Company interview vault

Swiggy Mid-level (3–5 years) Technical deep dive

#4261

What is the Python GIL and how does it affect concurrency? — Swiggy interview

Reported in Swiggy interview loops. Python-specific question on threading limits and multiprocessing alternatives.

Medium Read answer →

Swiggy Mid-level (3–5 years) Technical deep dive

#4262

Explain the JavaScript event loop, call stack, and task queues — Swiggy interview

Reported in Swiggy interview loops. Core JavaScript concurrency model question for frontend and Node.js roles.

Medium Read answer →

Swiggy Mid-level (3–5 years) Technical deep dive

#4263

How does HashMap work internally in Java? — Swiggy interview

Reported in Swiggy interview loops. Java-specific collections question on buckets, hashing, and resize behavior.

Medium Read answer →

Swiggy Mid-level (3–5 years) Technical deep dive

#4264

What is the difference between unit and integration tests? — Swiggy interview

Reported in Swiggy interview loops. Testing strategy question covering pyramid, mocks, and confidence vs speed.

Easy Read answer →

Swiggy Mid-level (3–5 years) Technical deep dive

#4265

Explain CI/CD and what a typical pipeline includes — Swiggy interview

Reported in Swiggy interview loops. DevOps fundamentals for mid-level engineers discussing automation and quality gates.

Medium Read answer →

Swiggy Mid-level (3–5 years) Technical deep dive

#4266

When would you choose microservices over a monolith? — Swiggy interview

Reported in Swiggy interview loops. Architecture trade-off question for mid-level backend and platform roles.

Medium Read answer →

Swiggy Mid-level (3–5 years) Technical deep dive

#4267

What principles do you follow when designing RESTful APIs? — Swiggy interview

Reported in Swiggy interview loops. API design question covering resources, HTTP semantics, and versioning.

Medium Read answer →

Swiggy Mid-level (3–5 years) Behavioral

#4268

Tell me about a time you disagreed with a teammate. How did you handle it? — Swiggy interview

Reported in Swiggy interview loops. Behavioral STAR question assessing collaboration and conflict resolution.

Medium Read answer →

Swiggy Mid-level (3–5 years) System design

#4269

Design a distributed rate limiter for an API gateway — Swiggy interview

Reported in Swiggy interview loops. System design testing token bucket, sliding window, and Redis coordination.

Medium Read answer →

Swiggy Mid-level (3–5 years) System design

#4270

Design a URL shortening service — Swiggy interview

Reported in Swiggy interview loops. Foundational system design covering APIs, encoding, storage, and read-heavy scaling.

Medium Read answer →

Swiggy Mid-level (3–5 years) Coding / DSA

#4271

Explain and implement Dijkstra's algorithm for shortest paths — Swiggy interview

Reported in Swiggy interview loops. Graph algorithm for non-negative edge weights using priority queue.

Hard Read answer →

Swiggy Mid-level (3–5 years) Coding / DSA

#4272

Solve the 0/1 knapsack problem with dynamic programming — Swiggy interview

Reported in Swiggy interview loops. Classic DP testing tabulation, space optimization, and item selection reconstruction.

Hard Read answer →

Swiggy Mid-level (3–5 years) Coding / DSA

#4273

Design and implement an LRU cache with O(1) get and put — Swiggy interview

Reported in Swiggy interview loops. Hash map plus doubly linked list problem bridging DSA and system components.

Hard Read answer →

Swiggy Mid-level (3–5 years) Coding / DSA

#4274

How many distinct ways can you climb n stairs taking 1 or 2 steps at a time? — Swiggy interview

Reported in Swiggy interview loops. Introductory dynamic programming problem isomorphic to Fibonacci.

Medium Read answer →

Flipkart Mid-level (3–5 years) Coding / DSA

#4275

How do you perform topological sort on a directed acyclic graph? — Flipkart interview

Reported in Flipkart interview loops. Graph algorithm for task scheduling, build systems, and course prerequisites.

Medium Read answer →