James Fennell
Software Engineer at Google
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJames Fennell is a software engineer with 11 years of experience who combines research-grade mathematical training with practical systems and backend engineering. Currently at Google, he contributes to the distributed storage engine behind AlloyDB, bringing deep experience in APIs, data pipelines, and database performance optimization. He has shipped production services in C++, Go, Java, and Python, and maintains substantial personal Rust work and long-lived projects on GitHub. Pragmatic about tooling yet enthusiastic about modern languages and engineering practices, he balances systems programming interests with a strong backend focus. Based in New York, he occasionally writes about technical topics and has a PhD-level mathematical perspective that informs his approach to reliability and algorithmic trade-offs.
11 years of coding experience
2 years of employment as a software developer
PhD, Courant Institute, Mathematics, PhD, Courant Institute, Mathematics at New York UniversityBachelor of Science (BS), Mathematics, Bachelor of Science (BS), Mathematics at University College Cork
Spanish, English
Stackoverflow
340reputation
27kreached
2answers
2questions
Github Skills (100)
nyc10
transit10
code-generator10
transit-data10
sql10
golang10
open-data10
kotlin10
sqlalchemy10
docker-compose9
database9
istanbul9
postgresql9
programming-language9
python9
Programming languages (8)
Github contributions (5)
jamespfennell/transiter
Sep 2018 - Oct 2022
Web service for transit data
Contributions:6 releases, 35 reviews, 562 commits in 4 years 2 months
transitweb-serviceopen-datatransit-data
jamespfennell/xz
Mar 2021 - Mar 2024
xz compression in Go
Contributions:78 pushes, 21 branches, 3 tags in 3 years
goxz
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