This book presents 240 challenging questions and answers on data structures, algorithms, code optimization, Java, databases, and C programming for IT professionals to practice. Readers are encouraged to solve problems themselves before checking the answers. This book aims to help you crack any programming interview—be it in C, Java, databases, data structures, algorithms, or code optimization—and become a better programmer. Written concisely, you can complete it in a few hours and be ready for any interview.
Chinmoy Mukherjee is working as solution architect. Here are his achievements:
1. First engineer to work in 50 real life software projects as individual contributor in past 24.5 years
2. Ethically hacked Baba Bank, could retrieve complete customer data base
3. First engineer among 500000 engineers ever worked in HCLTech to download all 1000 certificates offered by HCL
4. Defeated Infosys in 3 RFPs being part of underdog teams
5. Architected 8 complex systems(catering millions of transactions/day) from scratch. I am AWS certified architect.
6. Listed in top 100 security researcher in the world for Microsoft for Q4, 2022
7. Re-engineered 7 complex legacy systems, improved their performance by 15-30%. I am GCP certified architect.
8. Got 3 patents granted in USA and Australia
9. Designed, developed, deployed, patented "Patient Analytics" system. Clinical trial for "Patient Analytics" was successful in India
10. Broke Premium GenAI platform OlaKrutim
11. Got bug bounties from Uber, Apple, Mastercard, Octopus Australia, MagicLeap and Paysafe
12. Was able to order Porsche car without paying and just got meagre 1050 USD as bug bounty
13. Achieved "Remote code execution" in JPMC
14. Wrote 4 best selling kindle eBooks(3 technical, 1 parody)
15. Published a technical books via Springer, 20000+ software engineers benefited from my book, it is used as text book in one of the top University in India
16. Published 5 papers in IEEE, ACWR, etc.
17. Was able to download /etc/shadow files from Telstra, Infosys and Tata Fiber VPNs
18. Achieved remote code execution in Solana
19. Reported critical security vulnerabilities to 50+ Australian companies
20. Was able to login as any user in Nobroker, found Account takeover XSS in Adda
21. Was listed in top 100 security researchers in Google's Hall of fame
22. Designed, developed and deployed first UMTS network in USA for Sprint network
23. Mentored 50+ engineers
24. Interviewed more than 100+ engineers, 25+ of the engineers were hired
25. First team in India to develop and deploy tokens on Ethereum block chain and list tokens in exchanges
26. Got "Security Files" for 50+ Fortune 500 companies