Tendril Interview Questions

Updated Aug 6, 2015
3 Interview Reviews

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  1.  

    Platform Engineer Interview

    Anonymous Interview Candidate in Denver, CO
    No Offer
    Neutral Experience
    Easy Interview

    Application

    I applied online. The process took 5 days. I interviewed at Tendril (Denver, CO) in March 2015.

    Interview

    Submitted a resume through their website and got a reply within a couple days. Phone interview was set up quickly but there was a little miscommunication on their side of who was doing the interview and what time it would start. I applied to this before recruiters talked to me about it. There were at least 5 different recruiters trying to push this job. It seems they are casting an extremely wide net.

    Interview Questions

  2.  

    UI Engineer Interview

    Anonymous Employee in Boulder, CO
    Accepted Offer
    Positive Experience
    Difficult Interview

    Application

    I applied through a recruiter. The process took 2 weeks. I interviewed at Tendril (Boulder, CO) in March 2015.

    Interview

    1st Contact: Thirty minute call with Recruiter / HR - non-technical, went over my background to see if my skill set fit the position, overview of the history, current state and culture of Tendril. Very straight-forward. 2nd Contact: One hour call with a lead developer and quickly went over my background and technologies I work with, then jumped into fairly in-depth javascript topics and 'gotchas', my thoughts on best methods for continuous integration / automating testing and deployments. Then we spoke of my goals and favorite technologies and why... Topic: vanilla javascript vs. coffeescript vs. ES6, javascript frameworks - react vs. backbone vs. angular, ruby, BDD, node.js, etc... Overall, not highly technical. Mainly a high level discussion to see if I knew what I was talking about and if my knowledge / skills would match with their technology stack. 3rd Contact: Three hour in person interview. Met with an HR type person for a quick tour of the office, an overview of benefits, etc... Two and a half hour technical interview with a lead developer and a mid-level developer. Started with some very straight-forward HTML5 / CSS3 - for them to see if they should "wrap up early" then dove into some highly technical javascript problems. Followed by a general discussion of my favorite UI framework, which happens to be React. 4th Contact: One hour lunch with VP of Engineering and the Principal Engineer. General discussion on various topics. This was a "will he fit in here" / "would we want to work with him" lunch.

    Interview Questions

  3.  

    Platform Engineer Interview

    Anonymous Employee in Boulder, CO
    Accepted Offer
    Positive Experience
    Difficult Interview

    Application

    I applied online. The process took 6+ months. I interviewed at Tendril (Boulder, CO) in March 2015.

    Interview

    I submitted my resume and cover letter through Jobvite. About 2 days later I had an initial phone interview that was very conversational and focused on my knowledge of general programming concepts. After passing the first phone interview, I was brought on site for a interview with the developers. The onsite interview consisted of coding exercises, whiteboard design talks, and general conversation. They also took me out to lunch and then I followed up with the HR people and was on my way after about 4 hours. I had 2 more phone interviews after my onsite, they were higher level vision conversation, and then one more onsite at the very end to answer some more questions that I had. Overall, everyone I met was very friendly and knew their stuff, it was a very positive experience and only made me want the job more.

    Interview Questions

    • How does the GIL affect parallelism in Ruby and Python (specifically the C interpreter versions.   Answer Question
    • Lots of conversation around testing, BDD particularly.   Answer Question
    • Explain/Whiteboard how you would design a back-pressure sensitive system for a set of devices all talking to a single endpoint.   Answer Question
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