The Engineering Leader's GuidePractical field-tested lessons for Engineering Leaders

Interview prep

Find your real level, then prepare for it

Sit five-question mock interviews across four tracks. An AI interviewer probes your answers the way a real panel does, scores you against level expectations, and turns your results into a focused multi-week plan.

Study guide

System design crash course

A crash course before you interview: the framework, building blocks, estimation math, and the tradeoffs that separate levels.

Read the primer

System Design

Architecture & tradeoffs

Scoping, data modelling, scale, failure modes, and the tradeoff reasoning interviewers actually score.

Start mock interview

Behavioral

Stories & judgment

STAR-quality stories on conflict, ownership, failure, and influence — evaluated for specificity and impact.

Start mock interview

Leadership & Management

People, delivery, strategy

Team health, performance management, delivery predictability, stakeholder and executive communication.

Start mock interview

Coding & Technical Depth

Problem solving & depth

Problem decomposition, correctness, complexity reasoning, and the technical depth expected at your level.

Start mock interview

Your preparation plan

Built from every mock interview you finish — focus areas, a personalized schedule, and drills.

View plan

What a prep plan looks like

Two real examples of plans generated from completed mock interviews — yours will be calibrated to your own results, target level, and the gaps the interviewer finds.

Targeting Senior Engineer

System Design track · estimated at Mid-level

4 weeks
Requirement scopingTradeoff articulationDeep-dive depthFailure-mode thinking
  1. 1Scoping drills — constrain 5 open-ended prompts in under 5 minutes each
  2. 2Data modeling & capacity estimation for two classic designs (URL shortener, chat)
  3. 3Tradeoff vocabulary — practice stating every choice as a cost/benefit pair
  4. 4Two timed full designs with self-review against the scoring dimensions
  5. …weeks 5–6 add mock retries on weak dimensions until scores hold at Senior level.

Targeting Engineering Manager

Leadership track · estimated at Senior Engineer

4 weeks
People leadership storiesDelivery predictabilityStakeholder communicationJudgment under ambiguity
  1. 1Story bank — draft 8 STAR stories covering conflict, failure, and influence
  2. 2Metrics fluency — define a team health dashboard and defend each metric
  3. 3Executive updates — rewrite three project updates for a VP audience
  4. 4Hard conversations — role-play underperformance and re-org scenarios
  5. …weeks 5–8 shift to full panel-style mock interviews across all three tracks.

Past sessions

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