The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Backend Engineer
•
System Design
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medium
Design a URL Shortener service like Bitly. Focus on the data model and the algorithm for generating the short URL.
#Scalability
#Hashing
#Database Design
Backend Engineer
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System Design
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hard
Design an API Rate Limiter for a multi-tenant enterprise application to prevent abuse.
#Distributed Systems
#Algorithms
#Redis
Backend Engineer
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System Design
•
medium
How would you design a highly available and scalable notification service that sends Emails, SMS, and Push Notifications?
#Asynchronous Processing
#Message Queues
#Microservices
Backend Engineer
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System Design
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medium
Explain the API Gateway pattern. What cross-cutting concerns should be handled at the API Gateway level versus the Microservice level?
#Architecture
#Security
#Routing
Backend Engineer
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System Design
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hard
How do you ensure idempotency in a REST API, specifically for a payment processing endpoint?
#API Design
#Idempotency
#Payments
Backend Engineer
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System Design
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medium
Explain the Circuit Breaker pattern. How does it work, and how would you implement it in a Spring Boot application?
#Fault Tolerance
#Resilience4j
#Microservices
Backend Engineer
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System Design
•
medium
Compare Kafka and RabbitMQ. When would you choose Kafka over RabbitMQ for an event-driven architecture?
#Message Brokers
#Event Streaming
#Kafka
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.