Blizzard Interview Questions
We track 3 interview questions reported from Blizzard: 2 in Coding & Leetcode-style Questions, 1 in ML Fundamentals & Algorithms. They average 2.7/5 difficulty — medium for a working engineer — and every one was reported by someone who sat the loop, not written by us. The topics that come up most: sql, group-by, left-join, aggregation.
Practice these on the problems board →Question mix
- Coding & Leetcode-style Questions2
- ML Fundamentals & Algorithms1
Difficulty
- 2/5 — easy1
- 3/5 — medium2
Asked for SWE (3), DS (1), DataEng (1), Infra (1)
Topics Blizzard asks about
Reported Blizzard questions
Auction Web Service – Lot Winners
3/5Test your relational database querying capabilities with an e-commerce bidding scenario often seen in data-centric roles at Blizzard. This problem evaluates your mastery of SQL aggregation and table joining techniques, requiring you to extract peak financial offers for individual marketplace lots using conditional grouping clauses. Writing optimized queries for relational data manipulation is the core focus here. The full problem and model solution require a subscription.
ML Fundamentals & Algorithmssqlgroup-byleft-joinDocker Environment Cleanup Task
2/5This interview task, commonly reported at Blizzard, tests your familiarity with containerization management utilities. You will need to write a series of command-line instructions to completely purge a development workspace by eliminating active and inactive instances, stored images, and persistent storage volumes. The goal is to leave the host environment entirely pristine and devoid of any lingering artifacts. Access to the comprehensive problem description and the verified solution requires a subscription.
Coding & Leetcode-style QuestionsdockerdevopscliE-Commerce Category Analytics
3/5In this technical challenge reported during a Blizzard interview, candidates must design a robust object-oriented analytics program in Java. The exercise centers on structuring clean class hierarchies and designing effective methods to process and analyze retail product data. It examines your grasp of software design principles, encapsulation, and maintainable architecture within a commercial domain context. To unlock the full problem statement and expert reference solution, a subscription is required.
Coding & Leetcode-style Questionsoopjavadesign
Companies that ask similar questions
Blizzard interview FAQ
- How many Blizzard interview questions are available?
- 3 reported Blizzard questions, the largest group being Coding & Leetcode-style Questions (2).
- How hard is the Blizzard interview?
- Across the questions we track, Blizzard averages 2.7 out of 5: 1 at 2/5, 2 at 3/5.
- What topics does Blizzard ask about?
- Most often sql, group-by, left-join, aggregation, docker.