Juan Lledo

Backend Engineer at 31st Union

Valencia, Valencian Community, Spain
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Summary

👤
Senior
🎓
Top School
Juan Lledo is a backend engineer with a decade of experience building performant APIs and systems, currently contributing at 31st Union from Valencia, Spain. Rooted in C# and C++ but identifying first as a software engineer, he has a track record of shipping scalable ASP.NET services, slashing SQL query runtimes, and raising customer satisfaction through pragmatic delivery and DevOps improvements. He also brings systems-level game development experience in C++ and CI tooling, which informs a strong emphasis on performance and testing. Recently captivated by Rust and Docker, he blends curiosity for emerging tooling with production-hardened practices. Juan is motivated by prosocial impact—particularly in sectors like Energy—and offers hands-on help to teams looking to turn complex domains into reliable, efficient software.
code10 years of coding experience
job4 years of employment as a software developer
bookBachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at The University of Manchester
languagesSpanish, Catalan, English, French, Japanese
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Github Skills (31)

package-manager8
macos8
command-line-tool8
cli8
homebrew8
administration8
linux8
ruby8
binaries7
swiftui7
power-management6
swift5
backup5
throttling5
monitor5

Programming languages (4)

RustJavaScriptSwiftRuby

Github contributions (5)

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jlledo/boat

Dec 2019 - Sep 2020

Contributions:43 commits, 11 pushes, 2 branches in 9 months
jlledo/hs-batcher

Dec 2017 - Mar 2020

WebExtension to create naive batch downloads before official HorribleSubs batches exist.
Contributions:2 releases, 4 PRs, 9 pushes in 2 years 3 months
firefoxbatchbatch-processingwebextensiondeduplication
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Juan Lledo - Backend Engineer at 31st Union