Meta Full Stack Developer Interview Questions (2026)

Landing a Full Stack Developer role at Meta requires targeted preparation. Meta uses a structured interview process with a coding round, system design round, and behavioral round. Coding interviews focus on algorithms and data structures with emphasis on optimal solutions. System design questions test your ability to build scalable social and real-time applications. Behavioral questions focus on your ability to move fast and create impact. This guide covers the most frequently asked questions and insider tips to help you succeed in your Meta Full Stack Developer interview.

About the Meta Interview Process

Meta interviews combine coding assessments with system design and behavioral questions focused on impact and moving fast.

Meta uses a structured interview process with a coding round, system design round, and behavioral round. Coding interviews focus on algorithms and data structures with emphasis on optimal solutions. System design questions test your ability to build scalable social and real-time applications. Behavioral questions focus on your ability to move fast and create impact.

Why Meta Full Stack Developer Interviews Are Different

Meta Full Stack Developer interviews differ from standard Full Stack Developer interviews in several key ways. The company has a unique interview culture, specific evaluation criteria, and expects candidates to demonstrate alignment with their values and mission. Understanding these differences gives you a significant advantage over other candidates.

Top 10 Full Stack Developer Interview Questions at Meta

1. Meta interviewers often ask: How do you decide what logic goes on the frontend vs backend?
2. Meta interviewers often ask: Describe your experience with both SQL and NoSQL databases.
3. A common Meta interview question: How would you implement real-time features in a web application?
4. Meta candidates should prepare for: Explain the full lifecycle of an HTTP request.
5. Meta candidates should prepare for: How do you handle authentication across frontend and backend?
6. Meta interviewers often ask: What deployment strategies do you prefer and why?
7. Expect this at Meta: How do you ensure consistency between frontend and backend data models?
8. Expect this at Meta: Describe a project where you built both the frontend and backend.
9. At Meta, you might be asked: How do you handle API versioning?
10. Meta candidates should prepare for: What is your approach to testing full-stack applications?

Meta-Specific Preparation Tips for Full Stack Developer Candidates

• Practice medium to hard coding problems focusing on optimal time and space complexity
• Study system design for social networks, messaging, and real-time feeds
• Prepare stories demonstrating bold decisions and moving fast with impact
• Be ready to discuss how you handle disagreements and drive consensus
• Practice coding on a shared screen or whiteboard environment

General Full Stack Developer Interview Tips

• Be comfortable discussing both frontend and backend concepts
• Prepare examples of end-to-end features you've built
• Understand DevOps basics like CI/CD and containerization
• Know how to optimize both client and server performance

Preparation Timeline for Meta Full Stack Developer Interviews

• 4 weeks before: Research Meta culture, recent news, and the specific team you are applying to.
• 2-3 weeks before: Practice technical questions daily and prepare behavioral stories using the STAR method.
• 1 week before: Do full mock interviews with HireFlow AI simulating Meta interview style.
• Day before: Review your notes, prepare questions for the interviewer, and get a good night of rest.

Practice Meta Full Stack Developer Interview with HireFlow AI — our AI adapts to Meta's interview style and gives real-time feedback.