Interview questions asked at Bloomberg

What is REST, and how does it differ from SOAP?

Handling new requirements mid-project

Can you explain what an API is and how it works?

Describe the purpose and use of environment variables in app development.

What is HTTPS and why is it important?

What is a session in web development?

Unique contribution from past experience

Time you exceeded expectations to make a significant impact

What are the differences between synchronous and asynchronous processing in backend systems?

Describe a time you ensured the security of sensitive data in a backend system. What measures did you take?

Describe a time you implemented a complex data migration. What challenges did you face and how did you address them?

What are the benefits and drawbacks of using event-driven architecture in backend systems?

Describe how you optimized a poorly performing backend service and the steps you took.

What is the circuit breaker pattern and how does it help in building resilient microservices?

Describe when you implemented caching to boost app performance and considerations.