SDET with Automated Testing & Data Validation

Sindhu Sundararajan

+1-857-***-**** ********************@*****.*** linkedin.com/in/sindhusundararajan. Software Development Engineer in Test (SDET) with 5+ years of experience in functional, regression, API, and database testing across SaaS, retail, and finance domains. Skilled in Python, Selenium, PyTest, TestNG, Appium, and REST Assured, with hands-on experience designing test automation frameworks and validating data pipelines (Snowflake, MySQL, ETL). Adept at Agile collaboration, partnering closely with developers to implement quality checks within CI/CD pipelines (Jenkins) and enhance release efficiency. Focused on improving test coverage, reducing manual effort, and ensuring high-quality software delivery through robust automation and data-driven testing strategies. EDUCATION

Northeastern University Sep 2022 – Jul 2024

Master of Professional Studies - Analytics (Specialization: Applied Machine Intelligence)Boston, USA Anna University Jul 2014 – May 2017

B.E. in Computer Science Tiruchirappalli, India

WORK EXPERIENCE

Software Development Engineer in Test Sep 2024 – Present Community Dream Foundation Remote, USA

● Designed and executed functional, regression, and sanity test cases for TaskVerse workflows, ensuring smooth Slack integration and reducing manual testing effort by 20%.

● Implemented Playwright (JavaScript) and TestNG frameworks for Web UI automation, and API automation with Postman, increasing test coverage and shortening regression cycles.

● Collaborated with developers and business stakeholders on defect management, re-testing, and validation, enabling stable releases.

Software Development Engineer in Test Jul 2023 – Dec 2023 New York State Office-ITS Albany, USA

● Developed and executed comprehensive test cases for Tax and Finance applications, ensuring end-to-end workflow validation and regulatory compliance.

● Implemented PyTest-based automation scripts for functional and performance testing, analyzing test results to identify optimization opportunities.

● Automated API testing using Swagger to validate endpoints, response codes, and payload integrity, ensuring system reliability.

● Collaborated with cross-functional teams in Agile sprints for requirement analysis, defect triage, and UAT support. Software Development Engineer in Test Apr 2019 – Sep 2022 Cognizant Technology Solutions Chennai, India

● Built Python automation framework (PyTest, Selenium, Appium) with reusable components and SQL validation scripts, reducing regression testing time by 60% and establishing team standard for UI and mobile web testing.

● Validated mobile-responsive applications across iOS Safari, Android Chrome, and desktop browsers (Chrome, Firefox, Edge), ensuring seamless cross-platform user experience and touch interaction compatibility

● Built Python (PyTest, unittest) regression suites for key retail apps, reducing manual testing effort..

● Implemented logic validation automation with all-pair testing, cutting 80 days of effort to 5 days.

● Monitored CI/CD pipelines to support automation integration and ensure smooth, reliable delivery processes.

● Automated retail workflows (order management, promotions, campaign tracking), boosting test coverage and accelerating release cycles.

● Enhanced automation frameworks with reusable Python utilities, SQL validation scripts, and modular design, improving scalability and maintainability.

● Performed ETL/database testing (MySQL, Snowflake) and API automation (Python Requests, PyTest), ensuring data accuracy, schema compliance, and reliability.

● Collaborated in requirement walkthroughs, clarifications, and defect triage, improving JIRA defect turnaround and aligning QA with business needs.

● Mentored junior QA Engineers on Python automation, SQL testing, and ETL validation, strengthening team capability and knowledge sharing..

SKILLS & CERTIFICATIONS

● Programming & Scripting: Python (PyTest, unittest, Requests), SQL (MySQL), Javascript,Node.js

● Test Automation: Selenium, Playwright, Appium, REST Assured, Postman, JUnit, TestNG

● API Testing & Tools: Swagger (OpenAPI), Postman, Schema Validation, API Contract Testing

● Algorithm & Performance Testing: Algorithm validation, Performance metrics analysis, Statistical analysis

● Data Analysis & Visualization: Pandas, Matplotlib, Descriptive statistics, Tableau Dashboards, Charting/reporting

● Test Management & Collaboration: Jira, TestRail, Confluence, Agile/Scrum, RCA, KPIs

● CI/CD & DevOps: Git, GitHub, Azure DevOps, Jenkins, Docker, Terraform

● Cloud & Data Testing: AWS, Microsoft Azure, ETL/Database Testing, Data Pipeline Validation, Jupyter Notebooks

● Certifications: Salesforce-Tableau Desktop Foundation Google Analytics GA4 Certification, HubSpot Inbound Marketing Certification, Microsoft Azure Fundamentals (AZ-900), AWS Certified Solutions Architect – Associate, PMP UC-Irvine ACADEMIC PROJECTS

Project: Predict Product Buying Patterns

● Tech Used: AWS, S3, DynamoDB, Python, SQL

● Applied K-Means Clustering and Market Basket Analysis to segment customers and identify product bundling opportunities.

● Created a reusable segmentation pipeline in Python to support yearly updates using new sales data.

● Delivered insights to inform loyalty campaigns, digital offers, and retention strategies. Project: AI-Powered Investment Portfolio Optimization

● Tech Used: Python, SQL, PostgreSQL, Snowflake, Power BI, Pandas, Matplotlib, Streamlit, Docker

● Developed end-to-end data pipeline integrating PostgreSQL, Snowflake & Power BI to automate stock trend analysis.

● Implemented risk-return analytics & visualizations, improving investment decision insights by 35%.

Contact this candidate