Summary
William Danielsson is an experienced technology leader and hands-on CTO with 12 years of building scalable web products from Stockholm, Sweden. He’s progressed from vanilla JavaScript and jQuery to championing React and Node, leading teams at enterprises like H&M, SAS and startups including Cheque and Toptracer. As a founder and consultant he repeatedly combines product intuition with pragmatic engineering, helping early-stage companies design architectures that ship fast and iterate securely. He excels at rallying teams—making work productive and enjoyable—while mentoring engineers and advising founders on strategy and tooling. Comfortable switching between coding, technical strategy and people leadership, he has a track record of building internal platforms and customer-facing frontends across diverse industries. Colleagues describe him as energetic and team-focused, with a knack for turning complex requirements into simple, reliable solutions.
12 years of coding experience
11 years of employment as a software developer
Natur/Natur, Natur/Natur at Katedralskolan Linköping
Civilingenjör inom informationsteknologi, Civilingenjör inom informationsteknologi at Linköping University
English, French, Swedish