Speak Confidently in Interviews — Even If You’re Nervous
Every candidate gets nervous. Senior engineers, seasoned managers, and first-time applicants — the physical response is universal. What separates confident-seeming candidates from anxious ones isn’t the absence of nerves. It’s having tools to manage them so they don’t control your performance.
The Physiology of Nerves (and Why It’s Actually Useful)
The anxiety you feel before an interview is your sympathetic nervous system activating — the same response that helped your ancestors escape predators. The elevated heart rate, sharpened focus, and energy rush? Reframe it: this is your body preparing you to perform. Research by psychologist Alison Wood Brooks shows that reappraising anxiety as excitement (rather than trying to calm down) significantly improves performance in high-stakes situations.
The 4-7-8 Breathing Technique
Do this in the car, elevator, or bathroom before you go in:
- Inhale slowly through your nose for 4 seconds
- Hold for 7 seconds
- Exhale slowly through your mouth for 8 seconds
Three rounds of this activates your parasympathetic nervous system and measurably reduces cortisol. It takes 90 seconds and works every time.
Vocal Confidence: Pace, Pitch, and Projection
- Slow down. Nerves accelerate speech. Consciously speak at 80% of your normal pace.
- End sentences going down, not up. Upward inflection sounds uncertain. Downward inflection sounds decisive.
- Don’t trail off. Finish your sentences fully, with clear, deliberate endings.
- Project from your chest, not your throat. Speak as if to someone 3 metres away.
Eliminating Filler Words
“Um,” “like,” “you know,” “basically” — these signal uncertainty and reduce perceived competence. The fix isn’t trying harder not to say them. It’s replacing the filler with a deliberate pause. Practice until silence feels comfortable.
The Week Before: Building Confidence Through Preparation
Confidence is largely preparation in disguise. The more you’ve practised out loud, the less your brain will scramble in the moment. Do at least three full mock answers aloud, once per day, in the week before your interview. Stand up when you practise — it changes your vocal energy and posture.