New 200 Facebook Interview Questions

Introduction

Facebook, now a part of Meta Platforms, Inc., is more than just a social networking site. Imagine a place where you can connect with friends, share photos, and even find new hobbies. But did you know it’s also a hub for technology and innovation? For an IT professional, joining Facebook could be like stepping into a world of endless possibilities. Here, they use cutting-edge technologies and create amazing products that billions of people use every day. Imagine being part of a team that designs features that help people stay connected no matter where they are in the world. From virtual reality to artificial intelligence, Facebook explores everything that’s cool in technology. So, if you’re someone who loves to innovate, create, and be at the forefront of the digital world, Facebook might be the perfect place for you to grow your career and make a real impact!

Facebook Recruitment Process

1. Resume Screen

• Submission: Apply through the Meta jobs portal or be contacted directly.
• Evaluation: Recruiters evaluate your resume to see if your experience aligns with the open position.
• Tips: Be specific, emphasize leadership, and keep it to one page.
• Outcome: Approximately 90% of candidates don’t make it past this stage.

2. Recruiter Call

• Duration: 20-30 minutes.
• Content: General questions like, “Tell me about yourself,” “Why Meta?”, and an overview of the interview process.
• Outcome: If successful, you’ll move on to the phone screens.

3. Phone Screen(s)

• Number: One or two phone screens with a hiring manager and/or future peers.
• Content: Deeper questions into your past experience, technical roles may include coding.
• Outcome: If successful, you’ll proceed to the onsite interviews.

4. Onsite Interviews

• Number: Three to six interview rounds lasting 45-60 minutes each.
• Content: Specific questions related to the role you’re applying for, including coding, system design, behavioral questions, etc.
• Outcome: If successful, you’ll proceed to the debrief.

5. Debrief

• Process: Interviewers compare notes on your performance.
• Outcome: Three possible outcomes – your profile is passed on to the hiring committee, you are called back for follow-up interviews, or your profile is not passed on.

6. Candidate Review / Hiring Committee

• Process: A hiring committee reviews the information from the debrief.
• Outcome: The hiring committee makes the final decision on whether or not you will receive an offer.

7. Salary Negotiation

• Process: Negotiate your offer package with Facebook.
• Tips: Be polite, don’t give a number right away, do your research, start high, and negotiate everything.
• Outcome: Acceptance of the offer and start of your career at Facebook.

8. How to Prepare

• Resume Crafting: Follow specific guidelines to make your resume stand out.
• Interview Practice: Utilize resources like 50+ ex-Facebook interviewers for mock interviews.
• Salary Negotiation: Understand the tips and strategies for successful salary negotiation.

9. Links to Relevant Resources

• How to write a tech resume
• Facebook Interview Coaching

Exciting Opportunities for Students: Facebook’s Internships, Programs, and Competitive Events

Are you a student looking to explore the world of technology and innovation? Facebook offers a range of exciting opportunities designed just for you! From internships that allow you to gain real-world experience to programs that foster learning and growth, and even competitive events that challenge your skills, Facebook has it all. Let’s dive into the details of each one:

1. Facebook’s Student Internships

Facebook’s internship program is a fantastic chance for students to step into the tech industry and work on meaningful projects. These internships are available in various departments, including engineering, design, data science, and more. As an intern, you’ll be part of a dynamic team, collaborate on real projects, and learn from experienced professionals.

Program Link: Facebook Student Internships

2. Facebook University

Facebook University, also known as FBU, is a comprehensive program aimed at introducing students to the world of tech. This program includes hands-on workshops, coding challenges, and mentorship from Facebook employees. It’s designed to provide a supportive environment for students to enhance their skills and gain insights into the tech industry.

Program Link: Facebook University

3. Hackathons and Coding Competitions

Facebook hosts hackathons and coding competitions that allow students to showcase their coding and problem-solving abilities. These events encourage participants to think creatively and work in teams to develop innovative solutions. Hackathons are a great way to test your skills, network with other students, and even win exciting prizes.

Event Link: Facebook Hackathons

4. Facebook Engineering Challenge

The Facebook Engineering Challenge is a competition designed to challenge students’ engineering skills. It involves solving coding challenges that reflect real-world engineering problems. Participating in this challenge not only hones your coding abilities but also gives you a taste of the technical challenges that engineers at Facebook tackle daily.

