Company vault
Digital services — Java, SQL, and agile team interviews.
Questions
100
Reported in Cognizant interview loops. System design testing token bucket, sliding window, and Redis coordination.
Reported in Cognizant interview loops. Mid-to-senior design spanning WebSockets, message storage, and presence.
Reported in Cognizant interview loops. Caching patterns for system design and backend performance tuning.
Reported in Cognizant interview loops. Infrastructure design question covering L4/L7 balancers and health checks.
Reported in Cognizant interview loops. Behavioral STAR question assessing collaboration and conflict resolution.
Reported in Cognizant interview loops. Leadership behavioral question for senior and lead engineering tracks.
Reported in Cognizant interview loops. Managerial and lead-round question on coaching, feedback, and growth.
Reported in Cognizant interview loops. HR negotiation question requiring research and flexible framing.
Reported in Cognizant interview loops. API design question covering resources, HTTP semantics, and versioning.
Reported in Cognizant interview loops. Architecture trade-off question for mid-level backend and platform roles.
Reported in Cognizant interview loops. DevOps fundamentals for mid-level engineers discussing automation and quality gates.
Reported in Cognizant interview loops. Testing strategy question covering pyramid, mocks, and confidence vs speed.
Reported in Cognizant interview loops. Java-specific collections question on buckets, hashing, and resize behavior.
Reported in Cognizant interview loops. Core JavaScript concurrency model question for frontend and Node.js roles.
Reported in Cognizant interview loops. Python-specific question on threading limits and multiprocessing alternatives.
Reported in Cognizant interview loops. React hooks question on local state complexity and predictable updates.
Reported in Cognizant interview loops. Node.js architecture question on libuv, event loop phases, and worker threads.
Reported in Cognizant interview loops. SQL performance question covering B-trees, composite indexes, and trade-offs.
Reported in Cognizant interview loops. Distributed data question bridging SQL transactions and NoSQL eventual consistency.
Reported in Cognizant interview loops. Web fundamentals question essential for API and backend interviews.