Steve O'brien
Software Engineer at Blacksmith
New York City Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolSteve O'brien is a seasoned software engineer with 14 years of experience building high-throughput, resilient backend systems for companies ranging from Facebook and Bloomberg to Dataminr and Gilt. He specializes in large-scale distributed systems, data pipelines, and performance-driven rearchitectures that reduce operational cost and improve latency. Steve has led major infrastructure migrations and designed scalable APIs and services for mobile and web platforms, with hands-on experience in on-call operations and post-mortems. Currently based in the New York City area, he continues to ship production-grade software at Blacksmith after senior roles at Dataminr and brief principal engineering stints. Notably pragmatic, he combines deep systems-level knowledge with a product-focused approach—often refactoring and modernizing legacy toolchains to unlock measurable efficiency gains. He holds an M.S. in Computer Science from NYU and a B.S. from Seton Hall University.
14 years of coding experience
17 years of employment as a software developer
M.S. Computer Science, M.S. Computer Science at New York UniversityB.S. Computer Science, B.S. Computer Science at Seton Hall University
spanish (medium), japanese (weak)
Github Skills (18)
llvm10
toolchain10
compiler10
java9
persistent7
indexing6
concurrent6
logging5
static-analyzer4
cpp3
key-value-store3
reflection3
objective-c3
csharp3
graphic2
Programming languages (5)
Github contributions (5)
elsteveogrande/osx-nbd
Mar 2012 - Jul 2022
Contributions:27 commits, 2 pushes, 3 branches in 10 years 6 months
elsteveogrande/cxx-libs
Apr 2024 - Aug 2025
Contributions:43 pushes, 1 branch in 1 year 3 months
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