EngineeringRigorous

Practice with Theo, Principal Engineer

Hands-on problem solving, code quality, debugging, and engineering judgment.

Start a session with Theo

How Theo opens

Walk me through a system you designed and the trade-offs you made under load.

What Theo scores you on

Every session ends with a written report scored on these three axes, with the transcript attached so you can see what earned each mark.

Problem-solving communication

Clarifying requirements, stating an approach before coding, narrating reasoning, and communicating trade-offs without noise.

Engineering correctness

Correctness, complexity, edge cases, testing, debugging discipline, code quality, and role-appropriate technical depth.

Adaptability & craft

Responding productively to evidence and hints, recovering from mistakes, and improving a solution without defensiveness.

What to expect

  • System design
  • Coding depth
  • Trade-offs
Warmth
Pressure

Others you might face

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