About Joe Hewitt
Born 1978. Joe Hewitt is an American engineer, known for Firebug (software) and IUI (software).
Joe Hewitt (born 1978) is an American software programmer who is best known for his work on the Firefox web browser and related software development tools like Firebug and DOM Inspector.
Education His first project took place while still attending Hopatcong High School.
Career Hewitt created the website Feff World with Douglas Palermo.
From 2000 to 2003, he worked on UI programming at Netscape. Subsequently, he worked on AOL's Boxely UI project, which renders software such as AIM Triton and AOL Explorer. In July 2007, Hewitt led the release of the iUI user interface library which greatly simplified Safari development for Apple's iPhone.
He has been working on Parakey with Blake Ross. Parakey was acquired by Facebook in July 2007.
In August 2007, he wrote the iPhone-specific version of Facebook. He was responsible for creating Facebook’s iPhone app, In January 2009, he released the open-source library for iPhone developers Three20.
In 2011, Hewitt left Facebook.
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Important facts
People in Joe Hewitt's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Joe Hewitt's
Frequently asked questions
Who is Joe Hewitt?
American software programmer
When was Joe Hewitt born?
Joe Hewitt was born in 1978 in Hopatcong.
What is Joe Hewitt's occupation?
Joe Hewitt is an engineer.
What is Joe Hewitt known for?
Joe Hewitt is known for Firebug (software) and IUI (software).
What nationality is Joe Hewitt?
Joe Hewitt is American.
Sources & further reading
· DBpedia: Joe Hewitt (programmer)
Cite this page
APA: Biography.guide. (2026). Joe Hewitt. https://biography.guide/joe-hewitt-engineer/
MLA: "Joe Hewitt." Biography.guide, https://biography.guide/joe-hewitt-engineer/.
Chicago: "Joe Hewitt." Biography.guide. https://biography.guide/joe-hewitt-engineer/.
Data last updated: 2026-09-23 · Spot an error? Report a correction.
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