Dag Wirdenius
CEO & Founder at SiteAssist
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolDag Wirdenius is a founder and CEO with 17 years of experience building technology-driven solutions for high-risk industries, currently leading SiteAssist from London to connect on-site delivery processes with AI-powered safety and efficiency tools. He progressed through commercial and expansion roles at organizations like BuildSafe UK and Datscha before focusing full-time on construction tech entrepreneurship. Dag pairs commercial leadership with hands-on technical curiosity—evidenced by open-source work on a Just-In-Time compiler prototype where he implemented core instruction handling and low-level optimizations. He brings a pragmatic blend of sales, product and R&D experience, able to translate regulatory and safety needs into usable digital workflows for construction, nuclear and other hazardous sectors. Educated at KTH and shaped by early project management roles in Swedish real estate, he combines Scandinavian operational rigor with startup agility. Colleagues describe him as a founder who moves between boardroom strategy and code-level problem solving without losing sight of field safety outcomes.
17 years of coding experience
9 years of employment as a software developer
KTH Royal Institute of TechnologySwedish Gymnasie, Swedish Gymnasie at Sigtuna Skolan Humanistiska Läroverket
English, Swedish
Github Skills (12)
c1710
assembly10
c1110
jit10
assemble10
compile10
assembler10
x8610
system-programming9
optmization9
optimisation9
memory-management8
Programming languages (6)
Github contributions (5)
spencertipping/jit-tutorial
Mar 2017 - May 2021
How to write a very simple JIT compiler
Role in this project:
Backend Developer
Backend DeveloperContributions:21 commits, 4 PRs, 13 pushes in 4 years 2 months
Contributions summary:Dag focused on building a Just-In-Time (JIT) compiler, as evidenced by code changes and commit messages. They developed a basic JIT prototype, experimented with compilation strategies, and implemented core components, including instruction handling and register management. The user's work also involved debugging and addressing multiplication-related issues, demonstrating a focus on low-level optimization and compiler functionality.
compilerjit-compilerjit
spencertipping/markdown-unlit
Aug 2017 - Apr 2019
Contributions:4 commits, 3 pushes, 1 branch in 1 year 8 months
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