Q11. What are your salary expectations?
Anchor on research, not on your current salary. - Research the market range for the role, level and location (levels.fyi, Glassdoor, industry surveys, peers). - Give a re...
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Q12. Explain dynamic programming and when to apply it.
DP solves problems with overlapping subproblems and optimal substructure by storing results and reusing them. Two styles: - Top-down memoisation: recursion plus a cache, ...
Q13. How does the Java memory model and garbage collection work?
Memory is divided into heap (shared objects) and per-thread stacks (frames, locals). The heap has a young generation (Eden plus two survivor spaces) and an old generation...
Q14. What is the GIL and how does it affect concurrency?
The Global Interpreter Lock is a mutex in CPython that allows only one thread to execute Python bytecode at a time. Consequences: - CPU-bound multithreading does not get ...
Q15. How would you build a rolling 12 month cash flow forecast?
I build the forecast from drivers, not from a flat growth assumption. First I establish the opening cash balance, then project inflows and outflows month by month for the...
Q16. How do you qualify a deal using a framework like BANT or MEDDIC?
BANT and MEDDIC are qualification frameworks that force honesty about whether a deal is real. BANT covers Budget, Authority, Need and Timing. It is simple and useful for ...
Q17. How do you implement a distributed lock with Redis?
A common implementation is SET key value NX PX ttl. NX sets the key only if it does not exist, and PX gives the lock an expiry so a crashed holder cannot deadlock the sys...
Q18. What are Angular signals and how do they change reactivity?
Signals are Angular's fine-grained reactive primitive. A signal(0) holds a value; reading it with count() registers the consumer as a dependency, and writing with count.s...
Q19. How do you secure a Kubernetes or cloud deployment?
Defence in depth: - Identity: least-privilege IAM roles, workload identity, no long-lived static keys, and RBAC scoped per namespace. - Network: private subnets, security...
Q20. What causes a deadlock and how do you prevent it?
A deadlock needs four conditions: mutual exclusion, hold-and-wait, no preemption and circular wait. Classic case: thread A locks X then waits for Y while thread B locks Y...