Roger Orr
Quant Developer at OR/2 Limited
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolRoger Orr is a seasoned Quant Developer and contract programmer with over three decades of hands-on experience delivering high-performance C++ and multi-language solutions for leading financial institutions. Currently at HSBC and running his own consultancy OR/2, he has a strong track record across banks and proprietary firms including G-Research, Barclays, Credit Suisse and Nomura, tackling low-latency, risk and pricing systems. He represents the UK on ISO C++ standards, chairs the BSI C++ panel and brings rare standards-level expertise to production engineering and toolchains. An Oxford mathematician, he blends rigorous mathematical thinking with pragmatic engineering to optimize memory and CPU-constrained systems. Active in the ACCU community as Publications Officer and conference committee member, he also runs code critique competitions and writes on software quality. Colleagues rely on him for deep C++ knowledge, practical refactoring of legacy systems, and steady delivery in high-stakes trading environments.
11 years of coding experience
1st, Mathematics, 1st, Mathematics at University of Oxford
Stackoverflow
151reputation
15kreached
3answers
1question
Github Skills (59)
websocket10
strace10
cpp10
user-agent9
assembly9
ldap9
ftps9
ftp9
libcurl9
encoder-decoder9
windows9
http9
pop39
curl9
scp9
Programming languages (10)
Github contributions (5)
rogerorr/draft
Aug 2019 - Aug 2025
C++ standards drafts
Contributions:3 PRs, 9 pushes, 18 branches in 6 years 1 month
cppc-plus-plusstandardsdrafts
rogerorr/articles
Dec 2020 - Oct 2022
Contributions:33 commits, 42 pushes, 3 branches in 1 year 10 months
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