Event Link: Facebook Engineering Challenge

5. Facebook Design Challenge

Are you passionate about design? The Facebook Design Challenge is tailored for students with a knack for creative and user-centered design. This challenge prompts participants to solve design problems and create intuitive user interfaces. It’s a fantastic opportunity to showcase your design thinking and creativity.

Event Link: Facebook Design Challenge

6. Facebook’s Product Management Academy

If you’re interested in product management, the Product Management Academy by Facebook is worth considering. This program provides training, mentorship, and hands-on experience in product management. It’s an excellent opportunity to learn how to develop and manage products that impact millions of users.

Program Link: Facebook’s Product Management Academy

7. Facebook Open Source Projects

For students passionate about open source, Facebook offers various open source projects that you can contribute to. These projects span different domains and provide valuable experience in collaborating with a global community of developers. Contributing to open source projects can enhance your coding skills and make a meaningful impact.

Project Link: Facebook Open Source Projects

8. Facebook Groups Fellowship

The Facebook Groups Fellowship supports students who are working on projects that foster a sense of community and connection. This fellowship provides financial support and mentorship for students who are building online platforms or initiatives that bring people together.

Program Link: Facebook Groups Fellowship

Interview Questions

Arrays and Strings

1. Two Sum: LeetCode Link
2. Maximum Subarray: LeetCode Link
3. Product of Array Except Self: LeetCode Link
4. Trapping Rain Water: LeetCode Link
5. Rotate Array: LeetCode Link
6. Best Time to Buy and Sell Stock: LeetCode Link
7. Container With Most Water: LeetCode Link
8. First Missing Positive: LeetCode Link
9. 3Sum: LeetCode Link
10. Merge Intervals: LeetCode Link
11. Valid Palindrome: LeetCode Link
12. Longest Substring Without Repeating Characters: LeetCode Link
13. Longest Palindromic Substring: LeetCode Link
14. Group Anagrams: LeetCode Link
15. ZigZag Conversion: LeetCode Link
16. Reverse Words in a String: LeetCode Link
17. Valid Parentheses: LeetCode Link
18. Longest Common Prefix: LeetCode Link
19. Palindrome Partitioning: LeetCode Link
20. Minimum Window Substring: LeetCode Link
21. Subarray Sum Equals K: LeetCode Link
22. Longest Consecutive Sequence: LeetCode Link
23. Set Matrix Zeroes: LeetCode Link
24. Next Permutation: LeetCode Link
25. Product of Array Except Self: LeetCode Link
26. Valid Sudoku: LeetCode Link
27. Combination Sum: LeetCode Link
28. Find Peak Element: LeetCode Link
29. Jump Game: LeetCode Link
30. Missing Number: LeetCode Link
31. Longest Palindromic Substring: LeetCode Link
32. Valid Anagram: LeetCode Link
33. Longest Palindromic Subsequence: LeetCode Link
34. Longest Repeating Character Replacement: LeetCode Link
35. String to Integer (atoi): LeetCode Link
36. Longest Substring with At Most K Distinct Characters: LeetCode Link
37. Longest Substring with At Least K Repeating Characters: LeetCode Link
38. Multiply Strings: LeetCode Link
39. Valid Parentheses: LeetCode Link
40. Shortest Palindrome: LeetCode Link

Linked Lists

1. Reverse Linked List: LeetCode Link
2. Remove Nth Node From End of List: LeetCode Link
3. Merge Two Sorted Lists: LeetCode Link
4. Add Two Numbers: LeetCode Link
5. Intersection of Two Linked Lists: LeetCode Link
6. Linked List Cycle: LeetCode Link
7. Odd Even Linked List: LeetCode Link
8. Partition List: LeetCode Link
9. Reorder List: LeetCode Link
10. Linked List Cycle II: LeetCode Link
11. Palindrome Linked List: LeetCode Link
12. Convert Binary Number in a Linked List to Integer: LeetCode Link
13. Copy List with Random Pointer: LeetCode Link
14. Intersection of Two Linked Lists: LeetCode Link
15. Union of Two Linked Lists: LeetCode Link
16. Flatten a Multilevel Doubly Linked List: LeetCode Link
17. Convert Sorted List to Binary Search Tree: LeetCode Link
18. LRU Cache: LeetCode Link
19. Design Linked List: LeetCode Link
20. Design Underground System: LeetCode Link

