Kotak Software Engineer interview: Two Sum, food delivery design, and trade-offs

I started with a BarRaiser-style first round that mixed DSA, low-level design, and distributed systems. It lasted about 1.5 hours and leaned hard on fundamentals, with little time spent on my resume. For DSA, I got classic array problems such as Two Sum and a buy/sell-stocks style question. For low-level design, I designed a food-delivery system like Swiggy or Zomato, discussing classes, relation…

Shared by a candidate · reported Jul 2026. Interview formats change; use it as a guide, not a script.