How-tos

Code Ninjas interview questions: How to impress and get hired

Sean Griffith
Chief Truffler

October 28, 2024

You’ve got a Code Ninjas interview coming up, and you’re probably thinking, It’s teaching kids to code—how hard can it be? Spoiler: It’s not a walk in the park.

Code Ninjas wants more than just a coder—they want someone who can simplify complex tech into kid-friendly chunks. Here’s where things get real: Code Ninjas’ interview process is designed to test more than your coding chops. They’re after mentors, role models, and problem-solvers.

So, buckle up, take notes, and prepare to wow them with your brain and your heart.

Table of Contents

    Understanding Code Ninjas culture and expectations

    Code Ninjas is all about empowering kids with tech skills, and they need instructors who see teaching as a hands-on, engaging experience.

    According to reviews on Glassdoor and Reddit, successful candidates are those who genuinely enjoy working with children and aren’t easily rattled by the high-energy, sometimes chaotic environment of a dojo filled with budding coders.

    Here’s what’s critical: Code Ninjas seeks individuals with patience, adaptability, and a talent for making coding accessible for all learning levels.

    Some candidates mentioned that the interview also tests whether you’re comfortable guiding younger students who may struggle with even the basics of programming.

    The ideal instructor balances friendliness with a sense of authority—someone who can manage behavior, keep students on track, and handle unexpected classroom situations without losing their cool.

    Technical skills and proficiencies

    On the technical side, you’ll need a solid foundation in JavaScript, Python, or Scratch, as well as a working knowledge of algorithms and basic data structures.

    According to Indeed’s FAQ section on Code Ninjas, candidates don’t need to be experts in every language. What’s more important is that you’re adaptable and capable of simplifying concepts into digestible lessons.

    One candidate shared that during their assessment, they were asked to break down an algorithm as if explaining it to a curious ten-year-old.

    The key takeaway? Keep it simple and relatable, and remember that you’re teaching kids to love coding, not impressing fellow coders.

    The typical Code Ninjas interview structure

    Code Ninjas has a distinct interview process that combines assessing technical ability with soft skills. Here’s what you can expect:

    Phone screening: First impressions matter

    The phone screening typically opens the door. Interviewers want to know why you’re excited about teaching and working with young students. Expect personality and situational questions, such as:

    • “What interests you about teaching kids to code?”
    • “How would you handle a challenging student?”
    • “Describe a time you had to break down a complex concept for someone.”

    Pro Tip: Glassdoor reviewers noted that being personable and genuine in your responses goes a long way. They want to see that you’re not only excited about coding but also genuinely passionate about working with kids and teaching.

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    Coding assessment: A real-world problem approach

    The coding assessment tests your technical skills and your ability to communicate them simply. On Reddit, candidates mentioned exercises that are intentionally “kid-friendly,” where you’re asked to create or explain a mini-project that demonstrates coding fundamentals. Think along the lines of a basic math game or a function that generates a pattern—things that engage and educate at a child’s level.

    Example coding question (from Glassdoor):

    “Write a function that takes a number and returns its factorial.” Remember, they’ll expect you to explain it as if you’re talking to a kid. Don’t let this become a dense technical explanation; use examples or stories to make it relatable.

    Mistake to avoid: Over-engineering. This interview is all about clear, functional code and straightforward explanations. Stay calm, break it down, and remember that simplicity is key.

    Behavioral interview: Soft skills and culture fit

    After the technical assessment, Code Ninjas typically dives into behavioral questions, testing your soft skills and ability to handle classroom dynamics. A frequent theme in Glassdoor and Indeed reviews is that interviewers pay close attention to examples of your patience, adaptability, and creativity when problem-solving in a classroom setting. You might be asked questions like:

    • “How would you handle a student who gets frustrated easily?”
    • “Describe a time when you had to manage group dynamics in a classroom.”

    One candidate shared how their interviewer probed into their methods for keeping students focused, particularly during long coding exercises. A pro tip? Share any tricks or strategies you’ve used to make learning interactive and engaging.

    Final technical challenge and Q&A

    The final technical challenge is often a live coding exercise where you’re given a brief time to troubleshoot or enhance a simple program.

    Candidates on Indeed and Glassdoor noted that this stage is less about perfection and more about how well you explain your thought process, especially when working under pressure.

    They’re interested in whether you’re calm, logical, and, most importantly, if you can keep explanations clear and engaging.

    Code Ninjas interview questions and how to answer them

    Here’s where we dive into some specifics. Based on the insights from these resources, here’s a look at the questions Code Ninjas often asks, with tips on how you can respond confidently.

