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Stem Interview Questions
& Process

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

Based on 24 interview experiences · FREE TO READ

3 Rounds average
Average Typical difficulty
62.5% Positive experience

Which role are you interviewing for?

14 roles · 24 reports

Candidate interview experiences

First-hand accounts from people who interviewed at Stem.

Showing 4 of 24
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DevOps Architect

Engineering · nearly a year ago

Staff Difficult Positive experience Accept offer 2 rounds
Interview process
Take home Technical screen
Interview formats
Technical Coding System Design

I did a take-home assessment where I had to work with EKS, GitOps, Terraform, and ArgoCD. Basically, I created a GitHub project and then deployed an application using Helm charts to an EKS cluster. I also set up everything using Terraform and GitHub Actions.

Confirmed questions1 question
  • How do you handle EKS cluster upgrades?
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All-round Employee

Other · nearly a year ago

Entry Easy Positive experience Decline offer 4 rounds
Interview process
Recruiter call Phone screen Technical screen Onsite
Interview formats
Behavioral Technical Presentation

The interview, an adventure that starts even before the meeting. The interview and its fundamental rules. The interview from the candidate's and recruiter's perspective. 3 tips to de-stress before the interview. Manage your body language. Salary negotiation. Closing the interview. Types of interviews and how to conduct them. How to prepare for the second interview? Different tests during the job interview. The essential things to remember.

Confirmed questions0 questions

No confirmed questions were included in this interview report.

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Software Engineer

Engineering · a year ago

Mid Average Positive experience Accept offer 3 rounds
Interview process
Recruiter call Take home Technical screen
Interview formats
Technical Coding

The interview process was pretty straightforward. I was actually approached by a recruiting agency, not through a direct application. It started with an initial call to introduce me to what Stem does. Then, I submitted my CV and was given a coding exercise. The exercise was quite fun, and it seems they weren't too strict on it, as I later reviewed it for other candidates. Following that, I had an interview panel with some engineers, the chief architect, and directors from related dev teams (like QA and DevOps). The questions they asked were realistic and not overly complicated.

Confirmed questions2 questions
  • Can you explain how you'd optimize the response time of an API?
  • What caching strategies and implementation methods would you use for an endpoint?
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UX Designer

Design · more than a year ago

Mid Average Neutral experience No offer 4 rounds
Interview process
Recruiter call Phone screen Onsite Presentation
Interview formats
Behavioral Technical Presentation

The interview process was pretty standard. It started with HR, then the Hiring Manager, and finally the Team Members. The whole thing spanned about 2-3 weeks and involved 4 interviews with 5 people. They were all really nice and we had some great discussions, but ultimately I didn't get an offer, which is fine. What was frustrating, though, was the lack of consistency. I was repeatedly told how much they liked me and my background, but then in the final interview, they suddenly said my design skills weren't up to par. It was strange because we didn't even review my portfolio or my design decision process during that last interview, which you'd expect when meeting potential co-workers. Even the HR person seemed confused when she delivered the news that they chose another candidate. Usually, I'm okay with that, but the role was posted again the same day, which makes me feel misled and lied to, especially since I thought everyone was so friendly.

Confirmed questions1 question
  • What are your career aspirations for your next position?

Stem Interview Questions

Quoted word for word from Stem interview reports.

Can you explain the distinction between tuples and lists in Python?

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Regarding ERCOT's recent regulatory changes for battery operators, how do you anticipate these will impact the revenue stack for asset owners?

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Could you write a Java class that handles reading from and writing to a file at a specified path?

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Can you explain the value streams that behind the meter battery storage offers?

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What do I know about the solar developer and EPC base in the northeast?

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What caching strategies and implementation methods would you use for an endpoint?

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Can you explain how you'd optimize the response time of an API?

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Formats, difficulty and experience

Across all 24 Stem interview reports.

Interview formats

Behavioral 41.7%
Technical 39.6%
Coding 8.3%
Presentation 8.3%
System Design 2.1%

Interview difficulty

Easy 25%
Average 70.8%
Difficult 4.2%

Candidate experience

Positive 62.5%
Neutral 20.8%
Negative 16.7%

Reports by job function

Engineering 8
Sales 6
Analytics 3
Other 2
Operations 2
Finance 1