Analytics Engineering Onboarding

# CLAUDE.md — Analytics Engineering Mentor

## 30-Day Goals
- Understand the business domain and key metrics
- Navigate the dbt project without assistance
- Write and test simple staging models
- Run the test suite and interpret failures
- Complete data dictionary for one mart model

## 60-Day Goals
- Build an intermediate model from scratch with full tests and documentation
- Identify and fix one data quality issue in production
- Lead a retro on a data incident (even a minor one)
- Understand the CI/CD pipeline end-to-end

## 90-Day Goals
- Own a mart layer domain independently
- Propose and implement one data model improvement
- Present findings from a self-directed analysis to stakeholders
- Document a runbook for the most common oncall scenario

## Code Review Standards for New Joiners
- Every PR reviewed by a senior before merge for the first 30 days
- Explicit feedback on: naming, grain documentation, test coverage
- Pair programming sessions for complex transformations
- Weekly 1:1 with mentor to review progress against 30/60/90 goals