128 portfolio projects · 12 role journeys

Build real things, not toy demos.

Pick a role and follow one guided journey: take a single real app from your laptop all the way to a production platform, with real deliverables an interviewer respects.

Choose your journey

Frontend Developer

One real app, carried from your laptop to a production platform across 12 guided projects.

12 projects~85hbeginner to expertExplore

Backend Engineer

One real app, carried from your laptop to a production platform across 12 guided projects.

12 projects~77hbeginner to expertExplore

Cloud Engineer

One real app, carried from your laptop to a production platform across 13 guided projects.

13 projects~133.5hbeginner to expertExplore

DevOps Engineer

One real app, carried from your laptop to a production platform across 12 guided projects.

12 projects~96hbeginner to expertExplore

Site Reliability Engineer (SRE)

One real app, carried from your laptop to a production platform across 14 guided projects.

14 projects~87hbeginner to expertExplore

Full Stack Developer

One real app, carried from your laptop to a production platform across 12 guided projects.

12 projects~79hbeginner to expertExplore

DevSecOps Engineer

One real app, carried from your laptop to a production platform across 12 guided projects.

12 projects~73hbeginner to expertExplore

AI Engineer

3 portfolio-grade projects to prove you can do the job.

3 projects~56hExplore

Agentic AI Masterclass

3 portfolio-grade projects to prove you can do the job.

3 projects~57hExplore

System Design

One real app, carried from your laptop to a production platform across 12 guided projects.

12 projects~80.5hbeginner to expertExplore

Data Structures & Algorithms

One real app, carried from your laptop to a production platform across 12 guided projects.

12 projects~64.5hbeginner to expertExplore

Cloud-Native Engineering: Kubernetes & Istio

One real app, carried from your laptop to a production platform across 11 guided projects.

11 projects~143hbeginner to expertExplore

Everything in Do

Practice on real systems until it sticks.

Hands-on labsA real terminal in your browser. Break things safely.Guided scenariosA real situation, and the decisions it forces on you.Daily drillOne question a day. Small enough that you will actually do it.Cloud decisionsThe judgment calls, without a right answer handed to you.Pattern drillShuffled algorithm problems, thirty seconds each, no coding. Trains the recognition an interview starts with.FlashcardsThe facts that need to be automatic, drilled until they are.