
Uber
Senior Frontend/Backend Developer

Practice for Senior Frontend/Backend Developer
Uber
Initial Screening & Uber Values Alignment
This round serves as an initial filter to assess the candidate's basic qualifications, communication skills, and understanding of Uber's mission and values. It also explores their career goals and interest in the specific role.
Tell me about your experience with backend/frontend development, and what excites you most about this role at Uber?
Uber emphasizes 'Trip Obsession' and 'Building with Heart'. Can you share an example of a time you went above and beyond to ensure a positive user experience or demonstrated empathy in a project?
Describe a situation where you had to adapt quickly to a change in project requirements or technology. How did you handle it?
All interviews are private and won't be shared with the recruiters.
Technical Deep Dive: Coding & Problem Solving
This round assesses the candidate's core coding skills, data structures and algorithms knowledge, and ability to solve practical problems. Focus is on code quality, efficiency, and problem-solving approach.
Given an array of integers, write a function to find the length of the longest consecutive sequence. For example, given, the longest consecutive sequence is. Return its length: 4.
Implement a rate limiter that allows a maximum of N requests per minute per user. Explain your data structures and algorithms.
How would you design an in-memory cache with a fixed size? Implement the `get` and `put` methods, ensuring efficient retrieval and eviction of elements.
All interviews are private and won't be shared with the recruiters.
System Design & Architecture
This round evaluates the candidate's ability to design scalable, reliable, and maintainable systems. It assesses their understanding of system architecture principles, trade-offs, and best practices. Focus is on high-level design, component interaction, and scalability considerations.
Design a URL shortening service like TinyURL. Consider scalability, data storage, and potential bottlenecks.
How would you design a real-time location tracking system for Uber drivers? Consider data ingestion, storage, and querying for nearby drivers.
Design a scalable notification system for Uber, capable of sending push notifications to millions of users based on various events (e.g., ride updates, promotions).
All interviews are private and won't be shared with the recruiters.
Uber Culture & Leadership Principles
This round assesses the candidate's alignment with Uber's culture, leadership potential, and ability to collaborate effectively. It explores their past experiences, problem-solving approach, and ability to learn and grow.
Uber values 'Great Minds Don't Think Alike'. Tell me about a time you worked with someone who had a very different perspective than yours. How did you navigate the situation and what was the outcome?
Describe a time you had to make a difficult decision with limited information. What was your thought process and how did you mitigate the risks?
Uber emphasizes 'Bias for Action'. Share an example of a time you took initiative and went above and beyond to solve a problem or improve a process.
All interviews are private and won't be shared with the recruiters.