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Atul Singh

@atulsingh9

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SDET at Astronomer building AI-driven Airflow release validation and continuous regression coverage.

India

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At Astronomer, I lead regression automation for Apache Airflow and converted 150+ manual QA cases into continuous CI coverage across 10+ major features. I also designed an AI-agent-driven system to validate Astro Runtime alpha releases end to end.

I built Playwright UI regression automation for Airflow 3.0 and Locust-based load testing for Airflow’s execution API. I’ve also fixed release-blocking bugs and improved CI reliability across 45+ pull requests.

Previously, at SymphonyAI, I tested AI copilot responses, including hallucination detection and RAG behavior. At Planview India Pvt Ltd, PlanSource India Pvt Ltd, and Sapiens Technologies (India) Pvt Ltd, I developed automation frameworks and worked across API, data migration, and regression testing.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Development Engineer in Test

Current

Astronomer

Sep 2024 - Present (2 years 1 month)

Owned and maintained the official Apache Airflow 3.3 Test Plan, designed an AI-agent-driven QA system, and led regression automation for 10+ major features. Reviewed and merged 173 automation PRs and improved CI/CD reliability.

Airflow Selenium Playwright Python Java Jenkins GitHub Actions CircleCi Locust Claude Agent SDK Vertex AI Kubernetes Jira Allure Reporting

Senior Software Development Engineer in Test

SymphonyAI

Jul 2023 - Aug 2024 (1 year 1 month)

Owned and extended the Python automation framework for AI copilot products, including prompt/response evaluation and hallucination detection. Led triage of pipeline failures and directed regression testing cycles.

Python Selenium Jenkins Azure DevOps Jira AI LLM Testing RAG Pipeline Testing Prompt Evaluation Hallucination Detection

Software Development Engineer in Test

Planview

Jul 2022 - Mar 2023 (8 months)

Architected an API test framework using Python Requests and built a UI automation framework with Playwright and JavaScript. Owned resolution of CI suite failures and drove regression testing sign-off.

Python requests Playwright JavaScript Jenkins GitHub Actions API Testing UI Automation

Senior Software QA Engineer

PlanSource

Jul 2021 - Jul 2022 (1 year)

Designed and led development of a keyword-driven automation framework using Selenium WebDriver and Python, scaling regression coverage to ~400 test cases. Trained and mentored 9 new hires and directed API testing strategy.

Selenium Webdriver Python Keyword Driven Testing API Testing Postman Jenkins Jira Mentorship

Quality Analyst

Sapiens Technologies

Sep 2017 - Jun 2021 (3 years 9 months)

Designed and developed a hybrid automation framework using Selenium WebDriver and Java. Led data migration and data leakage testing efforts validating ~1.5M records via direct database validation.

Selenium Webdriver Java Hybrid Frameworks Data Migration Testing Jira Azure DevOps SQL