How to Do Well in a Pair Programming Interview

More engineering teams are replacing the silent whiteboard puzzle with a pair programming round. Instead of watching you solve a riddle alone, an interviewer sits beside you (or shares a screen) and works on a small, realistic task with you for 45 to 90 minutes. The format rewards different habits than a classic algorithm round, and candidates who prepare for it the same way often underperform. Here is what interviewers are actually looking for and how to show it. What the round is really measuring A pair programming interview is less about whether you finish and more about what it would be like to work with you on a Tuesday afternoon. Interviewers usually score four things: how you understand the problem, how you communicate while coding, how you react to suggestions, and how clean and testable your code is. Finishing the task matters, but a candidate who gets 70 percent of the way with clear reasoning and good collaboration often beats one who races to a working solution in silence. Start by restating the task Before typing, summarize the task in your own words and ask one or two clarifying questions. "So we want an endpoint that returns the last ten orders per customer, and we can assume the data fits in memory for now?" This shows you think before you code and gives your partner an early chance to correct a misunderstanding that would otherwise cost you twenty minutes. Think out loud, but in headlines Narrating every keystroke is tiring. Instead, narrate decisions: "I'll write a failing test first so we know what done looks like," or "I'm going to hard-code this for now and come back to it." Short headlines keep your partner oriented without drowning them. Treat suggestions as gifts, not tests Interviewers often drop hints or propose a different approach. Some are genuinely helpful; some check whether you can weigh trade-offs. Either way, respond like a colleague: "Good point, a dictionary would make that lookup constant time. Let me switch." If you disagree, say why briefly and offer to try both. Defensiveness is one of the fastest ways to fail this round. Keep the code runnable Run the code early and often. Small, working increments beat a large block that fails at the end. If the environment supports tests, write a couple; if not, a few quick print checks are fine. Name variables clearly, because your partner is reading along in real time. When you get stuck Say so plainly and describe what you have tried. "I expected this list to be sorted, but it isn't. I think the bug is in how I build the key." Getting stuck is normal; going silent is what hurts you. Many candidates also find it useful to practise with an assistant that can listen to a live session and suggest next steps. Tools like Linkjob AI (https://linkjob.ai) give real-time help during job interviews and technical interviews, which can be a confidence boost when nerves make your mind go blank, though nothing replaces building the habits through practice. How to practise Pair with a friend on small tasks from real codebases: adding a feature to a todo app, fixing a failing test, refactoring a messy function. Record one session and watch how often you explain your reasoning versus typing silently. Rotate who drives. Within a few sessions, the collaborative rhythm interviewers want starts to feel natural. Wrap up well In the last five minutes, summarize what you built, what you would improve with more time, and any edge cases you skipped. That closing reflection is often what interviewers remember most when they write their feedback.