Roadmap

Lessons and topics that are coming soon. Listed in rough order. Dates aren't fixed. Everything on the topics page is ready to use today.

Lessons coming soon

Data Structures & Algorithms
Linked lists, Stacks and queues, Heaps and top-k, Recursion and backtracking, Intervals, Dynamic programming, Greedy algorithms, Tries, Advanced graphs, Union-find, Bit manipulation and math, Specialised structures, Simple sorts.
System Design
Consistent hashing, Rate limiting, Back-of-the-envelope estimation, DNS, CDN and proxies, Reliability basics, Microservices, Monitoring, Cloud design patterns, Event sourcing and CQRS, Performance antipatterns.
AI & Machine Learning
Gradient descent, Neural networks, Overfitting, Attention.

Networking
How data moves between machines: protocols, DNS, TCP and HTTP.
Operating Systems
How an operating system runs programs: processes, threads, memory and scheduling.

Security
How systems are attacked and defended: authentication, encryption and common vulnerabilities.
Embedded Systems & IoT
Software that runs on small devices and talks to the physical world.