Hi, I'm Lalit a Senior Software Engineer at Kotak Mahindra Bank with 6.5+ years of experience building scalable backend systems and distributed applications. Previously, I worked at Expedia Group and Arcesium, where I gained hands-on experience developing high-scale, production-grade systems. Throughout my career, I've successfully cracked SDE II/SDE III interview processes and secured offers from top product-based companies, including Amazon, Microsoft, Razorpay, Paytm, Inshorts, Sigmoid, Licious, and Expedia. I enjoy mentoring software engineers and helping them navigate their journey to top tech companies. Whether you're looking for guidance on DSA, Low-Level Design, System Design, backend engineering, resume reviews, mock interviews, or career planning, I'll share practical insights, proven preparation strategies, and interview experiences that have helped me succeed. Throughout my career I have applied to 200+ companies and got a chance to give 70+ companies interviews, It includes Google, Amazon, Microsoft, Uber, OLA, DP-World, Tekion, Ajio, Myntra, MakeMyTrip, Expedia Group, Licious, LiveSpace, Netapp, Tower Research, BCG, Lenskart. By the grace of God I have receive 20+ offers. In the last 8 years, I did many questions (over 7000) on CodeChef, LeetCode, SPOJ, CodeForces, AtCoder, TopCoder, HackerRank, HackerEarth, and GeeksForGeeks. You can check some of my profile/posts - LeetCode : https://leetcode.com/lalitkoli11121998/ Linkedin: https://www.linkedin.com/in/lalit-kumar-b0a116157/ Codechef: https://www.codechef.com/users/lalitkoli You have heard that "The one who has faced failures can teach you well" I will try my best to help you out.