Coding fluency
Implement an LRU cache. Explain your data structures, test capacity one, and walk through an eviction.
What a strong answer demonstrates
Correctness, edge cases, and time / space complexity.
Prepare for Cohesity with a focused mix of coding, design, and communication. Start with your job description and confirm the interview loop with your recruiter.
6 Practice picks
3 Interview reports
5 Levels mapped
01 / MAKE YOUR NEXT SESSION COUNT
Your preparation, made concrete.
System design
Design a notification service. Clarify delivery guarantees, model the data, then handle retries and duplicate events.
What a strong answer demonstrates
Clear requirements, a working baseline, and explicit trade-offs.
Behavioral storytelling
Describe a technical decision you changed after receiving feedback. Explain your contribution and the outcome.
What a strong answer demonstrates
Specific actions, honest reflection, and measurable impact.
BEFORE YOU PRACTICE
Ask your recruiter.
Get the details that a generic company guide cannot know.
- Which team and level is this opening for, and what does success look like?
- What rounds, durations, and evaluation criteria should I prepare for?
- Which languages, tools, and AI assistance are permitted?
- Will design focus on frontend, backend, infrastructure, or another specialty?
- Are there accommodations or preparation materials I should request?
Cohesity practice problems
Company-linked challenges and related lessons from our library. Not a prediction of your interview.
Challenge
Difficulty 5/10
Decimal To Binary
Challenge
Difficulty 5/10
Split Set to Equal Subsets
Challenge
Difficulty 3/10
Majority Element
Challenge
Difficulty 7/10
Pick A Sign
Challenge
Difficulty 5/10
Merge Two Binary Trees
Challenge
Difficulty 5/10
K Largest Elements From List
Real interview experiences
3 reports from candidates who interviewed at Cohesity.
What people at Cohesity say
Reviews originally posted on Glassdoor.
Honestly, I’ve never met a better group of people anywhere. I love my coworkers where I’m at now, but the dynamic between everyone at Cohesity is unlike anything I’ve experienced before or since. Fantastic, team-oriented work environment!
I think everyone is viewing 2021 as a do-over of 2020, but especially here at Cohesity we’re all on the exact same wavelength that 2021 is a chance for a fresh start. There were some issues in the past with the culture here and expectations, but management has already done a lot to address all of those. Anyone who stuck around is dedicated to the company’s mission and values and I know I speak for everyone on my team when I say that we’re nothing if not excited to change things around.
The training is excellent and the marketing department runs like a well-oiled machine. I really learned what it meant to be part of a team during my time working in marketing at Cohesity.
The company has an amazing vision with a very strong engineering team. Over the last year have added a strong Sales, product, and biz/development team to complement the engineering team.
I learned so much more than I ever could have expected while working here. It’s a one-of-a-kind work environment that will put you leaps and bounds ahead of the competition in your field after only a few years.