Common mistakes in tech interviews (and how to avoid them)
Tech interviews can be just as challenging as the job itself. They don't just evaluate your technical knowledge, they also test your ability to solve problems, communicate, and show you're a fit for the team. And yet, many candidates keep falling into the same mistakes that cost them the opportunity.
In fact, a 2024 CareerBuilder study found that 50% of recruiters rule out a candidate within the first 10 minutes because of basic preparation or attitude mistakes. The good news is these mistakes are entirely avoidable once you know what they are and how to handle them.
Mistake 1: Not showing personal projects or hands-on experience
In tech, what you've built matters just as much as what you know. Showing up to the interview with only theory and no real examples can make you look underprepared.
How to avoid it:
Have your GitHub, portfolio, or links to personal projects ready.
If you've taken part in hackathons, open source, or side projects, mention them.
Explain your role and how you solved real problems.
Mistake 2: Neglecting soft skills
Many candidates think being good at coding is enough, but recruiters are also looking for communication, empathy, and teamwork.
Data point: according to LinkedIn (2023), 89% of hiring failures come down to a lack of soft skills, not technical shortcomings.
How to avoid it:
Practice explaining complex concepts simply.
Show examples of how you've collaborated on a team.
Highlight your ability to adapt to change.
Mistake 3: Not researching the company
Showing up to the interview without knowing the company's culture, projects, or values can come across as a lack of genuine interest.
How to avoid it:
Look into their website, blog, and social media.
Know the technologies they use and how they align with your profile.
Prepare smart questions that show genuine interest.
Mistake 4: Going quiet on reasoning questions
In technical interviews, it's not just the answer that matters, it's how you get there. Staying silent signals uncertainty.
How to avoid it:
Think out loud: explain your process, assumptions, and logic.
Even if you don't reach the perfect solution, showing your reasoning is key.
Mistake 5: Not talking about what you learned from past mistakes
Many candidates believe admitting a mistake will make them look bad, when in reality it shows maturity and the ability to improve.
How to avoid it:
Mention a mistake you made on a project.
Explain what you learned and how you apply it today.
Be honest, but always keep the focus on the learning.
Conclusion
A tech interview isn't about being perfect, it's about showing your technical ability, your way of thinking, and your potential to grow within a team. Preparing to avoid these mistakes can make the difference between falling short and landing the opportunity you're after.
At Mobiik Team, we believe every interview is a chance to learn and show the best of yourself. If you want to be part of an environment where we value both your technical skills and your personal growth, write to us at talent@mobiik.com and take the next step in your career. 🚀
