Meta Frontend Developer Interview Questions (2026)

Landing a Frontend 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 Frontend 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 Frontend Developer Interviews Are Different

Meta Frontend Developer interviews differ from standard Frontend 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 Frontend Developer Interview Questions at Meta

1. Meta candidates should prepare for: Explain the difference between var, let, and const in JavaScript.
2. At Meta, you might be asked: How does the virtual DOM work in React?
3. Meta candidates should prepare for: What are CSS Flexbox and Grid, and when would you use each?
4. Expect this at Meta: Explain event delegation in JavaScript.
5. Meta candidates should prepare for: How do you optimize website performance?
6. Meta candidates should prepare for: What is the difference between server-side rendering and client-side rendering?
7. Meta interviewers often ask: Describe the CSS box model.
8. At Meta, you might be asked: How do you handle state management in large React applications?
9. A common Meta interview question: What are Web Accessibility (a11y) best practices?
10. At Meta, you might be asked: Explain the concept of closures in JavaScript.

Meta-Specific Preparation Tips for Frontend 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 Frontend Developer Interview Tips

• Build a portfolio of projects showcasing your frontend skills
• Practice implementing UI components from scratch
• Know the fundamentals of HTML, CSS, and JavaScript deeply
• Be ready to discuss performance optimization techniques

Preparation Timeline for Meta Frontend 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 Frontend Developer Interview with HireFlow AI — our AI adapts to Meta's interview style and gives real-time feedback.