Alberto Leal
Senior Software Engineer at Sentry (sentry.io)
Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolAlberto Leal is a Senior Software Engineer in Toronto with 13 years of experience building full-stack products and shipping production-grade monitoring and performance features. Currently at Sentry, he works on cross-functional teams improving application and performance monitoring used by millions, and has contributed backend fixes and frontend web-vitals instrumentation to Sentry’s widely adopted open-source SDKs. He has a strong background in JavaScript and backend services from roles at RBC Ventures and Serind Labs, where he built HIPAA-compliant and customer-facing applications that handled real-world financial and operational constraints. Alberto combines pragmatic engineering—bug fixes, refactors, database tuning—with product-minded performance work, and his portfolio demonstrates both accessibility-focused iOS work and static-site tooling contributions. He balances deep technical fluency in Django, Node.js, React, and monitoring systems with a practical focus on shipping measurable user- and business-facing outcomes.
13 years of coding experience
4 years of employment as a software developer
Honours Bachelor of Science, Computer Science, Honours Bachelor of Science, Computer Science at University of Toronto
Stackoverflow
520reputation
65kreached
4answers
7questions
Github Skills (38)
asynchronous10
monitoring10
javascript10
lib10
event-handling10
tracer10
coffeescript10
python10
async10
django10
testing10
refactor10
regular-expression10
browser-api10
sdk10
Programming languages (27)
Github contributions (5)
getsentry/sentry
Jun 2019 - Jan 2023
Developer-first error tracking and performance monitoring
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2814 reviews, 865 commits, 2135 PRs in 3 years 8 months
Contributions summary:Alberto primarily contributed to the back-end codebase, with a focus on fixing bugs, refactoring code, and improving database interactions within the Sentry project. Their commits involved addressing issues in serializers, fixing unreachable code, refactoring to use math.isnan, and resolving various code-related warnings. These contributions demonstrate a solid understanding of the Django framework and the project's internal architecture.
monitorpythonsentrydjangoerror-monitoring
getsentry/sentry-javascript
Aug 2020 - Jul 2022
Official Sentry SDKs for JavaScript
Role in this project:Front-end Developer & Performance Engineer
Front-end Developer & Performance EngineerContributions:45 reviews, 17 commits, 28 PRs in 1 year 10 months
Contributions summary:Alberto primarily contributed to performance improvements and web vitals tracking within the Sentry JavaScript SDK. They implemented support for various web vitals, including LCP, FID, CLS, and TTFB, to provide better insights into user experience. They also added browser navigator information capturing, improving the monitoring capabilities of the SDK. Furthermore, they fixed bugs and adjusted existing web vital measurements to provide more accurate and informative data.
sentryerror-monitoringravenvuegreenhouse
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