James Sedgwick
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolJames Sedgwick is a Principal Systems Software Engineer with 11 years of experience building high-performance infrastructure and distributed systems across companies from Facebook and Lyft to Google and startups. He has deep expertise in C++, networking, storage and deployment tooling—authored async C++ libraries at Facebook, contributed to Envoy integration at Lyft, and worked on storage infrastructure at Google. Currently leading systems work at LastMile AI after founding product-focused engineering at Flora Systems, he blends low-level performance engineering with pragmatic production delivery. Known for improving developer productivity and operational parity, he pairs on-call experience with open engineering practices and a track record of shipping critical backend services. Based in New York, he also ties academic roots from Brown into applied systems work, bringing an unusual combination of library design and shipping large-scale services.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at Brown University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (23)
monitoring10
python10
linux10
proxy10
networking10
bpf10
ai10
cloud-native10
modular9
llm9
server9
client-server9
cpp8
rest8
linter8
Programming languages (6)
Github contributions (5)
jsedgwick/envoy
Feb 2018 - Aug 2018
C++ front/service proxy
Contributions:40 pushes, 30 branches, 2 comments in 5 months
cppservice-proxyproxy
jsedgwick/mcp-agent
Jul 2025 - Jul 2025
Build effective agents using Model Context Protocol and simple workflow patterns
Contributions:17 PRs, 16 pushes, 8 branches in 2 days
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.