Sona Logo
Scale Logo
Powered by Sentra

Experience engineering
before you're hired.

Drop into a realistic engineering workspace. Solve real problems. Get evaluated on what actually matters — execution, not memorization.

12
Competencies Measured
40+
Evidence Signals per Session
Dual AI
Evaluation Models
11 min
Average Duration
Available Simulations

Choose your next industry challenge.

2 Live Missions
SDE Incident Mission
FEATURED MISSIONFintra EngineeringP1 Payment Outage Incident

Software Development Engineer

Payment success rate has dropped by 48%. Transactions are failing across multiple regions. The CTO is waiting for your incident response. Every decision impacts millions of users.

~10 min★★★★★ Intermediate🤖 Dual AI Evaluated🎯 Real Company Scenario
Problem SolvingIncident ResponsePR CommunicationOwnershipLeadership
▶ Start Simulation

Continue Learning & Popular Simulations

Scroll for more →
Data Scientist Simulation
LIVE SIMULATION
Sonascale Analytics

Data Scientist

Diagnose a churn spike affecting 2,400 newcomers — deliver actionable retention strategy.

⏱ ~15 min • AI Evaluated▶ Start
SDE Simulation
HOT SIMULATION
Fintra Engineering

Software Development Engineer

Debug a P1 payment gateway outage — restore 99.99% system availability.

⏱ ~10 min • AI Evaluated▶ Start

Coming Soon

STE
Meridian Payments
🔒 Coming Soon

Software Test Engineer

Build a test strategy for a new checkout API — find the edge cases before production does.

Expected Q3 2026Notify Me →
DA
Latchkey SaaS
🔒 Coming Soon

Data Analyst

Investigate revenue attribution gaps in a SaaS product — clean, model, and present the findings.

Expected Q3 2026Notify Me →
DevOps
Axon Infrastructure
🔒 Coming Soon

DevOps Engineer

Restore a Kubernetes cluster degraded after a bad rollout — without taking the service down.

Expected Q3 2026Notify Me →
Indian Tech Evaluation Center
PROPRIETARY AI ENGINE

How HireSapien Evaluates Candidates.

Evidence-Based Evaluation

Every score is backed by observable workspace events — file opens, nav patterns, PR quality, incident response time. No black-box judgements.

Dual AI Evaluation

Apex-Prime evaluates open-ended artifacts as the primary scorer. Spectre-Shadow runs as a shadow model. Divergence > 15 points flags sessions for human review.

12 Measured Competencies

From Requirement Understanding to Delivery Excellence. Weighted by role. Hiring recommendations from a fixed, auditable threshold — never LLM-decided.

HireSapien — Engineering Stimulation Center
Powered by Apex-Prime & Spectre-Shadow • Results stored securely • GDPR-compliant

HIRESAPIEN

© 2026 HireSapien Inc. All rights reserved.