Software Engineer Interview Coach: Questions for the AI Era

What is Software Engineer Interview Coach?

Software Engineer Interview Coach is a free web tool for practicing AI-era interview questions, where you’re judged on how you lead AI agents rather than on how fast you type code yourself. Each round serves four realistic prompts, like writing the brief for an agent that must add rate limiting to a public REST API, or reviewing a 900-line pull request an agent opened against a payments service. You answer in English, as if you were talking to the interviewer, and the tool grades your response on the spot from 0 to 100.

Behind that number sits BRIEF, a proprietary method created by SeoSab specifically for this new type of AI coding interview. In practice, a strong answer gives the agent context, defines what «done» means, limits what it can touch, explains how the work gets verified and anticipates what could break. The grading doesn’t rely on AI either: it uses fixed rules, so feedback is instant, private and always identical for the same answer. Your text never leaves the browser, and you don’t need an account, an email or a download to begin.

The method behaves like a demanding interviewer. If your answer skips one of the five elements, the score is capped at 69 out of 100, just below the «Strong» band that starts at 70. Skip two or more and the ceiling drops to 55, so a brilliant architecture answer still falls short if you never explain how you’d test it.

Who is this software engineering interview prep tool for?

Software Engineer Interview Coach is built for tech professionals getting ready for technical interviews in English, from junior developers to staff engineers. Its three levels unlock as you improve, so the tool grows with you instead of feeling too easy after a weekend. Most prep material still revolves around LeetCode-style exercises, while newer interviews ask how you specify, supervise and verify work done by AI. That gap is exactly what this coach trains, which makes it a good fit for:

• Backend, frontend and full-stack developers hunting for a new role or switching companies.
• Senior and staff engineers preparing for system design and technical leadership rounds, where senior software engineer interview questions increasingly involve agents.
• Advanced students and bootcamp graduates who want to understand how AI-assisted work is evaluated.
• Tech leads and hiring managers who design their own interviews and need current, realistic examples.

As for progression, Core is open from the first visit, while Senior and Staff unlock once you average 70 or higher across at least three answers in the previous level. That rule keeps the climb honest, because you can’t jump into Staff-level incident scenarios without first proving you can write a solid brief for a single agent.

How do you practice for a software engineering interview with this coach?

You practice by opening the tool in your browser, choosing a level and a topic, and answering four written questions per round. It works on desktop and mobile, either embedded in this post or directly at seosab-tools.pages.dev/software-engineer-interview. Follow these steps to start:

1. Open the tool. There’s no sign-up, download or email form.
2. Choose your Level: Core is unlocked, and Senior and Staff open as you progress.
3. Pick a Focus. «Mixed (recommended)» blends every topic, like a real interview.
4. Turn on the optional 3-minute timer per question if you want to add pressure.
5. Click «Start my interview» to get your four questions.
6. Read the question and the short hint below it, then type your answer in English.
7. Click «Score my answer» to see your result.

Once you submit, the screen breaks the result into parts: a 0–100 score, the BRIEF checklist showing which elements are present or missing, «What’s working», up to three tips under «How to improve», a «Skill breakdown» across six skills and «How you answered». The sweet spot is 120 to 320 words per answer, roughly one to two and a half minutes when spoken aloud at 130 words per minute.

From there, the coach pushes you the way a real panel would. If something is missing, the interviewer asks a follow-up such as «How would you prove it works?», and you reply with «Answer the follow-up» to get rescored. Alternatively, use «Edit & rescore» to polish your original answer, or open «See a strong example answer» to compare it against a model response.

When you’re ready, click «Next question» and, at the end of the round, «See my report». The report highlights your strongest and weakest skill, your estimated speaking time and a question-by-question summary. Use «Skip» to pass on a question, or «Retry these questions» to repeat the same round and measure how much your score improved.

What topics and features does the coach include?

The coach includes four practice topics plus a mixed mode, along with extra features that turn a single session into a training routine. You pick the topic in the Focus menu before starting each round.

• Mixed (recommended): combines questions from all four topics, the closest thing to a real interview loop. It’s the best choice when you don’t know what the company will ask.
• Delegate to an AI agent: trains you to write the brief an agent needs to complete a task, such as adding rate limiting to an API, migrating code to TypeScript or coordinating several agents at once.
• Review AI-written code: covers reviewing huge AI-generated pull requests, distrusting tests that pass too easily and deciding whether to accept a library the AI suggests.
• System design with AI: focuses on architecture where AI plays a role, like agent-driven support tickets, safe database access for an agent or CI pipelines with agents.
• Debugging & incidents: prepares you for things breaking, for instance an agent closing valid tickets, an LLM feature returning wrong answers or an AI bill that suddenly triples.

On top of the topics, several features keep you coming back:

• Interviewer follow-up: when an answer misses a BRIEF element, you get the question a real interviewer would ask and can answer it right there.
• Strong example answer: every question includes a model response written to score high, so you can see what good looks like.
• How you answered: tracks how long you took to start, your estimated spoken length, what percentage you rewrote and how much you pasted. It’s informative and doesn’t affect the score.
• Welcome back: compares your latest round with the previous one, shows your best round, day streak, trend and weak spot, and the next round adds questions that target that weakness.
• Question of the day: one new question daily, the same for every user.
• No repeats: while fresh questions remain, the ones you already answered won’t come back.

A typical prompt reads: «An agent keeps ‘fixing’ failing tests by changing the assertions instead of the code. How do you rewrite your brief so it stops?» That’s the kind of question a classic algorithm drill never prepares you for.

What skills do you build with these software engineer interview questions?

You build six skills, the same ones the coach scores in its Skill breakdown, and each maps to what interviewers now look for when AI writes most of the code. Together they add up to a single ability: specifying, supervising and verifying work you didn’t type yourself.

• Context: giving the AI, or a teammate, everything it needs to know about the system, the rules and the files involved.
• Outcome: defining exactly what «done» means before any work starts.
• Guardrails: stating what’s off-limits, like sensitive data, production, dependencies or permissions.
• Verification: explaining how you’ll confirm the work actually functions, through tests, reviews or metrics.
• Oversight: anticipating failures and deciding where a human has to step in.
• Delivery: answering in a clear, ordered way, with steps and without filler or hedging.

The difference from traditional preparation is easy to see side by side:

That’s why preparing for a software engineering interview today means practicing both: algorithms still show up, but an AI coding interview round can decide the offer on its own.

Which of the four topics feels toughest for you right now: briefing an agent, reviewing its code, designing around it or handling an incident? Share your experience in the comments and tell us which question tripped you up the most.