Uber Software Engineer Interview Questions

Uber SDE 2 Fullstack Interview: Course Schedule II and Connect Four LLD

**How did I apply** : I had applied multiple times via referrals but never got shortlisted. Then, one fine day, the role showed up on LinkedIn. I applied directly and received an email from the recrui

Uber SDE 2 Phone Interview: Union Find Graph Optimization Challenge

I shared the brute-force approach in the first 5 minutes, then spent the next 40 minutes grinding for the optimal solution he kept hinting it can be better. When I couldn't quite nail the optimization

Uber Senior Software Engineer Interview: Local Minima and Binary Search

1. Final all the local minima in an array, and return indices Local Minia: Left and right elements are equal or less than it is considered as local minima ``` Example: Input Values: [3,5,1,4,7] Result

Uber L5 System Design Interview Experience: Designing Kafka Message Broker

Recently went through a system design round at Uber where the prompt was: "Design a distributed message broker similar to Apache Kafka." The requirements focused on topic-based pub/sub, partitioned or

Uber L4 Interview Experience: DSA, LLD, and Driver HeatMap HLD

Round 1 (DSA): Disjoint Set Union based question Round 2 (DSA): Number/string manipulation — focused on palindrome logic and edge cases. Round 3 (System Design, LLD): Classic design question around tr

Uber SDE-2 Online Assessment Interview Questions

Problem Statement You are given a permutation `p` of size `n`. For each prefix `p[1..k]` (where `1 ≤ k ≤ n`), determine whether it forms a valid permutation of integers from `1` to `k`. A prefix is

Uber SDE1 Online Assessment OA February 2026

Simplified question descriptions: **Q1** Given array nums and int k, find the k-th largest subarray bitwise OR. ***Key Idea***: If we start at any index i and look at OR values of subarrays, the resul

Uber SDE2 Technical Screening Seat Allocation Problem

Question There is an Uber Shuttle with n seats arranged in a single row, labeled from 0 to n - 1. When a rider hops onto the shuttle, they instinctively look for the comfiest spot—the seat that puts t

Uber SDE2 Interview Experience Square Sorted Array Coding

Uber Interview Experience (Feb 2026) Applied via LinkedIn referral. Recruiter reached out on **16th Feb** and scheduled first round on **27th Feb**. --- ## Round 1 – Coding The interviewer was Senio

Uber SSE Technical Interview: Find Next Smallest Palindrome

Helping the Leetcode Community! Below question was asked : ``` Write a function that takes an integer as input and returns the smallest palindrome greater than the given number. Example Input: 1000 Ex

Uber Goldman Sachs Rubrik LLD Interview Design Scheduled Executor Service

**Question**: Design a custom **ScheduledThreadPoolExecutor** or **ScheduledExecutorService** from scratch – a classic concurrency problem asked by Uber, GS, and Rubrik to test senior engineering skil

Uber SDE I Interview Experience Technical Assessment and LLD

Uber Interview Experience The interview process consisted of **three rounds**: 1. Elimination Round – Technical Assessment 2. Coding Round – Data Structures & Algorithms 3. Low-Level Design Round --

Uber SDE2 Interview Experience Nov 2025: DSA, LLD, HLD and Offer

Round 1: Screening (DSA + System Design) DSA Topic: Dynamic Programming on Trees. Problem: A variation of the Optimal Binary Search Tree problem. Experience: This was my toughest round. Time managemen

Uber SDE2 SDE3 Online Assessment Experience and Problems

Today, I completed the Uber Online Assessment for an SDE-2/SDE-3 role. The assessment was conducted on HackerRank under strict proctoring (camera monitored) and consisted of 2 problems to be solved in

Uber L4 SDE-2 Interview Experience and Offer Breakdown

Hey, hope everyone is doing good. Recently finished my loop with Uber L4 and got an offer. Here are the rounds and what I got asked. 1. **Coding test** - Hackerrank. 2 Medium-Hard questions. Was able