Practical articles for candidates preparing for English-language tech interviews — speaking skills, role-specific tips, and career advice.

Filler words like um, uh and like signal hesitation. Here's a practical framework to notice and eliminate them before your next interview.

A realistic at-risk account case with the actual data, a full worked answer, the three most common wrong answers, and what the panel is scoring while you talk through it.

20 real data analyst interview questions organised by how the request arrives — pull this number, why did it change, which is better, build a dashboard, what should we do — and what each one is really asking for.

A realistic product case with the actual numbers — a renewal rate that fell eight points — worked through end to end, including the decomposition that changes the answer and what the data still can't say.

20 real data science interview questions organised by what each round is designed to eliminate — SQL, statistics, modelling, the product case, and the communication round that decides the offer.

20 real product manager interview questions grouped by what each round deliberately leaves out — the user, the number, the answer, the agreement, and the time — plus how to answer each one out loud.

Most design frameworks make candidates sound scripted. This one is four moves — frame, explore, commit, stress — with a worked example on a real design challenge prompt.