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Hands-on dev & DevOps mastery

Pick a role.
Master the skills.
Prove it.

Aim at the role you want and learn exactly the skills it needs — through hands-on courses with a live AI coach and a simulated terminal. Or jump straight into a single course.

Want to see where you stand first? 🗡️ Take the Gauntlet → · Cert prep? Practice exams →

Or dive into a single track

🤖221 questions

AI Engineering

Build with LLMs — RAG, agents, evals, and AI systems.

LLM Fundamentals & PromptingRetrieval-Augmented GenerationAgents & Tool Use+4
What’s covered →Start assessment →
🧑‍💻180 questions

AI for Coding

Ship faster with AI — and keep it correct.

AI-Assisted WorkflowsPrompting for CodeReviewing AI Output+3
What’s covered →Start assessment →
🧠180 questions

Building AI on the Cloud

Bedrock, Vertex, Foundry — RAG and agents in production.

Managed LLM APIsAWS BedrockGCP Vertex AI+3
What’s covered →Start assessment →
☸️187 questions

Kubernetes

How deep does your cluster knowledge really go?

TroubleshootingCluster LifecycleCluster Extensions+5
What’s covered →Start assessment →
☁️190 questions

AWS Cloud

Prove you can ship on the cloud everyone runs on.

Security & IdentityData ProtectionResilience & HA+5
What’s covered →Start assessment →
🎨180 questions

Frontend Engineering

HTML, CSS, JavaScript, React — build for the browser.

HTML & SemanticsCSS & LayoutJavaScript & the DOM+3
What’s covered →Start assessment →
⚙️180 questions

Backend Engineering

APIs, auth, data, and reliability at scale.

HTTP & REST APIsAuth & SecurityData & Persistence+3
What’s covered →Start assessment →
🗄️180 questions

Databases

SQL, modeling, indexing, transactions, and scale.

SQL & QueriesData ModelingIndexing & Performance+3
What’s covered →Start assessment →
📦168 questions

Containerization

Build small, run safe, ship anywhere.

Images & LayersDockerfiles & BuildsRuntime & Networking+4
What’s covered →Start assessment →
🔐66 questions

Security & DevSecOps

Ship fast without shipping holes.

AppSec & OWASPSecrets ManagementIdentity & Access+4
What’s covered →Start assessment →
🏗️190 questions

Terraform & IaC

Declare it, plan it, ship it.

IaC ConceptsTerraform FundamentalsCore Workflow+5
What’s covered →Start assessment →
📊140 questions

Observability & Monitoring

See inside your systems before they fall over.

Observability ConceptsPrometheus ArchitecturePromQL: Selecting & Rates+3
What’s covered →Start assessment →
🐍37 questions

Python

From data types to the GIL.

Data TypesFunctions & ScopeOOP+3
What’s covered →Start assessment →
🚀66 questions

CI/CD & Delivery Pipelines

Can you take a commit to production — built, tested, signed, and safely rolled out?

CI/CDContainersInfrastructure as Code+4
What’s covered →Start assessment →
🔁64 questions

GitOps & Delivery

Git as the single source of truth — how well do you wield it?

PrinciplesArgo CDFlux+3
What’s covered →Start assessment →
🧩35 questions

System Design

Tradeoffs, not buzzwords.

ScalabilityDatabases & StorageCaching+3
What’s covered →Start assessment →
🐧147 questions

Linux & the Command Line

From pwd to process signals — how fluent is your shell-fu?

Essential CommandsOperations & PackagesService & System Config+3
What’s covered →Start assessment →
🔷186 questions

Microsoft Azure

Master the cloud that runs the enterprise.

Identity & Entra IDGovernance & CostStorage+5
What’s covered →Start assessment →
🌥️190 questions

Google Cloud

Ship and scale on Google's cloud

Environment SetupBillingCompute+5
What’s covered →Start assessment →
📜60 questions

Shell Scripting

Quote it, trap it, ship it.

Variables & QuotingControl FlowFunctions & Arguments+3
What’s covered →Start assessment →