Problem of the day
Tip 1 : Focus on internals of Data structure on how it actually works
Tip 2 : Implement the Data Structure from scratch, later you can use the inbuilt packages no problem but you must know the implementation
Tip 3 : Understand System Design concepts
Tip 1 : Highlight your contributions you made and how it impacted the business and be real
Tip 2 : Mention the improvement figures like x% reduction in page load size, improved SEO ranking by x figure, reduce memory usage by y%
Interviewer was quite supportive and helpful.
Environment was normal as usual and it was morning time
The interviewer was not interactive and didn't gave any feedback whatsoever.
It was Hiring Manager Round
Interviewer was Software Development Manager at Amazon