysis.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Quality Assurance Engineer Lead
Amazon Development Centre
08.2022 - 08.2023
- Spearheaded strategic QA team expansion by successfully onboarding and training 8 Engineers (QAE-4, QAE2-2, SDET Interns-2) to full operational capability within one quarter, enabling consistent quality delivery for weekly production launches.
- Implemented innovative rapid ramp-up program through structured demos and knowledge transfer sessions, achieving independent testing capabilities for QA members within first month of hire. Optimized resource utilization by developing QAE team competencies for routine testing, strategically freeing 50% of senior QA bandwidth to advance critical automation and CSS testing initiatives.
- Transformed manual testing operations into a self-sufficient model, empowering QA team to independently manage functional testing for weekly builds while maintaining rigorous quality standards.
- Demonstrated exceptional stakeholder management by identifying critical regression blocker, advocating with data-driven insights about production impact, and successfully prioritizing fixes despite initial resistance from development teams.
- Led cross-organizational collaboration to resolve complex test data challenges, proposing and implementing innovative solutions that streamlined testing processes across multiple teams and eliminated data volatility issues.
- Established balanced workload distribution model supporting both immediate testing needs and long-term automation goals. Ensured seamless quality assurance coverage during team expansion by implementing graduated responsibility allocation.
Senior Quality Assurance Engineer
Amazon Development Centre
08.2021 - 08.2022
- Engineered holistic test strategies for multi-platform Amazon products, developing comprehensive test plans that encompassed complex functional and non-functional testing scenarios across Fire TV, Tablets, Alexa, and E-Ink devices. Demonstrated ownership and earned trust by resolving a critical regression through data-driven insights and cross-team collaboration, ensuring timely resolution and seamless user experience.
- Collaborated with cross-functional teams including developers, product managers, and UX designers to clarify requirements and deliver high-quality features. Identified and resolved critical operational bottlenecks by creating comprehensive troubleshooting SOPs and implementing self-service capabilities, enabling autonomous issue resolution and eliminating timezone-dependent testing delays.
- Pioneered end-to-end test automation for BB system using Internal framework (Diamond ToolKit), automating 117 PO test cases (95% coverage) across critical features, reducing manual testing efforts by 1.5 person-days and identifying high-impact issues in the development pipeline.
- Architected scalable load testing automation framework for interconnected recruitment systems, implementing innovative test strategies that validated high-volume candidate APIs (360 TPM) and scheduling services (120 TPM), while establishing reusable testing patterns adopted across multiple teams.
- Recruited and trained Quality Assurance Engineer (QAEs), conducting structured knowledge transfer sessions to build team expertise. Mentored QA engineers through knowledge transfer sessions and code reviews, accelerating team productivity and promoting best practices.
- Actively participated in Agile ceremonies including QA standup's, sprint planning, and retrospectives, contributing to continuous process improvement.
- Pioneered automated production sanity testing through build acceptance test automation and E2E workflow validation, reducing regression testing effort by 3 hours weekly while enabling real-time post-deployment quality verification.
Quality Assurance Engineer
Amazon Development Centre
03.2018 - 08.2021
- Developed and executed end-to-end test plans for E-Ink Devices and App-Store features, ensuring alignment between QA, SDET, Development, and Product Management teams.
- Established comprehensive regression test suites to maintain system stability across iterative feature releases, focusing on critical user paths and functionality.
- Implemented functional, regression, and system testing methodologies using Python-based automation frameworks to optimise testing efficiency.
- Led cross-platform compatibility testing initiatives to validate user experiences across multiple devices and operating systems.
- Architected and implemented 'Medusa' - a custom test automation framework supporting cross-generational testing across 5 tablet models, reducing manual testing effort by 70% and integrating with Kibana dashboards for enhanced visibility.
- Designed and executed comprehensive automation strategies for Amazon's flagship products including Fire TV, Fire Tablets, Alexa, and E-Ink devices, achieving 100% coverage for PO test cases.
- Integrated automated test suites into CI/CD pipelines using Jenkins and KATS, establishing automated quality checkpoints throughout the development lifecycle.
- Implemented performance testing protocols to identify system bottlenecks and conducted security assessments to proactively address vulnerabilities.
- Streamlined bug tracking and resolution processes using Jira, collaborating with development teams to ensure timely fixes and maintain product quality standards.
