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Job interviews can feel daunting and let’s face it, everyone wants to nail that first impression. But here’s the thing: even the most qualified candidates can slip up on simple things, and those little mistakes can overshadow all the effort that went into getting to this point. If you want to make an impact that sticks, here are some common interview mistakes to steer clear of and some straightforward ways to avoid them.

1. Failing to research the company

This one seems basic, but you’d be surprised how often candidates skip this step. Showing up without knowing much about the company is like showing up to a party not knowing who’s hosting, it can come off as careless and uninterested.

How to avoid it: Spend just 10-15 minutes browsing their website, checking their recent news, and glancing through their social media. Look for things like company values, recent projects, and culture. If you bring any of these up in the interview, you’ll stand out as someone who genuinely cares about this particular role.

2. Ignoring body language

Body language speaks volumes. It’s easy to focus so much on what you’re saying that you forget how you’re saying it. Slouching, avoiding eye contact, or crossing your arms can come off as closed-off or uninterested, even if that’s far from the truth.

How to avoid it: Keep it simple. Sit up straight, offer a genuine smile and make comfortable eye contact. Think of it as having a conversation with someone you respect – confident, attentive, and warm. These subtle cues can signal that you’re present and genuinely engaged.

3. Talking too much, or too little

We’ve all been there: answering a question, realising we’re rambling and hoping it all sounds relevant. Or, on the flip side, freezing up and offering one-word answers. Both can send the wrong message.

How to avoid it: Practice finding that sweet spot. Think of your answers as short, interesting stories. One approach is to use the STAR method (Situation, Task, Action, Result) to stay focused. Just answer what’s asked, share the relevant bits and move on. A well balanced response leaves a much stronger impression.

4. Skipping preparation for common questions

There are a few classic interview questions we all know are coming, like “Tell me about yourself” or “What’s your biggest weakness?” Yet, people still get caught off guard. Showing up unprepared for these is like forgetting the words to Happy Birthday, awkward and unnecessary.

How to avoid it Invest a bit of time practising responses to the big hitters. For example, when talking about weaknesses, go with something real but manageable and mention steps you’re taking to improve. Interviewers appreciate authenticity and self awareness far more than a rehearsed cliché.

5. Failing to ask thoughtful questions

The “Do you have any questions for us?” part of the interview isn’t just polite filler. It’s your chance to show interest in the role and the company, and saying “no” or asking something superficial can make you look disengaged.

How to avoid it: Prepare a couple of questions in advance that show you’re thinking about the role and the company in depth. Ask about things like team culture, growth opportunities, or what success in the role looks like. These types of questions demonstrate curiosity, engagement and thoughtfulness.

6. Talking negatively about previous employers

Even if your last role wasn’t ideal, complaining about past bosses or colleagues is never a good look. It suggests that you may bring negativity into the workplace, or worse that you might one day talk about them in the same way.

How to avoid it: Keep it positive and professional. Frame any past issues as learning experiences and focus on what excites you about this new opportunity. This approach shows you’re forward thinking and more interested in growth than rehashing old grievances.

7. Not following up

Following up might seem like a formality, but it’s an easy way to stand out. A short, polite follow up shows professionalism and reminds them that you’re genuinely interested in the role.

How to avoid it: After the interview, send a thank you email within 24 hours. Keep it brief, thank them for their time, mention something specific you discussed and reinforce your interest in the role. This small touch often leaves a positive, lasting impression.

8. Coming across as overly eager or desperate

There’s a fine line between enthusiasm and desperation. Being too eager can actually come across as insecurity, making it seem like this is your only option. And if you’re trying too hard, interviewers might wonder why.

How to avoid it: Be genuinely interested but stay grounded. Express your enthusiasm for the role but focus on your skills and how they align with the company’s needs, rather than trying to “win them over.” A confident, balanced approach can be far more appealing.

9. Undervaluing a professional appearance

Even if you know the company has a casual dress code, showing up to an interview in too laid back an outfit can suggest you don’t take the opportunity seriously. First impressions matter, and appearance plays a big part.

How to avoid it: When in doubt, go a step more professional than their usual attire. You don’t need to wear a full suit if the office is casual, but a polished look shows respect and a bit of extra effort.

10. Not practising beforehand

Nerves are natural, but going into an interview without any practice can make them much worse. The more you stumble, the harder it becomes to keep your cool.

How to avoid it Grab a friend, or even a mirror and run through some answers to common questions. Practising out loud helps make your answers feel natural and boosts your confidence, so you’re ready to go when it counts.

Wrapping up

Interviews might be stressful but they’re also a chance to showcase who you really are. By avoiding these common mistakes, you’ll not only feel more prepared but also more confident. A little effort, a positive attitude, and an authentic approach go a long way in standing out as a memorable candidate. So, take a breath, be yourself and let your skills and enthusiasm do the talking.

Good luck you’ve got this!