Backend Engineer (SDE-1) Hiring Form

Name *

Email *

Contact Number *

LinkedIn profile *

Years of Experience *

Notice Period (in days) *

Current CTC *

Expected CTC *

Resume/CV Link *

Links (GitHub, LinkedIn, Portfolio) *

In Spring Boot, which annotation is used to mark a class as a REST controller? *

@Service

@RestController

@Entity

@Repository

In MongoDB, how do you ensure fast lookup of bookings by user_id? *

Store user_id as a string always

Create an index on user_id

Use a separate collection per user

MongoDB is always fast, no action needed

What is the output of the following Java code? class Parent { public void display() { System.out.println("Parent"); } } class Child extends Parent { void display() { System.out.println("Child"); } } *

Prints "Child"

Prints "Parent"

Compilation error

Runtime error

A REST API should return flight details by ID. Which HTTP method is correct? *

POST /flights/{id}

GET /flights/{id}

DELETE /flights/{id}

PUT /flights

Which status code should an API return when a resource is not found? *

200

500

404

201

A user calls /book-hotel API. Payment succeeds but database insert fails. What should your code do? *

Write pseudocode: API receives a list of hotel IDs. Return only hotels with available_rooms > 0 from MongoDB. *

Describe a situation where you have to choose between shipping fast vs. building it right. What did you decide and why? *

Tell me about a feature or system you owned completely from ideation to delivery. How did you decide what to build? *

If you have any additional comments, stories, or context you would like to share, please do so here. *

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