The Software Engineer L3 interview at Zoox is designed to assess a candidate's foundational knowledge in computer science, problem-solving abilities, and coding proficiency. The process typically involves multiple rounds, including technical interviews focusing on data structures and algorithms, a system design interview, and a behavioral interview to evaluate cultural fit and collaboration skills. The goal is to identify engineers who can contribute effectively to Zoox's innovative projects.
Rounds·3
Timeline·~7d
Experience·1 - 3 yrs
Comp band·US$100000 - US$130000
Interview time·135 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 03 phases
01 / 03Phase 01 of 03
Weeks 1-2: Data Structures & Algorithms. Practice 2-3 problems daily.
Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, stacks, queues, trees (binary trees, BSTs, heaps), hash tables, and graphs. Practice algorithms like sorting (quicksort, mergesort), searching (binary search), graph traversals (BFS, DFS), and basic dynamic programming. Aim to solve 2-3 problems per day.
Phase 02 of 03
Week 3: System Design Fundamentals. Study scalability and common design patterns.
Week 3: System Design Fundamentals. Study concepts like scalability, availability, reliability, load balancing, caching, databases (SQL vs. NoSQL), and API design. Review common system design interview questions and practice designing simple systems like a URL shortener or a Twitter feed.
Phase 03 of 03
Week 4: Behavioral Prep & Mock Interviews. Practice STAR method and get feedback.
Week 4: Behavioral Preparation and Mock Interviews. Prepare STAR method answers for common behavioral questions related to teamwork, problem-solving, failures, and successes. Conduct mock interviews with peers or mentors to simulate the interview environment and get feedback.
Questions
Locations
Fig · Regions — 01 locations
01 / 01Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
Data Structures And Algorithms Interview · 45 min · Software Engineer
This round focuses on your ability to solve coding problems using data structures and algorithms. You will be asked to write code to solve specific problems, often involving arrays, strings, linked lists, trees, or graphs. The interviewer will assess your problem-solving approach, the efficiency of your solution, and the quality of your code.
What they look for
Evaluation
Sample questions
Given a binary tree, find its maximum depth.
Implement a function to check if a string is a palindrome.
Prep for this round
Common rejection reasons
System Design Interview · 60 min · Senior Software Engineer / Architect
This round assesses your ability to design scalable and robust software systems. You'll be given an open-ended problem, such as designing a social media feed, a URL shortener, or a ride-sharing service. The interviewer will evaluate your approach to breaking down the problem, identifying key components, and considering aspects like scalability, performance, and reliability.
What they look for
Evaluation
Sample questions
Design a system like Twitter's news feed.
How would you design a rate limiter?
Prep for this round
Common rejection reasons
Behavioral Interview · 30 min · Hiring Manager / Team Lead
This round focuses on your behavioral aspects and cultural fit. You'll be asked questions about your past experiences, how you handle challenges, work in a team, and your motivations. The goal is to understand how you operate in a professional environment and if you align with Zoox's values.
What they look for
Evaluation
Sample questions
Tell me about a challenging project you worked on and how you overcame the obstacles.
How do you handle constructive criticism?
Prep for this round
Common rejection reasons
DSA
Frequently reported on Zoox loops
Other guides
