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Hi, I'm Jinu Katherin, ISTQB-certified QA Engineer with 6+ years of experience testing web, mobile, API, and enterprise applications. I plan, execute, and automate functional and non-functional tests to ensure software quality, compliance, and stability. I have a strong background in defect management, stakeholder collaboration, and reporting. I have reduced production defects by 30%, improved release confidence, and supported teams in defect resolution and adoption of QA best practices in CI/CD and automation.…Hi, I'm Jinu Katherin, ISTQB-certified QA Engineer with 6+ years of experience testing web, mobile, API, and enterprise applications. I plan, execute, and automate functional and non-functional tests to ensure software quality, compliance, and stability. I have a strong background in defect management, stakeholder collaboration, and reporting. I have reduced production defects by 30%, improved release confidence, and supported teams in defect resolution and adoption of QA best practices in CI/CD and automation.

Jinu Katherin

QA Engineer, Web Developer, Front-End Developer, +2

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Hi, I'm Jinu Katherin, ISTQB-certified QA Engineer with 6+ years of experience testing web, mobile, API, and enterprise applications. I plan, execute, and automate functional and non-functional tests to ensure software quality, compliance, and stability. I have a strong background in defect management, stakeholder collaboration, and reporting. I have reduced production defects by 30%, improved release confidence, and supported teams in defect resolution and adoption of QA best practices in CI/CD and automation.…Hi, I'm Jinu Katherin, ISTQB-certified QA Engineer with 6+ years of experience testing web, mobile, API, and enterprise applications. I plan, execute, and automate functional and non-functional tests to ensure software quality, compliance, and stability. I have a strong background in defect management, stakeholder collaboration, and reporting. I have reduced production defects by 30%, improved release confidence, and supported teams in defect resolution and adoption of QA best practices in CI/CD and automation.

Available to hire

Hi, I’m Jinu Katherin, ISTQB-certified QA Engineer with 6+ years of experience testing web, mobile, API, and enterprise applications. I plan, execute, and automate functional and non-functional tests to ensure software quality, compliance, and stability.

I have a strong background in defect management, stakeholder collaboration, and reporting. I have reduced production defects by 30%, improved release confidence, and supported teams in defect resolution and adoption of QA best practices in CI/CD and automation.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Language

Work Experience

Senior QA Engineer - Web & Mobile Applications at Bigtincan Holdings Ltd

August 1, 2021 - November 1, 2023

Planned and executed functional, regression, exploratory, and non-functional tests, ensuring 95%+ requirement coverage. Delivered 30% reduction in production defects through rigorous QA practices and proactive compliance checks. Produced detailed release notes, execution logs, and QA sign-off reports, supporting transparency and regulatory alignment. Improved defect turnaround by 20% through structured JIRA defect management and triage sessions. Reviewed and contributed to automation scripts in Selenium + Java, enabling faster regression cycles. Provided direction in SIT/UAT cycles, mentoring team members and supporting stakeholders in defect resolution.

Senior Test Engineer - AIOT & WEB APP at Advanced Millennium Technologies Pvt Ltd

August 1, 2017 - January 1, 2020

Executed functional, regression, and performance tests for IoT-enabled applications, improving product reliability. Validated APIs and back-end data integrity with JSON/XML and SQL, detecting defects early in integration cycles. Partnered with developers to refine test techniques and improve defect turnaround by 20%. Contributed to compliance and quality assurance through detailed reporting and requirement traceability.

Test Engineer - E-COMMERCE SYSTEMS at Portrave Solutions Pvt Ltd

February 1, 2016 - July 1, 2017

Performed end-to-end functional and system testing of order and payment workflows, ensuring 100% UAT acceptance. Conducted database testing with SQL/XML validation, preventing pre-production mismatches. Collaborated with clients and stakeholders to ensure alignment of test outcomes with business needs.