Roadmaps · 12 roles · every skill, in order

What do you want to become?

Pick a role and see exactly what to learn, from foundations to job-ready. Every topic links to our lesson or the best official docs. Free, no sign-up.

Frontend Developer

Use HTML, CSS, and JavaScript to build the visual and interactive elements of websites and applications. Ensure interfaces are responsive, accessible, and visually appealing.

Foundations → job-ready

3 levels ~32h26 topics

Backend Engineer

FAANG-level backend engineering: APIs, databases, async systems, caching, microservices, distributed systems, and performance tuning. Build systems that handle millions of users.

Foundations → job-ready

3 levels ~32h16 topics

Cloud Engineer

Learn to set up and run the rented computers, networks, and storage that every app on the internet lives on.

Foundations → job-ready

3 levels ~22h19 topics

From CI/CD pipelines to platform engineering. Master every layer of modern software delivery, Terraform, Docker, Kubernetes, observability, SRE practices, and the culture that makes elite engineering teams ship with confidence.

Foundations → job-ready

4 levels ~195h55 topics

Site Reliability Engineer (SRE)

The definitive SRE masterclass: 42 concepts across 6 levels covering SRE fundamentals, monitoring and alerting, reliability patterns, incident response, automation and infrastructure, and production excellence, taught at FAANG depth with real production incidents, SLO calculations, and runbooks.

Foundations → job-ready

6 levels ~84h42 topics

Full Stack Developer

Work on both front-end and back-end of applications. Build UIs with HTML, CSS, JavaScript (and a framework like React or Vue); build server logic, databases, and APIs. Often take care of everything required to push the product into production.

Foundations → job-ready

3 levels ~28h16 topics

DevSecOps Engineer

The complete DevSecOps curriculum, from cryptography fundamentals and threat modeling to runtime security, CSPM, compliance as code, and AI/LLM security. Built for engineers who want to own security end-to-end, not just run scanners.

Foundations → job-ready

8 levels ~122h48 topics

AI Engineer

The complete production AI engineering path, from your first API call to fine-tuning, agents, and system design. 77 lessons, 4 courses, ~140 hours.

Foundations → job-ready

4 levels ~126h68 topics

Agentic AI Masterclass

Master agentic AI end-to-end: from what agents are, through tool calling and memory, to building with LangGraph/CrewAI/MCP, and finally to securing and deploying deep research agents in production.

Foundations → job-ready

4 levels ~36h34 topics

System Design

Create a detailed blueprint of a system's architecture, components, modules, interfaces, and data to fulfill specific requirements. Address scalability, performance, security, and usability.

Foundations → job-ready

3 levels ~22h21 topics

Data Structures & Algorithms

Derive the algorithms by hand before you ever open an editor. Sixteen lessons, four desks each: trace it on paper, name the rule that makes it correct, write the method in plain English, then type real Python and check it against your own trace.

Foundations → job-ready

3 levels ~24h17 topics

Cloud-Native Engineering: Kubernetes & Istio

From Linux container primitives to production Kubernetes and Istio mastery. The definitive cloud-native engineering resource, deeper than any book, course, or certification.

Foundations → job-ready

7 levels ~83h58 topics

Everything in Learn

The lessons, the paths, the plan.

Career pathsThe full guided path for a role, lesson by lesson.Cloud foundationsThe terminal, networking and git basics every cloud job assumes you have.Anyone Can CodeNever written code? Start here. Learn to think like a programmer, free, no sign-up, real Python in your browser.Learn to code, end to endTwo stages, free: think and write Python, then derive every classic algorithm by hand. Graded against real tests.AI platform engineeringHow companies run AI in production: observability, guardrails, prompts and agents, lesson by lesson.Study planHow many weeks it takes you, given the hours you actually have.ArticlesDeep dives, written to be read rather than skimmed.

What do you want to become?

Frontend Developer

Backend Engineer

Cloud Engineer

DevOps Engineer

Site Reliability Engineer (SRE)

Full Stack Developer

DevSecOps Engineer

AI Engineer

Agentic AI Masterclass

System Design

Data Structures & Algorithms

Cloud-Native Engineering: Kubernetes & Istio

Everything in Learn