Software Development Engineer 1
Maximum Alternating Sum After Right-Shifting a Subarray
Find the maximum alternating sum of an array after applying a right-shift operation on an arbitrary subarray.
This question was asked in
Blinkit Software Development Engineer 1 Interview Experience
The Blinkit interview process consisted of three comprehensive rounds evaluating problem solving, high-level system design, and cultural alignment. Round 1 focused on data structures, algorithmic coding, and core CS fundamentals. Round 2 deeply evaluated system design skills through designing a scalable promo code engine alongside distributed systems and database concepts, while Round 3 covered behavioral questions, project architecture, and messaging tradeoffs. Overall, the interview was moderately difficult with an emphasis on production systems, distributed caching, and practical engineering trade-offs.