Leonardo Lazzaro
Back End Developer at FareHarbor
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolLeonardo Lazzaro is a seasoned back-end developer with 13 years of experience building reliable Python services across startups and scale-ups, currently focused at FareHarbor in Amsterdam. He has a strong track record in backend systems, API clients and scheduler/agent tooling, contributing to notable open-source projects like Faraday (vulnerability management) and simple-salesforce. Leonardo pairs hands-on feature work and bug fixes with test automation and code quality improvements, having introduced testing suites and PEP8-driven refinements. Comfortable in fast-moving product teams, he has repeatedly worked on authentication, migrations, and data-filtering edge cases that improve operational robustness. Trained in Computer Science at the University of Buenos Aires, he brings both practical security-adjacent experience and a curiosity for probabilistic thinking—“always fooled by randomness”—to engineering tradeoffs.
13 years of coding experience
16 years of employment as a software developer
Lic. Computer science Computers, Lic. Computer science Computers at University of Buenos Aires
Spanish, English
Github Skills (17)
unit-testing10
salesforce-api10
python10
django10
api-client10
testing10
pandas10
http-request10
test-automation10
postgresql9
analyse9
sqlalchemy9
rest-api8
flask-ask7
flask7
Programming languages (12)
Github contributions (5)
llazzaro/django-scheduler
Apr 2013 - Jan 2023
A calendaring app for Django.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:458 commits, 209 PRs, 305 pushes in 9 years 10 months
Contributions summary:Leonardo primarily contributed to the back-end functionality of the Django-based calendaring app. Their commits focused on using `AUTH_USER_MODEL`, removing unused imports, and migrating generic views, suggesting work on the user authentication and view structures. Furthermore, they made minor bug fixes and added tests.
pythoncalendardjangocalendaringevent-calendar
infobyte/faraday
Apr 2017 - Oct 2020
Open Source Vulnerability Management Platform
Role in this project:Back-end Developer
Back-end DeveloperContributions:13 releases, 1979 commits, 10 PRs in 3 years 6 months
Contributions summary:Leonardo's commits primarily involve implementing new features and addressing bugs within the Faraday platform's credential and agent management functionalities. They added a new "credentials" button to the modal and modified several files related to the creation of credentials that have no hosts or services assigned. Furthermore, the user's commits included changes in migrations, addition of agent schedule models and also they fixed a bug on a bug with search by hostname in the filter endpoint.
vulnerability-managementbugbountycvecollaborationvulnerability-scanners
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