Maira Bello
Lead Software Engineer at Ledn
Pernambuco, Brazil
Summary
🤩
Rockstar🎓
Top SchoolMaira Bello is a Lead Software Engineer with 12 years of experience building and leading web platform teams from Recife, Brazil. She combines hands-on frontend expertise—working on UI frameworks like AlloyUI and SPA engine Senna.js—with backend skills in GraphQL, Express and MongoDB, having led rewrites and migrations to modern stacks such as React and Next.js. As a tech lead at companies like VTEX, Liferay and Ledn she drives architecture, mentors engineers, and built infra like a feature-flag system and an auto-generated GraphQL service used in production. Her open-source contributions span performance and UX improvements (including responsive image viewers and swipe carousels) and computer-vision demos, reflecting a practical focus on developer experience and cross-team reliability. Notably, she has repeatedly delivered large migrations off legacy frameworks while remaining a frequent individual contributor.
12 years of coding experience
13 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Universidade Federal de Pernambuco
English, Portuguese
Stackoverflow
31reputation
1kreached
3answers
0questions
Github Skills (34)
algorithms10
javascript10
expressjs10
bootstrap10
sinon10
testing10
css10
responsive-design10
apollo-server10
ui-design10
wpgraphql10
mongodb-database10
alloy10
uid10
front-end-development10
Programming languages (8)
Github contributions (5)
liferay/alloy-ui
Mar 2014 - Oct 2016
AlloyUI is a framework built on top of YUI3 (JavaScript) that uses Bootstrap 3 (HTML/CSS) to provide a simple API for building high scalable applications
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 releases, 486 commits, 1 PR in 2 years 6 months
Contributions summary:Maira primarily focused on enhancing the AlloyUI framework's UI components. Their contributions involved fixing bugs in the datepicker and form builder components, which were related to visual issues and data handling with Bootstrap 3. Furthermore, they implemented a complete rewrite of the image viewer component, incorporating responsiveness and a new feature for a carousel with swipe functionality. They also improved the performance of the scheduler, creating various improvements for visual representation.
apiscalablebootstrap-3cssjavascript
liferay/senna.js
Sep 2014 - Dec 2016
:seedling: A blazing-fast Single Page Application engine
Role in this project:Front-end Developer
Front-end DeveloperContributions:42 commits, 16 PRs, 18 pushes in 2 years 3 months
Contributions summary:Maira primarily focused on improving the functionality and stability of the Senna.js engine. Their contributions include fixing reload bugs, updating imports to a new format, and fixing tests to address issues with browser compatibility. The user also made changes to support URL parameters and implemented fixes for repositioning scroll for hash anchors. Furthermore, the user also worked on build and test configurations, as well as refactoring and renaming files.
blazingapplication-engineseedlingsingle-page-applicationblazing-fast
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