Leonardo Esparis
Backend Engineer at Fever
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolLeonardo Esparis is a backend engineer based in Madrid with 11 years of hands-on experience building payment flows, CRMs, and integrations for consumer and enterprise products. He has a track record of shipping backend services with Python, Django, DRF and Celery, and has bridged frontend responsibilities using Vue and full-stack work at Accenture building PISP-enabled checkout flows. At Fever he focuses on checkout and payment method integrations to create frictionless event purchase experiences, while also owning maintenance and incident fixes. As a self-taught developer who started in embedded and payments projects (mobile and desktop) he brings practical experience connecting devices and payment hardware to robust backend systems. Comfortable in both startup and consulting environments, he combines product-minded thinking with an operator’s focus on reliability and iteration. Fluent in turning ambiguous requirements into production-ready APIs, he thrives on improving user-facing checkout journeys and backend resilience.
11 years of coding experience
5 years of employment as a software developer
universidad alejandro humboltd
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (178)
notebook10
parser10
reverse-proxy10
python10
echo10
health-check10
http10
ipython10
websocket10
tengine10
security10
lua10
http-client10
go-web-framework10
linter10
Programming languages (13)
Github contributions (5)
ljesparis/govm
Mar 2020 - Apr 2020
Contributions:2 releases, 76 commits, 66 pushes in 27 days
ljesparis/ljesparis.github.io
Aug 2022 - Jun 2026
Contributions:20 PRs, 75 pushes, 28 branches in 3 years 11 months
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.