League Backend Engineer – Co-op
Toronto, ON, Canada·177 interview reviews·Medium difficulty
Backend Engineer – Co-op Interview Reviews
177The process was pretty straightforward. It started with an online assessment, followed by a phone screen, and concluded with a final interview round that had two LeetCode medium difficulty problems.
“LRU Cache - Design a data structure for Least Recently Used cache”
The process was pretty straightforward. It started with an online assessment, followed by a phone screen, and concluded with a final interview round that had two LeetCode medium difficulty problems.
“Best Time to Buy and Sell Stock - Find the maximum profit from buying and selling one share of stock”
Just one round with 2 LC hards in 45 min. It wasn't too bad at all — if you've done a lot of LC you're gonna be fine. Make sure to check off your approach with the interviewer before you begin implementing.
“Give an example of when you had to make a difficult trade-off decision”
Straightforward — just 2 medium leetcode-tagged problems in 45 minutes. Very fast paced though so be aware of time. A few follow-up questions for the interviewer at the end. No behavioral questions.
“Design TinyURL - Design a URL shortening service like bit.ly”
Applied online and heard back in about a week. The technical interview was 45 minutes with two coding problems. Focus on time complexity and edge cases. The behavioral portion was brief but important.
“Two Sum variant and string manipulation”
About This Role
Frequently Asked Questions
How hard is it to get hired as a Backend Engineer – Co-op at League?
The interview difficulty is rated 3.2/5 by candidates. 77% report a positive experience. Focus on System Design, Algorithms, Distributed Systems to improve your chances.
How long does the League Backend Engineer – Co-op hiring process take?
The process typically takes 2–6 weeks from application to final decision, depending on the hiring cycle and team availability.
What is the interview process like?
Most candidates go through a recruiter screen, followed by technical coding rounds, and a final interview loop. 49% of candidates applied online.
What questions are asked in a League Backend Engineer – Co-op interview?
Common topics include data structures & algorithms (arrays, trees, graphs), system design, and behavioral questions using the STAR method. Practice with our AI mock interviewer to prepare.
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