Dan Haller
Senior Principal Engineer at Condé Nast
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolDan Haller is a Senior Principal Engineer based in London with 12 years of experience leading full‑stack teams and delivering sustainable, data‑driven products at scale. He has a track record at Condé Nast of founding and scaling specialist teams—consolidating 60+ sites serving half a billion monthly users and building a server‑side experimentation platform to drive commercial optimisation. Comfortable across the stack (Node.js, React, GraphQL, AWS, Terraform, Kubernetes) he blends hands‑on engineering with developer experience and platform thinking to improve velocity and reliability. Known for promoting measurement and experimentation, he marries product‑centric decision making with infrastructure‑as‑code practices. Outside work he shares a public GitHub and an active Goodreads profile, hinting at a curious, intellectually engaged approach to craft and continuous learning.
12 years of coding experience
14 years of employment as a software developer
First Class BSc Hons Business Information Technology, First Class BSc Hons Business Information Technology at Bournemouth University
Stackoverflow
3,249reputation
244kreached
64answers
34questions
angularjs
top-5%
Github Skills (111)
slack-bot10
knn10
permission9
acl9
websocket-client9
recommender9
image-processing9
websocket9
apng9
webp9
image9
tiff9
resize9
least-privilege9
png9
Programming languages (5)
Github contributions (5)
danhaller/dotfiles
Jan 2015 - Aug 2024
Contributions:34 pushes in 9 years 9 months
danhaller/fragrance
May 2016 - Mar 2017
Contributions:8 pushes, 1 branch in 10 months
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