- Managed test case prioritisation within Agile sprints using story point system, ensuring efficient resource allocation and sprint goal achievement.
Device Specialist
Amazon Development Centre
10.2016 - 03.2018
- Lead and execute comprehensive testing of Amazon devices, covering functionality, performance, and compatibility.
- Develop and maintain small test plans, scripts, and cases for device validation.
- Collaborate with cross-functional teams to troubleshoot and resolve technical issues promptly.
- Perform and optimize both manual and automated tests, ensuring product quality and consistency.
- Mentor junior team members and contribute to process improvements for device quality standards.
- Recruited and trained subject matter experts (SMEs), conducting structured knowledge transfer sessions to build team expertise.
Senior Device Associate
Amazon Development Center
10.2013 - 09.2016
- Execute complex test cases and guide team members on testing procedures.
- Identify, log, and prioritize critical issues, working with developers to resolve them promptly.
- Perform in-depth functionality, compatibility, and regression testing. Automated BAT (Build Acceptance Test) cases, ensuring swift validation of essential functionalities and improving test coverage and efficiency for new builds.
- Support device release cycles by ensuring seamless integration and deployment.
- Analyze testing data and generate detailed reports for stakeholders.
- Mentor junior associates, providing training and technical guidance.
Device Associate
Amazon Development Center
01.2012 - 09.2016
- Execute test cases for Amazon devices and apps.
- Identify, log, and track bugs/issues found during testing.
- Verify and validate bug fixes to ensure compliance with quality standards.
Education
Bachelor of Engineering - Computer Science
Velammal Engineering of College
Chennai, India05-2009
Skills
- Testing Types: Functional Testing, End to End (E2E) Testing, Non-Functional Testing (Performance, Load, Stress, Security, accessibility)
- Testing Skills: Manual Testing, Regression Testing, API Testing, Test Case Design, Test Automation Expertise, Test Strategy, Defect Tracking Systems
- Programming Languages: Python, Java
- Automation Tools: Selenium Web Driver, Playwright, Cypress, Appium, UiAutomator, Postman
- Testing Methodologies: Agile (Scrum), WaterFall
- Project Management: JIRA, Confluence, Test Rail
- Test Frameworks: PyTest, Selenium, Playwright, Cypress, TestNG, JUnit, BDD -Cucumber
- Cloud Platforms & Database Management: AWS, S3
- CI/CD & Build: Jenkins, Git
- Version Control: GIT, Perforce
Certification
- Selenium WebDriver (2024-09 - 2024-11)
- Data Science (2023-10 - 2024-08)
LANGUAGES
English: Full Professional Proficiency
Tamil: Full Professional Proficiency
SOFT SKILLS
- International Rated Player in Chess
- District Football Player
- Communication
- Team Mentorship and Skill Development
- Analytical Thinking and Problem Solving
Timeline
Quality Assurance Engineer Lead
Amazon Development Centre
08.2022 - 08.2023
Senior Quality Assurance Engineer
Amazon Development Centre
08.2021 - 08.2022
Quality Assurance Engineer
Amazon Development Centre
03.2018 - 08.2021
Device Specialist
Amazon Development Centre
10.2016 - 03.2018
Senior Device Associate
Amazon Development Center
10.2013 - 09.2016
Device Associate
Amazon Development Center
01.2012 - 09.2016
Bachelor of Engineering - Computer Science
Velammal Engineering of College
Similar Profiles
MOHAMMED JAVEEDMOHAMMED JAVEED
AI Content Writer at Amazon Development Centre IndiaAI Content Writer at Amazon Development Centre India
Manali VitkarManali Vitkar
Customer Service Executive at Amazon Development Centre India Private LimitedCustomer Service Executive at Amazon Development Centre India Private Limited
Anubhav AnandAnubhav Anand
Senior Manager- Account Management at Amazon Development Centre India Pvt. Ltd.Senior Manager- Account Management at Amazon Development Centre India Pvt. Ltd.
Jeyanthi RameshJeyanthi Ramesh
Rebar detailer/draughtsman at CADS Software India Pvt Ltd.Rebar detailer/draughtsman at CADS Software India Pvt Ltd.
ARUNADEVI MARUNADEVI M
Role : Process Associate at GENPACTRole : Process Associate at GENPACT