The Principal Software Engineer (G12) interview at Airbnb is a rigorous process designed to assess deep technical expertise, leadership capabilities, and strategic thinking. Candidates are expected to demonstrate a strong understanding of software architecture, system design, problem-solving, and the ability to mentor and influence engineering teams. The interview process typically involves multiple rounds, including technical deep dives, system design, behavioral assessments, and a final executive review.
Rounds·4
Timeline·~45d
Experience·10 - 15 yrs
Comp band·US$250000 - US$350000
Interview time·225 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 04 phases
01 / 04Phase 01 of 04
Weeks 1-2: DSA Fundamentals. Practice LeetCode Hard problems.
Weeks 1-2: Focus on Data Structures and Algorithms. Review fundamental data structures (arrays, linked lists, trees, graphs, hash tables) and algorithms (sorting, searching, graph traversal, dynamic programming). Practice solving complex algorithmic problems, paying attention to time and space complexity. Aim for at least 2-3 LeetCode Hard problems per day.
Phase 02 of 04
Weeks 3-5: System Design Principles. Study architectural patterns and trade-offs.
Weeks 3-5: Dive into System Design. Study architectural patterns (microservices, event-driven, monolithic), database design (SQL vs. NoSQL, sharding, replication), caching strategies, load balancing, message queues, and API design. Work through case studies of designing large-scale systems like Twitter feed, URL shorteners, or ride-sharing platforms. Focus on trade-offs and justifications.
Phase 03 of 04
Week 6: Behavioral & Leadership. Prepare STAR stories and leadership philosophy.
Week 6: Behavioral and Leadership Preparation. Reflect on your career experiences and prepare detailed examples using the STAR method for common behavioral questions related to leadership, teamwork, conflict resolution, and handling failure. Also, prepare to discuss your leadership philosophy and mentoring approach.
Phase 04 of 04
Week 7: Airbnb Research & Mock Interviews. Practice with feedback.
Week 7: Company-Specific and Mock Interviews. Research Airbnb's recent news, technical blog posts, and challenges. Conduct mock interviews with peers or mentors, simulating the actual interview environment. Focus on receiving and incorporating feedback.
Questions
Locations
Fig · Regions — 02 locations
01 / 02Location
Interview focus
Common questions
Tips
Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
Technical (Coding) · 60 min · Software Engineer (G10/G11)
This round typically focuses on assessing your core technical skills, including data structures, algorithms, and problem-solving abilities. You will be asked to solve coding problems, often on a whiteboard or shared editor, and discuss your approach and complexity analysis. The interviewer will evaluate your ability to write clean, efficient, and correct code.
What they look for
Evaluation
Sample questions
Given a list of user activities, find the most frequent sequence of actions.
Implement a function to find the k-th largest element in an unsorted array.
Prep for this round
Common rejection reasons
System Design · 60 min · Senior/Principal Software Engineer (G11/G12)
This round evaluates your ability to design complex, scalable, and reliable software systems. You'll be presented with a broad problem statement (e.g., design a service like Twitter, a ride-sharing app, or a notification system) and expected to break it down, identify key components, discuss data models, APIs, scaling strategies, and potential bottlenecks. Emphasis is placed on understanding trade-offs and justifying your design decisions.
What they look for
Evaluation
Sample questions
Design a URL shortening service like bit.ly.
Design a distributed rate limiter.
Prep for this round
Common rejection reasons
Behavioral And Leadership · 45 min · Engineering Manager / Director
This round focuses on your behavioral and leadership competencies. You'll be asked questions about your past experiences, focusing on how you've handled challenges, led teams, collaborated with others, and demonstrated leadership. The interviewer aims to understand your working style, your ability to influence, mentor, and contribute to the team and company culture.
What they look for
Evaluation
Sample questions
Tell me about a time you had to influence a team or stakeholder to adopt your technical vision.
Describe a situation where you disagreed with your manager or a peer. How did you handle it?
How have you mentored junior engineers in the past?
Prep for this round
Common rejection reasons
Executive/Leadership Review · 60 min · Director/VP of Engineering
This is often the final round, conducted by senior leadership. It focuses on your strategic thinking, your ability to influence at a high level, and your understanding of how technology aligns with business goals. You'll discuss your vision for technology, your approach to leading large initiatives, and your impact on the broader organization. This round assesses your potential to operate as a Principal Engineer, driving technical strategy and innovation.
What they look for
Evaluation
Sample questions
What do you see as the biggest technical challenges facing Airbnb in the next 3-5 years, and how would you address them?
How would you foster a culture of innovation and continuous learning within a large engineering organization?
Describe a time you made a significant technical decision that had a major business impact.
Prep for this round
Common rejection reasons
DSA
Frequently reported on Airbnb loops
Other guides
