Role

Backend Developer

Real interview questions with expert answers, plain-English explanations, and practical examples. (41 questions)

Salesforce Backend Developer Databases

When would a backend developer choose different database isolation levels for a Salesforce application, and what are the trade-offs?

Read answer →
Salesforce Backend Developer Concurrency

Explain consistency models beyond eventual consistency in distributed systems, and how would a backend developer choose one for a critical microservice?

Read answer →
ServiceNow Backend Developer Concurrency

Beyond Mutexes: How do semaphores differ from mutexes, and when would a backend developer choose one over the other for resource management?

Read answer →
Amazon Backend Developer System Design

How would you design a distributed ride-sharing service like Uber or Lyft?

Read answer →
Netflix Backend Developer API Design

How does Netflix design its APIs for high scalability and resilience in a microservices architecture?

Read answer →
Tech Mahindra Backend Developer Concurrency

How do distributed locks work in a microservices environment, and what are their challenges?

Read answer →
Atlassian Backend Developer API Design

How do you design an API that supports both synchronous and asynchronous operations, and what are the trade-offs?

Read answer →
Netflix Backend Developer Message Queues

How do message queues enable asynchronous communication and decouple microservices, and what are the patterns involved?

Read answer →
TCS Backend Developer System Design

How would you design a scalable microservices architecture for an online food delivery platform?

Read answer →
Honeywell Backend Developer Caching

How do you decide what data to cache in a backend service, and what are the trade-offs of different caching tiers?

Read answer →
1 2 3 … 5