Rakesh Vardan is a Principal Software Engineer at Medtronic with over 15 years of experience in software engineering and test automation. He has led automation initiatives at Medtronic and EPAM Systems, architecting full-suite regression and CI/CD frameworks using Java, Selenium, REST-Assured, and DevOps tools. Rakesh has mentored over 60 mentees through 10,227+ minutes on Preplaced, authored a full Java test automation course on GeeksforGeeks, and spoke at TestIstanbul 2024 on deploying LLMs via Ollama. His stack spans Java, .NET, Spring Boot, Cypress, Playwright, Docker, Kubernetes, Terraform, and more. He holds certifications including GCP Architect, Azure AI Fundamentals (AZ-900), and ISTQB credentials. As a tech blogger and speaker, Rakesh now focuses on building scalable, maintainable, and cloud-resilient automation frameworks that align with modern testing and DevOps workflows.
Published Articles: 6
Articles by Author
![AI/ML Testing: A Complete Guide [2026] | TestMu AI (Formerly LambdaTest)](https://assets.testmuai.com/resources/images/ai-ml-testing-og.png)
Software Testing
AI/ML Testing: A Complete Guide [2026] | TestMu AI (Formerly LambdaTest)AI/ML testing validates model accuracy, fairness, security, and drift in production. Learn the types, tools, and strategy for building reliable AI systems.
April 29, 2026
Playwright
Puppeteer vs Playwright: Timed Benchmarks and MCP Support | TestMu AI (Formerly LambdaTest)We timed Puppeteer and Playwright on identical cloud browsers across 10 runs. See the per-phase numbers, which has a maintained MCP server, and how to migrate.
August 7, 2026
Selenium
Puppeteer vs Selenium: Which to Choose?Compare Puppeteer vs Selenium to choose the best web automation framework. Explore features, pros, and use cases to boost your testing efficiency.
November 30, 2025
Automation
What Is a Sandbox Environment? Types, Setup and Testing | TestMu AI (Formerly LambdaTest)A sandbox environment is an isolated test environment that runs code separately from production. Learn the five types, how to set one up, and when to use each.
August 7, 2026
Selenium
9 Best Selenium Alternatives in Aug 2026 (Tested)Compare 9 alternatives to Selenium, from Playwright and Cypress to Selenide and KaneAI, on speed, maintenance, language support, and migration cost.
August 10, 2026
Selenium
Building Automated Testing Pipeline With Semaphore CI And Selenium Grid | TestMu AI (Formerly LambdaTest)In this blog, we will see how to build an automated testing pipeline with Semaphore CI and cloud Selenium Grid.
April 15, 2024