Trees and Graphs

1. Validate Binary Search Tree: LeetCode Link
2. Maximum Depth of Binary Tree: LeetCode Link
3. Lowest Common Ancestor of a Binary Tree: LeetCode Link
4. Symmetric Tree: LeetCode Link
5. Binary Tree Level Order Traversal: LeetCode Link
6. Kth Smallest Element in a BST: LeetCode Link
7. Convert Sorted Array to Binary Search Tree: LeetCode Link
8. Validate Binary Search Tree: LeetCode Link
9. Inorder Successor in BST: LeetCode Link
10. Recover Binary Search Tree: LeetCode Link
11. Clone Graph: LeetCode Link
12. Course Schedule: LeetCode Link
13. Word Ladder: LeetCode Link
14. Number of Islands: LeetCode Link
15. Alien Dictionary: LeetCode Link
16. Surrounded Regions: LeetCode Link
17. Word Search: LeetCode Link
18. Pacific Atlantic Water Flow: LeetCode Link
19. Course Schedule II: LeetCode Link
20. Walls and Gates: LeetCode Link
21. Binary Tree Inorder Traversal: LeetCode Link
22. Binary Tree Postorder Traversal: LeetCode Link
23. Binary Tree Preorder Traversal: LeetCode Link
24. Populating Next Right Pointers in Each Node: LeetCode Link
25. Construct Binary Tree from Inorder and Postorder Traversal: LeetCode Link

Dynamic Programming

1. Climbing Stairs: LeetCode Link
2. House Robber: LeetCode Link
3. Coin Change: LeetCode Link
4. Longest Increasing Subsequence: LeetCode Link
5. Unique Paths: LeetCode Link
6. Maximum Subarray: LeetCode Link
7. Best Time to Buy and Sell Stock: LeetCode Link
8. Word Break: LeetCode Link
9. Longest Palindromic Substring: LeetCode Link
10. Decode Ways: LeetCode Link
11. Edit Distance: LeetCode Link
12. Longest Common Subsequence: LeetCode Link
13. Subarray Sum Equals K: LeetCode Link
14. Minimum Path Sum: LeetCode Link
15. Regular Expression Matching: LeetCode Link
16. Palindromic Substrings: LeetCode Link
17. Unique Binary Search Trees: LeetCode Link
18. Distinct Subsequences: LeetCode Link
19. Longest Valid Parentheses: LeetCode Link
20. Paint House II: LeetCode Link

Sorting and Searching

1. Merge Intervals: LeetCode Link
2. Sort Colors: LeetCode Link
3. Largest Number: LeetCode Link
4. Meeting Rooms II: LeetCode Link
5. Insert Interval: LeetCode Link
6. Search in Rotated Sorted Array: LeetCode Link
7. First Bad Version: LeetCode Link
8. Find Peak Element: LeetCode Link
9. Find Minimum in Rotated Sorted Array: LeetCode Link
10. Search a 2D Matrix: LeetCode Link
11. Search in Rotated Sorted Array II: LeetCode Link
12. Intersection of Two Arrays II: LeetCode Link
13. Intersection of Two Arrays: LeetCode Link
14. Find K Closest Elements: LeetCode Link
15. Search Insert Position: LeetCode Link
16. First Missing Positive: LeetCode Link
17. Find the Duplicate Number: LeetCode Link
18. Missing Number: LeetCode Link
19. Search a 2D Matrix II: LeetCode Link
20. Find Minimum in Rotated Sorted Array II: LeetCode Link

