About Big O Academy

Big O Academy was born from real-world observations and experiences in the tech industry. As a hiring manager, I repeatedly witnessed talented engineers struggle with time complexity concepts during interviews. The turning point came when many of my coworkers got laid off and shared that they struggled with algorithmic efficiency during interviews.

Mission

Make time complexity analysis and Big O notation accessible and practical for every software engineer, helping them write more efficient code and succeed in their career.

Structured Learning

Clear, focused lessons that build your understanding of time complexity from fundamentals to advanced concepts.

Real-World Practice

Practice problems drawn from actual technical interviews, with detailed explanations of time complexity analysis.

Interview Preparation

Focused preparation materials that help you confidently discuss algorithmic efficiency in technical interviews.