Shopify Interview Questions
Practice the exact questions companies are asking right now.
Design a robot movement command system
Robot Movement (Pair Programming) You are given an empty starter repository (only a README). Implement a small, testable robot movement module that ca...
Implement a multi-rover Mars controller
Problem Build a small command-line “Mars Rover Controller” program. Single rover (v1) A rover starts at coordinate (0, 0) on an infinite 2D grid and i...
Infer and justify non-trivial sequence patterns
Pattern Recognition: Next Terms and Missing Value Identify the rule governing each sequence or row and compute the missing value(s). Justify each answ...
Design a baseline loan recommendation system
System Design: Baseline Loan Recommendation System Context Design a baseline system that recommends loan offers to users on a digital platform. The sy...
Calculate Jaccard Similarity Score for Two String Lists
Scenario During pair programming, the interviewer asks you to compare two lists of merchant tags and quantify their similarity. Question Implement a P...
Describe pair programming communication approach
Pair Programming in a Timed Interview (ML Engineer) Context: You are in a timed, onsite pair-programming interview for a Machine Learning Engineer rol...
Implement an interactive CLI class with tests
Design and implement a command-line interactive application as a single class using OOP principles. The program should support commands: add <key> <va...
Optimize attempts in a timed logic test
Timed OA: Maximize Expected Score Under a Time Limit Context: You have 25 minutes (1,500 seconds) to attempt up to 30 multiple-choice items. You may c...
Measure App Store success and debug funnel anomaly
Part A — Product case: measuring success for a new App Store Shopify is launching a Shopify App Store where merchants can browse/install apps built by...
Discuss motivations, experience, and logistics
HR Screen: Behavioral Resume Walkthrough and Logistics for a Machine Learning Engineer You are in an HR screen for a machine learning engineer role. T...
Justify and harden your analytics and BI stack
List your current analytics tech suite end-to-end (ingestion, storage/warehouse, transformation, orchestration, catalog/lineage, experimentation platf...
Perform no-calculator math accurately and fast
Technical Screen: Mental Math and Estimation Solve quickly without a calculator. For each, show the brief mental shortcut you use. Problems - (a) 37 ×...
Assess and push back on ideology-heavy interviews
Scenario You are interviewing for a Data Scientist role. Twenty‑four hours before your HR call, the recruiter emails five links (CEO philosophy + inte...
Analyze Causes of November and June Shopify Traffic Spikes
Analyzing Recurring and One-off Spikes in Weekly Shopify Sessions Scenario You have a three-year weekly time-series of Shopify shopping sessions. The ...
Implement Cosine Similarity Function for String Vectors
Scenario Technical phone screen in Python; assess ability to implement similarity metric. Question Implement a Python function that computes the cosin...
Implement cache and gift assignment system
You are given two independent programming problems. --- Problem 1: Implement a bounded key–value cache Design a data structure that stores key–value p...
Collect labels without existing data
Modeling Without Labels: End-to-End Plan You are tasked with shipping an ML model but have no labeled data. Outline a rigorous approach to: 1) Define ...
Design a hierarchical multi-label classifier
System Design: Hierarchical Multi-Label Classifier for Noisy Taxonomy Context You have a catalog of items with hierarchical tags (e.g., Category → Sub...
Describe ML projects and tech choices
ML Project Overview and Deep Dive (HR Screen) Context You are interviewing for a Machine Learning Engineer role. Provide a concise, structured overvie...
Discuss motivations, experience, and logistics
Behavioral HR Screen: Resume Walkthrough and Logistics (Machine Learning Engineer) Prompt Provide a concise, structured response covering the followin...