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Datatron Software Engineer Interview Questions
& Process

Real candidates share what happened, how many rounds they had,
and how the experience turned out.

Based on 9 interview experiences · FREE TO READ

3.1 Rounds average
Difficult Typical difficulty
55.6% Positive experience

Candidate interview experiences

First-hand accounts from people who interviewed at Datatron.

Showing 3 of 9
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Datatron

Software Engineer

Engineering · more than a year ago

Mid Average Negative experience No offer 3 rounds
Interview process
Recruiter call Technical screen Onsite
Interview formats
Technical Coding Behavioral

The interview experience was not great. It started okay, but then during the interview with a senior engineer, it became clear it wasn't a good fit because the interviewer seemed uninterested and like I was wasting their time. When they decided not to hire me, they swapped out the final interview, which was supposed to be with the CEO according to the schedule, with someone very new to the company. This person wasn't prepared and didn't have any questions. It was a terrible experience. Don't be fooled by the seemingly positive company reviews, they all appear to have been posted on the same day, possibly under duress.

Confirmed questions3 questions
  • Questions about linked lists were asked.
  • Questions about stacks were asked.
  • Questions about hashmaps were asked.
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Datatron

Software Engineer

Engineering · more than a year ago

Entry Average Negative experience No offer 3 rounds
Interview process
Recruiter call Technical screen Onsite Offer
Interview formats
Technical Coding

This was the least professional company experience I've had. It started with a technical phone screen, then an on-site interview. When I arrived, they didn't seem to expect me. A new hire, who had only been there for 3 days, conducted the first round. They then struggled to find someone for a second round for about 15 minutes. The office was messy, like a dorm, with cheap furniture. Both interviewers were on their phones during the interview. The questions weren't too difficult, and the interviewer mentioned I made it look 'easy.' The interview ended over 2 hours early, skipping the other two rounds mentioned on Glassdoor, without meeting anyone else, without asking me about myself, and without telling me much about the company. They said I'd hear back 'very soon' but never contacted me or responded. This was especially frustrating as I drove 3 hours for it. I'd avoid this place unless you want your time disrespected.

Confirmed questions4 questions
  • Convert a binary tree to a linked list using constant extra space
  • How to multiply very large numbers
  • Find the number of connected islands
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Datatron

Software Engineer

Engineering · more than a year ago

Senior Difficult Positive experience Accept offer 5 rounds
Interview process
Phone screen Technical screen Onsite
Interview formats
Coding Technical Case

It's a typical startup interview process. You'll start with 2 coding phone screens, and then move on to 3-4 onsite interviews. Make sure you're well-prepared for coding challenges. There's also a data science round where they'll present a real-world problem with an open-ended solution, focusing on your thought process and problem-solving speed.

Confirmed questions3 questions
  • For a given array of size N, how would you find a pair of integers that sums up to a specific given sum?
  • Considering a stadium scenario, what approach would you take to optimize seat pricing?
  • What's the most effective method for transferring a very large data file, approximately a terabyte in size, between two data centers?

Datatron Software Engineer Interview Questions

Quoted word for word from Datatron interview reports.

What is the smallest possible number after deleting K digits

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For a given array of size N, how would you find a pair of integers that sums up to a specific given sum?

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What's the most effective method for transferring a very large data file, approximately a terabyte in size, between two data centers?

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For transferring terabytes of data between two S3 buckets in different accounts, how would you construct the script?

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Formats, difficulty and experience

Across all 9 Datatron interview reports.

Interview formats

Coding 37.5%
Technical 29.2%
Behavioral 25%
Case 4.2%
System Design 4.2%

Interview difficulty

Easy 0%
Average 44.4%
Difficult 55.6%

Candidate experience

Neutral 22.2%
Positive 55.6%
Negative 22.2%