EngineerSpeak

Technical Interview AI for Developers, Data & ML

Realistic AI mock interviews for software developers, data scientists, and machine learning engineers.

Start a free mock interview → No credit card required. 1 free session available.

Technical interview practice in English

Interview tracks

Keep content locale and interview language separate while choosing a supported role and technology.

Java Backend

Spring Boot, SQL, concurrency.

Node.js Backend

TypeScript, event loop, APIs.

Python Backend

FastAPI, Django, async I/O.

PHP Backend

Laravel, Symfony, queues.

C# Backend

.NET, ASP.NET Core, EF Core.

Data Science

Statistics, modeling, data work.

Machine Learning

MLOps, ML systems, LLMs.

AI Mock Interviews for Technical Roles

Practice realistic technical screens with role-specific questions, spoken answers, follow-up pressure, and structured feedback.

Can the site language differ from the interview language?

Yes. The content/interface locale and interview language are separate values in setup links.

Which roles are supported?

Software development, data science, machine learning, and backend tracks for Java, Node.js, Python, PHP, and C#.

Can I choose Junior, Middle, or Senior?

Yes. Seniority is selected during setup.

Will the AI ask follow-up questions?

Yes. Follow-ups test assumptions, constraints, implementation details, and trade-offs.

Practice Technical Answers by Voice

Reading questions is useful, but speaking trains the real interview skill: explaining designs, trade-offs, and failures out loud.

Get Structured Technical Feedback

Review correctness, completeness, missing concepts, answer depth, and trade-offs after each answer.

Interviewing in English?

Enable optional English feedback for grammar, clarity, professional vocabulary, and natural phrasing.

How EngineerSpeak Works

Choose a role and level, answer by voice, handle follow-ups, review feedback, and practice missed concepts.

Pricing

One-time packs when you need more practice

Start free, then buy a time-boxed question pack. No subscriptions or recurring payments.

Interview Sprint

$9/ pass

30 questions included · valid for 7 days

✓30 technical interview questions
✓2 error reports

View pricing

Job Hunter

$18/ pass

75 questions included · valid for 30 days

✓75 technical interview questions
✓5 error reports

View pricing

Interview Killer

$36/ pass

210 questions included · valid for 30 days

✓210 technical interview questions
✓14 error reports

View pricing

FAQ

Can the site language differ from the interview language?

Yes. The content/interface locale and interview language are separate values in setup links.

Which roles are supported?

Software development, data science, machine learning, and backend tracks for Java, Node.js, Python, PHP, and C#.

Can I choose Junior, Middle, or Senior?

Yes. Seniority is selected during setup.

Will the AI ask follow-up questions?

Yes. Follow-ups test assumptions, constraints, implementation details, and trade-offs.