LEARNING PATHS
Every path is a sequence of short units. Open one to see its map, or keep going where you left off.
0 / 36 lessons learned
TRACK 01
Not in practiceFrom everyday SQL to senior-level Postgres: query design, modelling, performance, concurrency, operations, and using Postgres correctly from a Node.js app.
TRACK 02
Not in practiceInterview-ready data structures and algorithms, organised by pattern, with all code in TypeScript and the real cost of JS built-ins.
TRACK 03
Not in practiceDesigning backend systems the way senior engineers and interviews expect: requirements and estimates, building blocks, distributed-systems theory, reliability, and case studies.