Machine Learning Engineer + Data Scientist + Software Engineer Interview Questions
Practice the exact questions companies are asking right now.
"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"
"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"
"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."
"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."
"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."
"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."
"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Describe a project and ask questions
Describe a project and ask questions Behavioral: Walk Through a Recent Project End-to-End (Software Engineer — Technical Screen) Provide a concise, st...
Walk through your resume and impacts
Walk through your resume and impacts Behavioral Prompt: Walk Through Your Resume (Technical Screen) You are interviewing for a Software Engineer role ...
Fix and harden an object pool
Fix and harden an object pool Refactor a Buggy C++ Object Pool Into a Correct, Thread-Safe Template Context You are given a buggy C++ object pool that...
Design a CreditTracker with expirations
Design a CreditTracker class with three methods: ( 1) add_credit(start_time, end_time, credit), ( 2) subtract_credit(time, credit), and ( 3) check_cre...
Compute delivery order via BFS
Compute delivery order via BFS A city road network is an unweighted, undirected graph G(V, E) with a depot node s and D delivery requests located at n...
Array vs. Linked List: Differences and When to Use Each
In a technical screening round, the interviewer asks: What are the differences between an array and a linked list? When would you choose one over the ...
Design an IR for test workflows
Design an IR for test workflows Design an intermediate representation (IR) for a graphics testing workflow as a DAG. Define node/edge types, metadata,...
Explain a shader compiler pipeline
Explain a shader compiler pipeline Describe the architecture of a shader compiler that ingests GLSL/HLSL and outputs SPIR-V or ISA. Cover lexical anal...
Implement a Python test harness
Implement a Python test harness Implement a Python-based test harness for graphics validation. Discuss design of fixtures, parametrization, dependency...
Build a Jenkins CI for graphics tests
Build a Jenkins CI for graphics tests Take‑Home: Design a Jenkins Pipeline for GPU Graphics Test Matrix Context You need to design a Jenkins-based CI/...
Explain a graphics testing project in depth
Explain a graphics testing project in depth Behavioral: End-to-End Walkthrough of a Graphics Testing Project Context: You are interviewing for a softw...
Discuss goals, experience, conflicts, and logistics
Discuss goals, experience, conflicts, and logistics Behavioral & Leadership Screen — Software Engineer Internship Context You are interviewing for a s...
Discuss resume and behavioral scenarios
Discuss resume and behavioral scenarios Behavioral & Leadership: Resume Walkthrough and Situational Prompts (Machine Learning Engineer — Onsite) Conte...
Design a natural-language AEP Q&A assistant
Design a natural-language AEP Q&A assistant System Design: Natural-Language Assistant for Adobe Experience Platform (AEP) Goal Design a natural-langua...
Differentiate sample vs population standard deviation
Differentiate sample vs population standard deviation Population vs. Sample Standard Deviation in a Finite Rolling Window Context You are implementing...
Design core bank operations
Design core bank operations Design a BankSystem Class (Take‑home Project) Goal Design and document a BankSystem class that supports three operations: ...
Design a Recommendation Ranking System
This question evaluates expertise in designing scalable, low-latency machine learning recommendation and ranking systems, covering multi-stage ranking...
Discuss your proudest project
Discuss your proudest project Behavioral prompt — Your most impactful project Context You are in a behavioral/leadership interview for a Software Engi...
Design feedback and feature rollout platform
Design feedback and feature rollout platform System Design: Feedback + Feature Rollout Platform Context Build a multi-tenant platform that lets produc...
Design LLM-enhanced recommendation solutions
Design LLM-enhanced recommendation solutions System Design: Incorporating Large Language Models (LLMs) into a Large-Scale Recommendation System Contex...