Jim Cresswell
Principal Engineer at Oak National Academy
Cardiff, Wales, United Kingdom
Summary
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Senior🎓
Top SchoolJim Cresswell is a Principal Engineer with 13 years of experience building web and cloud-native systems, currently leading app development, cloud infrastructure, and developer experience at Oak National Academy. His career blends hands-on engineering with strategy, from founding a digital consultancy to directing DevOps, QA and CI/CD improvements for fast-moving edtech and healthcare teams. Technically fluent across React, Next, GraphQL, Node and automated testing pipelines, he excels at turning emergency-response projects into sustainable platforms. A former PhD researcher in astrophysics, he brings a data-driven, analytical approach to architecture and quality, and a history of creating pragmatic test automation tooling. He balances leadership and execution—mentoring teams while still shipping code—and runs an ongoing personal “tech for good” research project. Based in Cardiff, he is known for delivering reliable, auditable delivery practices under tight timelines.
13 years of coding experience
17 years of employment as a software developer
Doctor of Philosophy (PhD) Astrophysics and Cosmology, Doctor of Philosophy (PhD) Astrophysics and Cosmology at Institute of Cosmology and Gravitation, University of PortsmouthMaster of Science (M.Sc.) Cosmology, Master of Science (M.Sc.) Cosmology at University of SussexMaster of Physics (M.Phys.) Physics, Master of Physics (M.Phys.) Physics at University of Bath
Stackoverflow
164reputation
77kreached
8answers
0questions
Github Skills (129)
hybrid10
javascript10
browser10
lru10
cache-storage10
compiler10
adobe-xd10
static-site-generator10
typescript10
svgo10
mustache10
data-uri10
nextjs10
twine10
react10
Programming languages (5)
Github contributions (5)
oss-specs/specs
Jun 2015 - Dec 2015
Contributions:3 releases, 728 commits, 150 PRs in 5 months
specificationversion-controlweb-ui
jimCresswell/world-bank-graphing-demo
Nov 2014 - Dec 2014
Contributions:199 commits in 21 days
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