DSA

DSA Pattern Tracker

4 weeks of foundations, then 16 patterns. Read the lesson, solve the day's problem, log the tell.

–/ 120 solved

SQL

SQL Pattern Tracker

16 weeks, 96 practical questions on one seeded company database. Write the query in the browser, check it, log the tell.

–/ 96 solved

PySpark

PySpark Depth Tracker

20 weeks from architecture to production. Do the exercise on real data, run the debug drill, log what the plan and the UI showed.

–/ 120 done

System Design

System Design Tracker

20 weeks, 120 sessions. Foundations, HLD building blocks, LLD and patterns, classic HLD problems, timed mocks.

–/ 120 done

Kafka

Kafka Depth Tracker

16 weeks: the log model, operating a cluster, production incidents, then the ecosystem and design. Do the lab or drill, log symptom, cause, fix.

–/ 96 done