Frontend Developer
HTML to your first frontend offer, in eight stages.
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Roadmaps
98 tracks. Each one is a short, ordered list of stages with the resources for that stage and a project to prove it.
Backend Developer
One language, one database, one deployed service.
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QA Engineer
Manual testing done properly, then automation.
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DevOps
Linux, CI and what on-call really means.
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Full Stack Developer
Frontend, backend and a database, shipped as one product.
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Android Developer
From Kotlin basics to an app on the Play Store, in six stages.
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iOS Developer
Swift, SwiftUI and shipping an app to TestFlight.
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PostgreSQL DBA
Run, tune and protect a PostgreSQL database.
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Blockchain Developer
How blockchains work and how to build smart contracts safely.
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Software Architect
Make design decisions that hold up as systems and teams grow.
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API Designer
Design APIs other developers enjoy using.
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Game Developer
Make small games that play well, then bigger ones.
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Server-side Game Developer
Build the servers behind multiplayer games.
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Forward Deployed Engineer
Work inside customer problems and make software fit their reality.
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HTML
Structure web pages that are correct and accessible.
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CSS
Layout and style pages without guessing.
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React
Build interfaces from components, state and effects.
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Vue
Build apps with Vue's approachable component model.
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Angular
Build large front-end apps with Angular and TypeScript.
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Node.js
Run JavaScript on the server and build APIs.
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ASP.NET Core
Build web APIs and apps with C# and .NET.
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Spring Boot
Build production-ready Java services quickly.
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Flutter
Build mobile apps for Android and iOS from one codebase.
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React Native
Build mobile apps with React and JavaScript.
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MongoDB
Document databases: model, query and scale.
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Redis
Use Redis for caching, queues and fast data.
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Git and GitHub
Version your work and collaborate with confidence.
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Next.js
Full-stack React apps with routing, rendering and APIs.
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Laravel
Build PHP web apps with an expressive framework.
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Elasticsearch
Add fast, relevant search to applications.
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WordPress
Build and customise websites with WordPress.
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Django
Build full web apps in Python with Django.
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Ruby on Rails
Build complete web apps quickly with Rails.
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Vibe Coding
Build software with AI assistance while staying in control.
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Claude Code
Work with an AI coding agent in your terminal effectively.
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Frontend for Absolute Beginners
Never coded? Start here and make your first web page.
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Backend for Absolute Beginners
Understand what happens behind a website and build a first API.
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Git and GitHub for Absolute Beginners
Save your work, undo mistakes and share code.
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Backend Performance
Find why a service is slow and make it fast.
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Frontend Performance
Make pages load fast and feel smooth.
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Code Review
Review and be reviewed in ways that improve code and teams.
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Data Structures & Algorithms
Patterns that get you through coding rounds.
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System Design
Design services that scale, and explain your choices.
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Computer Science Fundamentals
The OS, networking, database and OOP basics interviewers expect.
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LeetCode Practice
A structured way to practise coding problems for interviews.
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AWS Cloud
Core AWS services, set up safely on the free tier.
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Docker
Package, run and ship apps in containers.
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Kubernetes
Run containers reliably at scale.
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DevSecOps Engineer
Put security checks into every step of building and shipping software.
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Cyber Security Analyst
Learn to defend systems and recognise attacks.
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AI Red Teaming
Test AI systems for weaknesses before attackers do.
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Network Engineer
Design and run the networks that everything else depends on.
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Linux
Be comfortable at the command line of any server.
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Terraform
Describe infrastructure as code and apply it safely.
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Cloudflare
Put your site behind a global network that makes it fast and safe.
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Shell and Bash
Automate your computer with the shell.
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DevOps for Absolute Beginners
A gentle start: servers, scripts and shipping code.
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AWS Best Practices
Run workloads on AWS securely, reliably and cheaply.
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API Security
Protect APIs from the common ways they are attacked.
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Python
From your first script to real projects.
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Java
Core Java, OOP and your first Spring Boot API.
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SQL
Query, design and tune relational databases.
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JavaScript
The language of the web, from basics to async code.
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TypeScript
Add types to JavaScript and catch bugs before running.
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C Programming
Learn how programs really use memory and the machine.
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C++
Write fast, modern C++ with confidence.
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Rust
Safe, fast systems programming with ownership.
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Go
Simple, fast services and tools in Go.
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PHP
Build dynamic websites and back ends with PHP.
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Kotlin
A concise, safe language for Android and servers.
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Swift and SwiftUI
Build Apple-platform apps declaratively.
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Ruby
A friendly language for scripts and web apps.
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Scala
Functional and object-oriented programming on the JVM.
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Data Analyst
SQL, spreadsheets and telling the truth with numbers.
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AI & Machine Learning
From Python and maths to models you can explain.
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Data Science
Statistics, Python and machine learning to answer real questions.
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Inference Engineer
Make machine learning models fast, cheap and reliable in production.
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AI Engineer
Build useful products on top of language models.
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Data Engineer
Move, clean and organise data so others can trust it.
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MLOps Engineer
Take machine learning models from a notebook to a reliable service.
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BI Analyst
Turn company data into dashboards people use to decide.
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Power BI
Build interactive reports and dashboards in Power BI.
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Prompt Engineering
Write prompts that give reliable, useful results.
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AI Agents
Build assistants that plan and act with tools.
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Python for Data Analysis
Analyse data with Python, pandas and charts.
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R Programming
Statistics and visualisation with R.
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UX Designer
Research, wireframes and a portfolio that holds up.
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Design Architecture
Plan how a product's design fits together before pixels.
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Design Systems
Build and run a shared library of components and rules.
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Product Support
People skills, tooling and escalation paths.
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Business Analyst
Requirements, models and stakeholder conversations.
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SEO Specialist
Understand how search works and grow traffic for a real site.
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Product Manager
Decide what to build, why, and how to know it worked.
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Engineering Manager
Move from writing code to helping a team deliver well.
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Developer Relations
Help developers succeed with a product through content and community.
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AI Product Builder
Ship useful AI features without being a machine learning researcher.
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Financial Analyst
Statements, models and a valuation you can defend.
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Technical Writer
Clear docs, style guides and the tools writers use.
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