Henry Koleoso
Staff Site Reliability Engineer at Visa
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolHenry Koleoso is a Staff Site Reliability Engineer based in London with eight years’ experience building and operating cloud-native SaaS platforms for financial services, currently continuing that work at Visa. He has progressed from test automation and junior Scala development into senior SRE roles supporting high-throughput microservices and fraud-prevention systems, bringing hands-on expertise in cloud deployments, canary/blue-green releases, and on-call operational discipline. Henry blends a strong engineering mindset—rooted in a First Class Computer Games Design degree—with pragmatic DevOps practices, continuous delivery, and a test-first philosophy. Notably, he has deep domain experience running Featurespace’s and Visa’s fraud prevention SaaS at scale, making reliability improvements that directly impact transactional risk systems.
8 years of coding experience
4 years of employment as a software developer
Bachelor of Science Computer Games Design - First Class Honors, Bachelor of Science Computer Games Design - First Class Honors at University of Gloucestershire
Github Skills (13)
discord-bot10
discord9
discord-py9
ssh8
python8
slash-commands5
api3
nextcord3
bug-reporting3
utility2
disnake2
automation1
ecosystem1
Programming languages (7)
Github contributions (5)
HenrySpartGlobal/punk_api_test
Oct 2017 - Oct 2022
Testing an API
Contributions:2 PRs, 8 pushes, 2 branches in 5 years
testingapi
HenrySpartGlobal/baby-yoda
Jul 2022 - Oct 2022
Baby Yoda Discord
Contributions:3 releases, 99 PRs, 120 pushes in 2 months
discordbaby-yodadiscord-botbabyyoda
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