[1] In 1992, Wainwright sold Apple Computer his structural framework for an object based, language and virtual machine operating system called Objects in C. He became the lead architect for ScriptX, a language and media player developed by Kaleida Labs.

After Kaleida Labs closed its doors in 1996, Wainwright went on to serve as the principal architect of MaxScript, the scripting language of Autodesk 3ds Max.

[2] This language has been used in game development as a part of the Maxis Sims animation processing pipeline.

[4] As of 2015[update] Wainwright is the Vice President of Engineering at Kollective Technology Inc. (previously known as Kontiki Inc.), a company he co-founded in 2001.

In 2020, he co-founded Mirinae, Inc in South Korea and developed a Korean language learning cloud service (mirinae.io).