Company

LinkedIn

Real interview questions with expert answers, plain-English explanations, and practical examples. (9 questions)

LinkedIn Backend Developer Databases

How would a backend developer design a scalable database schema for a social graph, optimizing for connection queries and profile data access?

Read answer →
LinkedIn Mobile Developer Performance Optimization

A LinkedIn mobile application is experiencing slow loading and janky scrolling. How would a mobile developer diagnose and resolve these performance issues?

Read answer →
LinkedIn Data Engineer Performance Optimization

How would a LinkedIn Data Engineer optimize a large-scale data ingestion pipeline for performance and cost?

Read answer →
LinkedIn SRE System Design

As an SRE at LinkedIn, how would you design a highly scalable and resilient content distribution system for a global social network, ensuring low latency and high availability?

Read answer →
LinkedIn Backend Developer Data Structures & Algorithms

When designing a social network feed, how would a backend developer at LinkedIn choose and implement data structures for efficient storage and retrieval of connections and posts?

Read answer →
LinkedIn SRE Monitoring

How would you establish a robust monitoring and alerting strategy to ensure the reliability of a critical, distributed service?

Read answer →
LinkedIn DevOps Engineer CI/CD

Explain Continuous Integration and Continuous Delivery, and how do they benefit a development team?

Read answer →
LinkedIn Full Stack Developer API Design

What are the core principles of RESTful API design, and how do they improve scalability and maintainability?

Read answer →
LinkedIn Backend Developer Authentication & Authorization

When would you choose OAuth 2.0 over API Keys for third-party access, and what are the key flows involved?

Read answer →