Yelp Interview Questions (4+ Questions)
Last Updated: June 23, 2026 • 4 Questions • Real Company Interviews
Prepare for your Yelp interview with our comprehensive collection of 4+ real interview questions and detailed answers. These questions have been curated from actual Yelp technical interviews across various roles including DevOps Engineer, Data Engineer, QA Engineer, and more.
Table of Contents
- Slow Docker Rebuilds (medium) 🔒
- ConfigMap Reload with Sidecar (medium)
- Fix Mutual TLS Configuration for Envoy Service Mesh (hard) 🔒
- CRM API Integration Testing (medium) 🔒
Our Yelp interview questions cover a wide range of technical topics and difficulty levels, from entry-level positions to senior roles. Each question includes detailed explanations and answers to help you understand the concepts and prepare effectively for your interview.
💡 Pro Tips for Yelp Interviews
- Practice each question and understand the underlying concepts
- Review Yelp's specific technologies and methodologies
- Prepare follow-up questions and edge cases
- Practice explaining your solutions clearly and concisely
Interview Questions & Answers
1. Slow Docker Rebuilds
We have a Python Dockerfile where modifying app main.py invalidates the cache for pip install. This causes every rebuild to install all the dependencies from scratch. The dependencies haven't changed, only the code. We need to reorder the instructions so dependency installation stays cached when onl...
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2. ConfigMap Reload with Sidecar
We have a config map app config that we would like to mount to this pod, but we would like to mount it as a sidecar both to the main pod and the sidecar. The reason we would like to run a script in our sidecar that will run every five seconds to detect changes in the config map. And once it's detected, it'll update the settings file. First we will analyze our watcher yaml. This is a partial configuration of the sidecar config watcher. Here's the sidecar container. It already contains command, which will run the script every five seconds. We need to add configuration of the pod itself. We add volume mounts both to config watcher and to the main pod. The volume is config volume. This will locate the config map, which will be mounted. One thing that we also need to do is we need to create a config map itself. Here's the name of the config map and the key settings dot conf. The value of the settings conf will be debug false.
3. Fix Mutual TLS Configuration for Envoy Service Mesh
Troubleshoot and fix a broken mutual TLS setup between two microservices communicating through Envoy proxies. Diagnose certificate, secret, and configuration issues causing pod crashes.
4. CRM API Integration Testing
Salesforce processes over 3 trillion API requests annually powering CRM operations for millions of businesses. QA testing of CRM APIs requires comprehensive validation of account management, data queries, record updates, and analytics reporting to ensure reliable customer relationship management exp...
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