A real test for your role, graded on submit.
Pick your formats and the AI writes a role-specific test. Sit it proctored and timed, in your browser, then read the score against a rubric. Walk through it below, then take one yourself.
func allow(id string) bool {
if window.count(id) < limit {
return true
}
}
Which structure gives O(1) lookups for a sliding window counter?
You pick the formats, the AI writes the test
Choose any mix of multiple choice, coding and a written answer. The AI drafts the questions from the role and its skills, so the test fits the job rather than a fixed bank.
- Multiple choice, coding and written answers, your pick
- Questions generated from the role, not a fixed list
- Length scales with your picks, ready in under a minute
Backend Engineer
Engineering, 4+ yrs, Node and Go
Formats
AI drafted question
SuggestedDesign a rate limiter for an API gateway that stays fair under bursty traffic.
Return requests per client per window, and explain the tradeoffs of your choice.
Proctored, timed, and real
A real code editor with test cases, a running timer, and full proctoring. Camera and entire-screen recording run throughout, exactly as they would for your own candidates.
- Real code editor, run against hidden and visible tests
- Camera and full-screen recording for integrity
- One countdown timer, no retries
func allow(id string) bool {
if window.count(id) < limit {
return true
}
}
Which structure gives O(1) lookups for a sliding window counter?
Graded the moment you submit
The same engine grades every answer against a rubric and hands back a score with a per-format breakdown, with your recording attached. No waiting on a reviewer.
- Overall score with a per-format breakdown
- Written answers graded against a rubric, not keywords
- Integrity signals and the full recording, attached
Mateo Alvarez
Backend Engineer, screening
By format
6 of 6 answered
3 of 4 tests passed
Reviewed
See your score for real.
A few minutes, your browser, a real graded test. See exactly what your candidates would.