QA Engineer - Manual & Automation Testing Expert

BHARATH KADMUR

QA Engineer Manual & Automation Testing API & Backend Testing

**************@*****.*** +1-424-***-****

PROFESSIONAL SUMMARY

QA Engineer with 3+ years of experience in Manual and Automation Testing across web applications, backend systems, APIs, and data- driven platforms. Strong expertise in functional, regression, integration, system, and UAT testing, with hands-on experience in backend data validation and ETL testing. Proficient in SQL, Python automation, Selenium, and API testing tools, contributing to improved test coverage, defect detection, and release quality. Experienced in Agile environments, collaborating closely with cross-functional teams to deliver stable, high-quality software with measurable improvements in efficiency and defect reduction. TECHNICAL SKILLS

Testing Types: Manual Testing, Automation Testing, Functional Testing, Regression Testing, Integration Testing, System Testing, Smoke & Sanity Testing, UAT Support, Backend & Data Validation Testing Automation & QA Tools: Selenium WebDriver, PyTest, TestNG, Postman, REST Assured, Newman, JMeter (Basic) Programming & Scripting: Python, SQL (Advanced Queries), Shell Scripting Backend & Data Testing: ETL Testing, Data Warehouse Testing, Data Reconciliation, Schema Validation, Data Accuracy & Completeness Checks

Platforms & Environments: AWS-based Applications, Cloud & On-Prem Systems, Web & Enterprise Applications CI/CD & Version Control: Git, GitHub Actions, Jenkins Test Management & Defect Tracking: JIRA, TestRail, Zephyr Methodologies: Agile (Scrum), SDLC, STLC

PROFESSIONAL EXPERIENCE

Alteryx – Irvine, CA QA Engineer July 2025 – Present Project: Customer Behavior Insights & Analytics Platform Responsibilities & Achievements:

Design and execute 120+ manual and automated test cases per release using Selenium WebDriver, PyTest, and TestNG to support continuous sprint deliveries.

Perform ongoing functional, regression, and integration testing, contributing to a 30% reduction in post-release defects across backend services, REST APIs, and analytics dashboards.

Conduct backend SQL validation on millions of records in PostgreSQL and Amazon Redshift to verify business rules, aggregations, and source-to-target data reconciliation with 99% data accuracy.

Develop and maintain Python-based automation scripts to support regression testing and data validation, reducing manual execution effort by 40%.

Execute API testing for 50+ REST endpoints using Postman and Newman, validating request/response payloads, error handling, and data consistency.

Validate ETL workflows, including incremental and historical data loads, ensuring accuracy and reliability of analytics and reporting outputs.

Log, track, and retest 100+ defects in JIRA, maintaining an average 95% first-pass defect resolution rate through close collaboration with development teams.

Integrate automated test suites into CI/CD pipelines using Jenkins and GitHub Actions, enabling early defect detection and faster release cycles.

Actively participate in daily stand-ups, sprint planning, backlog grooming, and retrospectives within an Agile (Scrum) environment.

Provide regular test status updates, defect metrics, and release readiness inputs to QA leads and product stakeholders, improving visibility and decision-making.

Tools Used: Selenium WebDriver, PyTest, TestNG, Python, SQL, PostgreSQL, Amazon Redshift, Postman, Newman, Jenkins, GitHub Actions, JIRA, Git

Tata Consultancy Services (TCS) – Chennai, India QA Engineer July 2021 – July 2023 Project: Enterprise Data Validation & Reporting Platform Responsibilities & Achievements:

Supported QA activities across multiple enterprise releases in a global delivery environment, adhering to TCS quality standards.

Executed 200+ functional, system, and regression test cases using Selenium WebDriver and TestNG, improving overall test coverage by 35%.

Performed backend data validation on large-scale enterprise datasets using Oracle and SQL Server, ensuring accuracy of transformations, joins, and aggregations.

Validated batch ETL jobs processing high-volume transactional and financial data, achieving near-zero data leakage in production.

Played a key role in data migration testing, identifying and resolving 95% of data mismatches before go-live.

Developed Python scripts to automate repetitive data comparison tasks, reducing manual validation effort by 45%.

Conducted API testing for backend services using Postman and REST Assured, improving service reliability and integration stability.

Supported multiple UAT cycles, coordinating with business users and onsite teams to achieve 100% UAT sign-off.

Managed defect lifecycle using JIRA and Zephyr, maintaining clear traceability between requirements, test cases, and defects. Tools Used: Selenium WebDriver, TestNG, Python, SQL, Oracle, SQL Server, Postman, REST Assured, JIRA, Zephyr, Git Celigo – Hyderabad, India QA / ETL Test Engineer June 2020 – June 2021 Project: Legacy Reporting System Modernization

Responsibilities & Achievements:

Performed ETL testing for legacy-to-modern data workflows, validating extraction, transformation, and load logic across multiple datasets.

Executed functional, regression, and system testing during platform migration, contributing to a 25% improvement in reporting accuracy.

Validated data accuracy, null handling, duplicates, and referential integrity using complex SQL queries across staging and target tables.

Conducted basic performance and volume testing using JMeter, ensuring ETL jobs met defined SLAs and load thresholds.

Created and maintained 100+ test cases and execution reports in TestRail, ensuring compliance with STLC processes.

Collaborated with development teams to identify root causes, reducing recurring defects by 20%.

Supported business users during report validation and UAT, ensuring smooth transition from legacy systems. Tools Used: SQL, Python, Selenium WebDriver, JMeter, TestRail, JIRA, Git EDUCATION

Master of Science, Computer Engineering Aug 2023 – May 2025 California State University, Northridge, CA

Bachelor of Technology, Electrical and Electronics Engineering Aug 2017 – May 2021 Vardhaman College of Engineering, India

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