#System Design

The interview process at Paytm consisted of three rounds, focusing on Data Structures and Algorithms (DSA) as well as System Design concepts. Candidates faced a mix of coding challenges and design questions, with increasing difficulty as they progressed. Overall, the experience was engaging, providing insights into technical problem-solving and design skills required at Paytm.

The interview process at Delhivery consisted of two rounds focused on technical skills and low-level design. Candidates faced a variety of questions ranging from architecture choices to coding challenges and database design concepts. The overall difficulty was medium, with a blend of theoretical and practical questions that tested both knowledge and application skills.

The interview process at JPMorganChase consisted of four comprehensive rounds covering DSA, Core Java, System Design, Software Development Practices, and Managerial discussions. Round 1 focused on data structures, algorithms, and deep Java internals, while Round 2 evaluated high-level system design with a focus on dynamic pricing and concurrency. Round 3 deeply explored production-grade practices including Kafka, security compliance, Spring Boot, and Kubernetes/Istio deployments, concluding with a behavioral Round 4.

The Salesforce interview process comprised five distinct rounds starting with an Online Assessment on HackerRank focusing on Arrays, Strings, and Graphs. This was followed by a Virtual Screening round and two Onsite technical rounds that heavily tested Data Structures and Algorithms, binary search, heaps, dynamic programming, and low-level data structure design. The process concluded with a comprehensive Hiring Manager round covering behavioral aspects, past project architecture, ownership, and conflict resolution. Overall, the interview was moderately difficult and placed a strong emphasis on clean code, optimization, and system design fundamentals.

The interview process at Zomato consisted of four comprehensive rounds covering DSA, High-Level Design (HLD), Low-Level Design (LLD), and culture fit. Candidates were tested on dynamic programming, large-scale storage architecture, hands-on concurrency coding, and specific domain challenges like Zomato's restaurant schema and tracking systems. Overall, the interview experience was challenging with a heavy emphasis on practical system design and engineering tradeoffs.