Desktop experience
DevUpLabs is currently designed for desktop browsers. Open this link on your computer for the intended learning experience.
Open a course to see its path, from the first lesson to the last.
Build it in your own AWS account, break it on purpose, then fix it.
Step through every problem as a simulation, then write the code.
Real Postgres in the page. Write the query, then read the plan.
ChangelogSince August 2026
New courses, new ways to practise, and the improvements you will notice.
Free whiteboards for system design, AWS and DSA interviews. Draw as fast as you can talk, and spend the round on the discussion.
Whiteboards
Draw it like the real round.
The places you spend the most time now load faster and feel lighter.
Every DSA problem now has a short drill that checks whether you could solve it again from scratch.
Recall
A drill for every problem
Recall brings back the problems you have solved just when they are due, so the patterns are still fresh on the day of your interview.
Recall
Remember it on the day.
Learn the patterns behind interview problems, each one building on the last.
Learn SQL by asking real questions of a city rail network, right in your browser, with nothing to install.
SQL Mastery
Ask the data anything.
Our first course: hands-on labs where you build real systems on AWS in your own account, see them work, then break them on purpose and bring them back.
AWS and Beyond
Build it. Break it. Fix it.