Intelligent systems
for real‑world performance.
Jestry AI builds simulation and assessment systems that help you practice under real conditions, evaluate your readiness, and perform when it matters most.
“Walk me through how you'd design a rate limiter for a distributed system handling 10 million requests per day.”
AI systems built for
the real world.
Jestry AI develops two categories of intelligent products — simulation tools that sharpen human performance, and custom AI that transforms how organizations work.
Simulation & Assessment
Intelligent systems that let individuals and teams practice real-world scenarios, evaluate performance, and build decision-making confidence — before the stakes are real.
Custom AI Solutions
Tailored AI systems that automate complex workflows, enhance team productivity, and solve domain-specific problems for organizations building with intelligence.
Reach out to discuss your use case →
This is not
practice questions.
Interview Arena puts a video AI interviewer on screen — full facial expressions, mouth syncing, real-time voice. Domain-aware, persona-driven, and calibrated to the role you're preparing for.
The difference: LeetCode gives you problems. Interview Arena puts you in the room.
Video AI interviewer — face to face
A human AI appears on screen with full facial expressions and mouth syncing. It speaks, listens, and follows up in real time — not a chatbot, a presence.
Domain-specific scenarios
Technology, Finance, Healthcare, Product, and more. Questions and depth calibrated to your field.
AI interviewer personas
Practice with a friendly recruiter, a strict hiring manager, or a deep-dive technical engineer.
Structured feedback
After every session: answer quality, communication, technical depth — scored and explained.
Start your first interview.
Under 60 seconds to begin.
No setup. No scheduling. Just pick your domain, choose your persona, and walk into a simulation that feels real.