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Sebastian Barbosa

PROFILE

Sebastian Barbosa

Over eight months, contributed to Automattic/wp-calypso and Automattic/jetpack by building and refining features for Blaze Dashboard and campaign management. Focused on robust UI development and backend reliability, implemented version gating, feature toggling, and environment-aware configuration to ensure compatibility and secure credential handling. Enhanced campaign analytics and spend reporting, improved moderation workflows, and delivered bug fixes addressing display and eligibility issues. Used JavaScript, TypeScript, PHP, and React to deliver end-to-end solutions, including REST API endpoints and OAuth onboarding improvements. Emphasized maintainability through code quality fixes, expanded unit testing, and configuration management, supporting both user experience and developer efficiency.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

15Total
Bugs
4
Commits
15
Features
8
Lines of code
2,611
Activity Months8

Work History

June 2026

1 Commits • 1 Features

Jun 1, 2026

June 2026 monthly summary for Automattic/wp-calypso: Delivered an environment-aware enhancement to Blaze Dashboard by reading a Stripe publishable key from configuration data, allowing host-provided keys to override the default production key in testing environments. This change reduces hardcoding of sensitive credentials, improves host provisioning, and tightens environment parity between development and production. The update is implemented in the Blaze Dashboard feature 'Blaze Dashboard: Support host-provided Stripe publishable key via configuration' (commit c21d8454619cd9095657b318283dcbe467e918cb). In production, if no host key is provided, the bundled live key remains in effect.

February 2026

3 Commits • 1 Features

Feb 1, 2026

February 2026: Delivered OAuth Onboarding Return URL Customization enabling filtering of return URLs for Google OAuth and Jetpack Connect, and completed lint fixes in AccountController.php to improve coding standards. These efforts reduce integration friction, boost security, and strengthen maintainability across the authentication flows.

January 2026

4 Commits • 2 Features

Jan 1, 2026

Month: 2026-01 — Focused effort on performance, reliability, and testing for Blaze integration within Automattic/jetpack. Delivered local handling for Blaze post-promotion endpoints to reduce reliance on Jetpack Sync and accelerate responses, and expanded testing to solidify robustness of Blaze-related controllers. These changes enhance user experience during promotions, shorten data access latency, and improve developer confidence through stronger test coverage and verifiable outcomes.

August 2025

1 Commits

Aug 1, 2025

Month: 2025-08 — Delivered a critical bug fix in Automattic/wp-calypso to ensure correct version checks for the Promote Post feature. Corrected the version comparison in the useJetpackBlazeVersionCheck hook so Blaze Ads minimum version is not misused for Jetpack version checks, resolving the promotion eligibility error. Commit b5a8bad173c1f46edf981d23e3cc958e360a9dd1 tied to issue #105163.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 performance summary for Automattic/wp-calypso. Delivered a focused feature enhancement to campaign spend calculation and display on the Promote Post page, improved spend data modeling, fixed a critical display bug, and strengthened reporting accuracy. Highlights include refactoring to introduce explicit spend types (weekly and total) for evergreen campaigns, resulting in more reliable financial visuals and decision-ready metrics. The work supports marketing optimization, budgeting accuracy, and better trust in the reporting UI.

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025 monthly performance summary focused on delivering Blaze-related UI reliability and feature-gating across two core Automattic repos (wp-calypso and jetpack). Delivered precise UI fixes, robust feature gating, and improved initialization robustness to ensure Blaze-related UI behaves correctly across scenarios, driving a smoother user experience and clearer governance over Blaze features.

February 2025

2 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary for Automattic/wp-calypso: Delivered two Blaze campaign details enhancements to simplify UX and improve marketing analytics. Removed unnecessary Objective section and added a Social Engagement section to surface post views, replies, likes, and a link to the original Tumblr post for promoted campaigns. These changes were implemented end-to-end and align with moderation workflows and analytics needs.

December 2024

1 Commits

Dec 1, 2024

December 2024: Focused on backward compatibility improvements for Blaze Dashboard in Automattic/wp-calypso to ensure stable analytics display across Jetpack versions. Implemented version gating to show campaign statistics only when minimum requirements are met, preventing errors on older environments.

Activity

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Quality Metrics

Correctness92.0%
Maintainability88.0%
Architecture86.6%
Performance89.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaScriptPHPSCSSTypeScript

Technical Skills

API developmentAPI integrationBackend DevelopmentCSSCSS PreprocessingFront End DevelopmentFrontend DevelopmentJavaScriptOAuthPHPPlugin DevelopmentREST APIREST API developmentReactState Management

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

Automattic/wp-calypso

Dec 2024 Jun 2026
6 Months active

Languages Used

JavaScriptSCSSTypeScript

Technical Skills

CSS PreprocessingFrontend DevelopmentReactState ManagementVersion ControlFront End Development

Automattic/jetpack

Apr 2025 Jan 2026
2 Months active

Languages Used

PHP

Technical Skills

Backend DevelopmentPlugin DevelopmentWordPress DevelopmentAPI developmentPHPREST API

woocommerce/google-listings-and-ads

Feb 2026 Feb 2026
1 Month active

Languages Used

PHP

Technical Skills

API integrationOAuthPHPWordPress developmentback end developmentbackend development