Sumit Kumar is a Backend Software Engineer with 2+ years of experience in building scalable and reliable systems using Node.js, Express.js, MongoDB, MySQL, and Appium. He has worked on designing APIs, managing databases, and integrating complex applications, with additional expertise in Redis, RESTful APIs, and AWS. A former Technical Writer at LambdaTest, Sumit has also contributed technical content on testing and development practices. He holds a BCA in Information Technology and is pursuing his MCA in Computer Science from SRM University
Published Articles: 5
Articles by Author

Discover Angular test cases examples to optimize your application's performance. Elevate your Angular testing game with these Angular test cases examples.
December 7, 2023

Ace your Appium interviews with our comprehensive guide on 100+ Appium Interview Questions and Answers. Boost your mobile testing knowledge and showcase your Appium expertise.
September 22, 2025

Dive into Manual Testing Interview Questions! Ace your interview with our guide on key Manual Testing Interview Questions for aspiring testers.
December 8, 2023

Discover the top 45+ mobile testing interview questions. Prepare effectively for your next interview with these key questions and expert insights.
September 3, 2025

Here's 295+ Selenium Interview Questions with Answers for 2025 that will help you boost your confidence in an Interview
September 3, 2025