    Coding questions and examples

    Algorithms and data structures

    You’ll likely get asked to explain basic algorithms in ways that kids would understand. As one Glassdoor reviewer noted, “If you can’t explain recursion to a 12-year-old, you won’t get far at Code Ninjas.”

    Example question:

    “Can you write a function that reverses a string?”

    Answer with a clear, friendly approach. Instead of a technical lecture, imagine explaining it to a curious kid: “Think of it like flipping a deck of cards from back to front.” Keep the language simple and relatable.

    Problem-solving questions

    You’ll also face questions aimed at testing your patience and empathy, especially when it comes to handling frustrated students.

    “How would you handle a situation where one of the kids in your class is getting frustrated with coding?”

    Past candidates advised showing empathy and a proactive mindset, emphasizing your ability to adjust your approach and explain things differently if needed. A successful response often involves an anecdote of how you previously helped a struggling learner.

    Tips for acing the Code Ninjas interview

    Here’s what seasoned candidates and Code Ninjas employees say about nailing the interview process:

    Do’s and don’ts for the coding assessment

    Do’s: Preparation, practice, and calmness

    • Prepare by reviewing common coding interview questions and exercises and brushing up on communication techniques.
    • Practice simplifying explanations as if you’re talking to a classroom.
    • Stay calm – panicked answers show up as unclear explanations.

    Don’ts: Overcomplicating solutions and lack of communication

    • Don’t overcomplicate your responses. Aim for a balance between clarity and functionality.
    • Avoid radio silence. Glassdoor reviews highlight the importance of explaining your thought process, even if you’re uncertain.
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    FAQs about Code Ninjas interview process

    Based on Indeed and Glassdoor feedback, here are some frequently asked questions from candidates:

    1. What should I expect in the coding test?
      The coding test focuses on basic programming skills and teaching-oriented explanations, with more emphasis on clarity than complexity.
    2. How can I prepare for behavioral questions?
      Think about examples from past roles that show patience, flexibility, and a love for teaching. Reddit users recommend practicing answers about handling classroom challenges.
    3. Do I need experience teaching kids?
      While it’s helpful, it’s not required. Code Ninjas values candidates with a talent for making things simple and engaging, even if they haven’t taught before.
    4. What’s the most common mistake candidates make?
      Overthinking coding questions. According to Indeed and Glassdoor reviews, simplicity and clear communication are key.
    5. How do I show I’m a good fit for Code Ninjas?
      Be yourself, show your enthusiasm for teaching, and demonstrate that you care about kids’ learning experiences.
    6. When will I hear back after my interview?
      Candidates typically hear back within a week. Following up is encouraged if you haven’t received an update after that.

    Final thoughts on nailing your Code Ninjas interview

    Picture this: it’s your first day at Code Ninjas, and you’re about to teach your first class. The interview wasn’t just about being the best coder; it was about being the coder who can make it click for a room full of young minds.

    You’re ready for the challenge because you aced that interview with preparation, patience, and passion for helping kids learn.

    So get ready to make coding fun, relatable, and unforgettable. This interview could be the start of a new journey—one that’s as rewarding as it is challenging.

    Common interview technique FAQs

    What are the key elements of interviewing known as the 5 C's?

    The 5 C's of interviewing include Competency, Character, Communication Skills, Culture Fit, and Career Direction. Competency involves having the necessary technical skills for the task, often assessed through technical evaluations during the interview.

    How can one conduct an interview effectively?

    To conduct an effective interview, start by making the applicant comfortable, such as by establishing rapport with a shared topic before diving into more challenging questions. Utilize open-ended questions to encourage detailed responses, listen more than you speak, take notes diligently, and be mindful of legal boundaries in questioning.

    What are five effective tips for performing well in an interview?

    When giving an interview, it's advisable to arrive early, prepare a brief summary of your experience relevant to the position, listen attentively to each question, maintain a positive demeanor while avoiding negative remarks about previous employers, and be conscious of your body language and tone.

    What steps should be followed to conduct a proper interview?

    A good interview should begin with a friendly opening to make the candidate feel at ease, followed by proper introductions. Set clear expectations for the interview, treat it as a conversational exchange to gather essential information, and share your leadership philosophies. Finally, allow the candidate to ask their own questions.

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    Sean Griffith
    Chief Truffler
    Sean’s entrepreneurial spark lit early, starting with leadership roles at Best Buy Canada before launching a snow plowing startup that garnered international attention. He scaled SimpleTexting from $1MM to $40MM in ARR, later becoming COO of Sinch's SaaS division, overseeing 750+ employees and $300MM in ARR. A marathoner and sun-chaser, Sean thrives on tackling big challenges.

    Smarter, faster, and fairer hiring starts here.