TCS Software Engineer interview experience

The live format was around 30–45 minutes, and it leaned on both explanation and small coding work. I remember being asked about JavaScript fundamentals like closures and how this works, plus async behavior with promises and async/await.

On the React side, the questions covered props and state, and how React handles lifecycle behavior through hooks. I also had to talk through component design tradeoffs like controlled versus uncontrolled patterns and composition. The coding portion was a small build: it involved implementing a compact component idea and handling loading/error states when