Top 50 Stream Processing Interview Questions
The most frequently asked Stream Processing questions across all roles and companies, ranked by real interview frequency. Updated daily.
Maintain the median after each integer arrives in a stream using two heaps with logarithmic insertion time.
Sprinklr
TekionDetect real-time sensor anomalies by comparing each value with the mean and standard deviation of its preceding sliding window.
Woven By Toyota
Siemens EnergyLLeonardoFind a value's sorted rank with binary search, then replace the first matching value in an array list.
HarnessUse a sliding window and deque to flag transaction indices with at least two logs in the active time window.
Mastercard
RemitlyAggregate per-city Lyft ride counts and fares in trailing time windows using queues and running totals.
Lyft
Corva (TX)Detect streaming value anomalies with a deque and rolling mean and variance over a time window.
Crowdstrike
TwilioProcess a character stream and report the first non-repeating character after each new character.
Uber
XeroDetect values that deviate from a rolling window using constant-memory mean and variance updates.
VerilySign up to see every question
Create a free account to unlock this list and practice real interview questions.