Julian Espinel
United States
Summary
👤
Senior🎓
Top SchoolJulian Espinel is a seasoned backend-focused software engineer with 12 years of experience building and scaling distributed systems across fintech, communications, and e-commerce. He has progressed from hands-on engineering to technical leadership—leading a 23-person platform team at Masiv and now contributing to Square—while routinely improving throughput (examples include 16x and 18x capacity gains) and reducing operational toil. His toolbox spans Java, Go, Python, Kafka, Terraform and cloud-native patterns, and he has experience creating custom Terraform providers and rate-limiting/accounting systems in production. Julian pairs mentorship and architecture guidance with a practical emphasis on testing and deployability, having trained product owners and recruiters to bridge technical communication gaps. He brings a track record of turning performance bottlenecks into robust, maintainable services and a curiosity for cross-language solutions that optimize cost and reliability.
12 years of coding experience
12 years of employment as a software developer
Master's degree Financial Innovation and Technology, Master's degree Financial Innovation and Technology at Queen's UniversityUniversidad de los Andes
English, Spanish
Stackoverflow
3,082reputation
864kreached
35answers
1question
openssl
top-5%
docker
top-5%
Github Skills (82)
keyboard10
compiler10
rust10
stock10
karabiner10
visualization10
rust-lang9
docker-compose9
dotnet9
metabase9
clojure9
database9
data-visualization9
postgresql9
dashboard9
Programming languages (13)
Github contributions (5)
granpanda/autheo
Apr 2014 - Jan 2016
Contributions:3 releases, 48 commits, 16 pushes in 1 year 9 months
julianespinel/training
Dec 2015 - Sep 2022
Programming problems
Contributions:112 PRs, 144 pushes, 113 branches in 6 years 9 months
data-structuresproblemscompetitive-programming
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