Recursion and Backtracking

1. Climbing Stairs: LeetCode Link
2. Fibonacci Number: LeetCode Link
3. Pow(x, n): LeetCode Link
4. Subsets: LeetCode Link
5. Generate Parentheses: LeetCode Link
6. Permutations: LeetCode Link
7. Combination Sum: LeetCode Link
8. Letter Combinations of a Phone Number: LeetCode Link
9. Palindrome Partitioning: LeetCode Link
10. N-Queens: LeetCode Link
11. Word Search: LeetCode Link
12. Generate Parentheses: LeetCode Link
13. Combinations: LeetCode Link
14. Permutations II: LeetCode Link
15. Restore IP Addresses: LeetCode Link
16. Climbing Stairs: LeetCode Link
17. House Robber: LeetCode Link
18. Unique Paths: LeetCode Link
19. Regular Expression Matching: LeetCode Link
20. Word Break: LeetCode Link

Hashing

1. Two Sum: LeetCode Link
2. Longest Substring Without Repeating Characters: LeetCode Link
3. Group Anagrams: LeetCode Link
4. Valid Anagram: LeetCode Link
5. Subarray Sum Equals K: LeetCode Link
6. Longest Consecutive Sequence: LeetCode Link
7. Intersection of Two Arrays: LeetCode Link
8. Intersection of Two Arrays II: LeetCode Link
9. Minimum Window Substring: LeetCode Link
10. Isomorphic Strings: LeetCode Link
11. Word Pattern: LeetCode Link
12. Find All Anagrams in a String: LeetCode Link
13. Longest Palindrome: LeetCode Link
14. Substring with Concatenation of All Words: LeetCode Link
15. First Unique Character in a String: LeetCode Link
16. Longest Repeating Character Replacement: LeetCode Link
17. Longest Substring with At Most K Distinct Characters: LeetCode Link
18. Find the Difference: LeetCode Link
19. Jewels and Stones: LeetCode Link
20. Longest Substring with At Least K Repeating Characters: LeetCode Link

Greedy

1. Jump Game: LeetCode Link
2. Gas Station: LeetCode Link
3. Best Time to Buy and Sell Stock: LeetCode Link
4. Task Scheduler: LeetCode Link
5. Candy: LeetCode Link
6. Non-overlapping Intervals: LeetCode Link
7. Minimum Number of Arrows to Burst Balloons: LeetCode Link
8. Lemonade Change: LeetCode Link
9. Partition Labels: LeetCode Link
10. Queue Reconstruction by Height: LeetCode Link
11. Jump Game II: LeetCode Link
12. Assign Cookies: LeetCode Link
13. Maximum Number of Non-Overlapping Subarrays With Sum Equals Target: LeetCode Link
14. Minimum Swaps to Make Sequences Increasing: LeetCode Link
15. Minimum Domino Rotations For Equal Row: LeetCode Link
16. Car Pooling: LeetCode Link
17. Minimum Deletions to Make Character Frequencies Unique: LeetCode Link
18. Maximum Units on a Truck: LeetCode Link
19. Smallest Subsequence of Distinct Characters: LeetCode Link
20. Last Stone Weight: LeetCode Link

Bit Manipulation

1. Single Number: LeetCode Link
2. Single Number II: LeetCode Link
3. Single Number III: LeetCode Link
4. Bitwise AND of Numbers Range: LeetCode Link
5. Number of 1 Bits: LeetCode Link
6. Reverse Bits: LeetCode Link
7. Counting Bits: LeetCode Link
8. Power of Two: LeetCode Link
9. Power of Four: LeetCode Link
10. Bitwise ORs of Subarrays: LeetCode Link
11. Bitwise AND of Numbers Range: LeetCode Link
12. Binary Watch: LeetCode Link
13. Convert a Number to Hexadecimal: LeetCode Link
14. Count Numbers with Unique Digits: LeetCode Link
15. Maximum XOR of Two Numbers in an Array: LeetCode Link

