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Dev tools · January 12, 2026

Cortex

Think Like a Staff Engineer.

Cortex launched on January 12, 2026 with 1 votes.

What it does

AI-powered training platform for engineers to develop critical thinking, system design, and architectural skills.

Practice high-stakes architectural decisions in a risk-free environment. Build the judgment that defines senior engineering roles. Every feature is designed to mirror the complexity and pressure of production systems. No toy problems, no shortcuts. Practice with scenarios based on actual production incidents. From cascading failures to consensus algorithms, experience the decisions that define senior engineers. Get instant, detailed analysis of your architectural decisions. Learn from mistakes in real-time, not in production. Define your career path and target specific engineering levels (L4 to L7+). Every decision you make contributes to your Architectural Index (AIX™). A structured…from usecortex.in

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