Practice real data work.Prove it to employers.Practice real data work.Prove it to employers.
A hands-on workspace for data
practitioners. Solve real-world SQL,
Python, and Linux workloads to prove
your market value, while engineering
teams use the exact same environment to
assess and hire talent.A hands-on workspace for data practitioners. Solve real-world SQL, Python, and Linux workloads to prove your market value, while engineering teams use the exact same environment to assess and hire talent.
Take on real workloads,
ship solutions,
and earn your rank.Take on real workloads, ship
solutions, and earn your rank.
Count ERROR lines in the application log
Claim a Workload
Every challenge starts with a formal brief - a short description of the problem, who is affected, and what outcome is needed. It reads like a real work ticket, because it is modelled after one. No learning objectives. No hints. Just a problem that needs solving.
Claim Your TaskWatch your market value
scale in 30 days.
Salary
£100
Tasks Done
1
Streak
1d
Data Intern
L01
Day 1You take your first ticket. You spin up the terminal, solve a live data anomaly, and put your first earnings on the board.
Salary
£350
Tasks Done
7
Streak
7d
Data Intern
L01Day 7A 7-day streak of shipped code. Your salary balance is compounding as you unlock access to advanced Python and Linux workloads.
Salary
£1050
Tasks Done
30
Streak
30d
Data Intern
L01Day 3030 workloads crushed. You hold a massive XP balance and a verified track record of execution, ready for engineering teams to assess.
Built for practitioners.
Validated by the market.
I was tired of toy datasets and clean tutorials. The data pipelines you build here are identical to the messy, broken systems I deal with at my actual job. It is the only sandbox that feels like reality.
David Chen
Senior Data Engineer
1 of 4
Stop assessing talent with toy datasets.
Create Assessment
Invite Candidate
Candidate Results
Traditional hiring relies on multiple-choice quizzes, abstract algorithm puzzles, and take-home tests that take days to grade. We built a better signal. Assess candidates using the exact same broken pipelines and live workloads our engineers practice on.
Explore Enterprise Hiring
No more unverified certificates.
No more manual grading.
Verified execution speed and accuracy.
