Since 1988, Webber is at Framestore CFC, a visual effects company, active. For the film, The Dark Knight, he was nominated for the first time for an Oscar for Best Visual Effects. In 2014 he received the award together with Chris Lawrence, Dave Shirk and Neil Corbould for his work on the sci-fi film Gravity. Webber worked so far twice in each case together with the director Alfonso Cuarón and producer David Heyman.
2013 Webber was named by the British magazine Empire to the Wizard of the Year 2013.
"If we are on a single processor, rather than in a room full of computers have rendered the film, we would have to start in the year 5000 BC with the rendering. "