Senior & Staff · Data engineering
The other chair at the table — clarity for your next interview
Structured, day-by-day prep for high-bar data roles: system design, trade-offs, and the signal Staff interviewers look for — without the noise.
System design
Frameworks, estimation, data models, and deep dives — scoped for data platforms, not generic CRUD apps.
Coding track
SQL, Python, and patterns that show up in real data engineering screens — structured like the design track.
Day-by-day
One focus per day, clear navigation, and room to grow the site with more resources over time.