Undefined Behavior is a software consultancy that specializes in getting things shipped. Fast.

With dozens of shipped products to millions of end users over the last decade, we have experience in systems engineering, distributed systems and game platform development. We are here to help you hit your technical and performance targets.

While we specialize in last minute fixes ensuring you meet your deadlines, we are also happy to help earlier in your product cycle ensuring you stay ahead of the curve!

What can we do for you?

Performance Optimization - We are obsessed with getting the most out of hardware. From powerful PCs to the smallest embedded devices, we can help you hit your targets.

Technical Certification Requirements - Need help meeting strict requirements for releasing on closed platforms?

Find and Fix Subtle Bugs - With years of experience debugging OS and platform issues, we can find the peskiest of issues quickly and fix them efficiently.

General Software Engineering Work - Need extra hands to implement tough features? We can help!


We are tech stack agnostic, and have experience with many popular workflows.

Programming Languages - C, C++, Rust, C#, Java, Go, Typescript, JavaScript, Python

Game Development - Unity, Unreal, Godot, as well as many custom engines.

Multimedia Development - Extensive experience with hardware accelerated multimedia recording and playback. As well as streaming, VoIP and more!

Embedded/Wearables - Porting algorithms designed on PCs to embedded devices is an increasing demand. Count on our expertise to help land this smoothly.

Contact Us

The best way to reach out is to send us an email at: contact@undefinedbehavior.dev