Tier 1 · Full loopStart the demo
AI agent engineer
From first-screen to behavioral. Coding in a Modal sandbox with an AI pair, then behavioral by voice.
MidSeniorStaffPrincipal
The loop · ~90 min total
01
AI voice screen
15 min · Live
→
02 · live
Coding sandbox
45 min · Sandbox
→
03
System design
30 min · Voice
→
04
Behavioral
15 min · Voice
5-min sample · Coding sandbox
Build a tool-using agent
Wire a tool-calling agent to a mock filesystem. Make it not loop.
5 min · timedFree · sign up to startSame scoring as production
Try any round individually
AI voice screen
A 15-min phone screen by a voice agent with role-specific rubric.
15 min · Live · $4.00
Coding sandbox
Real Modal-sandboxed environment. Candidate pairs with an AI like a senior engineer would.
45 min · Sandbox · $7.50
System design
Design a system out loud with Sage pushing on trade-offs — scale, failure modes, what you would cut.
30 min · Voice · $4.00
Behavioral
STAR-style situational prompts. Scored on specificity, ownership, learning.
15 min · Voice · $4.00