Jonathan Hennessy-doyle
Senior Software Engineer at Rippling
London, England, Other
Summary
👤
Senior🎓
Top SchoolJonathan Hennessy-doyle is a senior software engineer based in London with 12 years of experience building high-performance systems across cloud, payments, and low-latency finance. He has shipped platform features at scale—for example adding Docker image support to AWS Lambda—and helped drive adoption of SEPA and Bacs debit payments at Stripe. Prior roles include engineering work on kdb+ feedhandlers for FX/EQ markets, performance-sensitive teams at Intel, and product-focused backend work at Rippling. Comfortable across C++, systems-level services, and cloud-native architectures, he blends hardware verification instincts with software craftsmanship. He holds a Computer Science degree and a postgraduate certificate in Statistics from Trinity College Dublin, which informs his pragmatic, data-aware approach to problem solving.
12 years of coding experience
7 years of employment as a software developer
Postgraduate Certificate in Statistics, Postgraduate Certificate in Statistics at Trinity College Dublin
Github Skills (2)
linux2
macos1
Programming languages (2)
Github contributions (5)
jhd/scala-rust-haskell-clojure-sicp
Jan 2019 - Dec 2024
SICP Exercises
Contributions:1 PR, 10 pushes, 2 branches in 6 years
jhd/Sentiment-Analysis-in-Financial-Markets
Sep 2015 - Jul 2016
Contributions:7 pushes, 2 branches in 10 months
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