Miscellaneous

1. Valid Parentheses: LeetCode Link
2. Evaluate Reverse Polish Notation: LeetCode Link
3. Implement Trie (Prefix Tree): LeetCode Link
4. Longest Consecutive Sequence: LeetCode Link
5. LRU Cache: LeetCode Link
6. Minimum Window Substring: LeetCode Link
7. Serialize and Deserialize Binary Tree: LeetCode Link
8. Design TinyURL: LeetCode Link
9. First Missing Positive: LeetCode Link
10. Add and Search Word – Data structure design: LeetCode Link
11. Valid Number: LeetCode Link
12. Alien Dictionary: LeetCode Link
13. Encode and Decode Strings: LeetCode Link
14. Flatten Nested List Iterator: LeetCode Link
15. Implement Rand10() Using Rand7(): LeetCode Link
16. Insert Delete GetRandom O(1): LeetCode Link
17. Valid Tic-Tac-Toe State: LeetCode Link
18. Logger Rate Limiter: LeetCode Link
19. Kth Smallest Element in a Sorted Matrix: LeetCode Link
20. Design Hit Counter: LeetCode Link
21. Design TinyURL: LeetCode Link
22. Design Twitter: LeetCode Link
23. Design Snake Game: LeetCode Link
24. Implement Trie (Prefix Tree): LeetCode Link

Interview Preparation Tips

Facebook (now known as Meta Platforms, Inc.) is known for having a challenging interview process, especially for technical roles such as software engineers. If you’re preparing for an interview at Facebook, here are some tips to help you succeed:

1. Understand the Role: Study the job description to understand what skills and experience are required. Tailor your preparation according to the specific role.
2. Brush Up on Data Structures and Algorithms: If you’re applying for a technical position, expect to be asked about various data structures (e.g., trees, graphs) and algorithms (e.g., sorting, searching). Websites like LeetCode and HackerRank are great for practice.
3. System Design Questions: For more senior roles, you may face system design questions. Understand how to design scalable and efficient systems.
4. Behavioral Questions: Prepare for questions that assess your soft skills, teamwork, and cultural fit. Utilize the STAR (Situation, Task, Action, Result) method to structure your answers.
5. Review Past Work: Be ready to discuss your previous projects and the impact you had. Highlight technical challenges and how you overcame them.
6. Utilize Facebook Resources: Sometimes, Facebook provides interview preparation material. Be sure to review these if available.
7. Mock Interviews: Consider practicing with friends or using platforms like Pramp for mock interviews. It helps you get comfortable with the format and timing.
8. Understand Facebook’s Mission and Values: Research Facebook’s culture, mission, and values. Tailor some of your answers to show how you align with the company.
9. Prepare Questions for the Interviewer: Having thoughtful questions for the interviewer shows your genuine interest in the role and helps you assess if the company is the right fit for you.
10. Technical Preparation Tools: Consider investing in interview preparation platforms like Educative‘s “Grokking the Coding Interview” or “Grokking the System Design Interview” for structured learning paths.
11. Stay Calm and Be Yourself: Finally, remember to stay calm and authentic. Interviewers are not only assessing your technical skills but also your ability to communicate and collaborate.

Frequently Asked Questions (FAQs)

1. What is Facebook University (FBU)? Facebook University is a program designed to introduce students to the tech industry through workshops, coding challenges, and mentorship opportunities.
2. Are Facebook’s internships paid? Yes, Facebook’s internships are paid positions that offer students a chance to work on real projects and gain practical experience.
3. Can I participate in Facebook’s hackathons remotely? Yes, some of Facebook’s hackathons offer remote participation options, allowing students from different locations to join in.
4. What skills are required to participate in the Facebook Engineering Challenge? The Facebook Engineering Challenge requires coding skills and problem-solving abilities, typically in programming languages like Python, Java, or C++.
5. How can I prepare for the Facebook Design Challenge? To prepare for the Design Challenge, focus on enhancing your user-centered design skills and creating intuitive user interfaces.
6. Is the Product Management Academy suitable for beginners in product management? Yes, the Product Management Academy caters to beginners and provides training, mentorship, and hands-on experience in product management.
7. Can I contribute to Facebook’s open source projects as a student? Absolutely, Facebook welcomes contributions from students to their open source projects, offering a valuable learning experience.
8. What is the Facebook Groups Fellowship about? The Facebook Groups Fellowship supports students working on projects that promote online community building, offering financial support and mentorship.
9. Are there age restrictions for participating in Facebook’s programs? Generally, Facebook’s programs are designed for college and university students, but specific eligibility criteria can vary.
10. How do I apply for these opportunities? To apply, visit the provided links for each program or event and follow the application instructions outlined on the respective pages.