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Atanas Angelov

PROFILE

Atanas Angelov

Over six months, this developer contributed to Automattic’s wp-calypso and jetpack repositories by building and refining features that improved authentication, security, and product management. They implemented OAuth and OAuth2 social login flows, including PayPal integration, and enhanced security by introducing state parameter handling to reduce CSRF risk. Their work included backend and frontend development using JavaScript, TypeScript, PHP, and React, with a focus on API integration and unit testing. They also delivered new eCommerce and security plan features, improved billing clarity, and removed vulnerable endpoints, supporting safer workflows and more reliable deployments through rigorous validation and comprehensive test coverage.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

10Total
Bugs
2
Commits
10
Features
8
Lines of code
1,939
Activity Months6

Work History

July 2026

2 Commits • 2 Features

Jul 1, 2026

July 2026 monthly summary focusing on key business value and technical achievements across two repositories. Delivered new Jetpack security tiers, corrected catalog data, and reinforced integration readiness with tests and translations.

June 2026

2 Commits

Jun 1, 2026

June 2026 focused on security hardening and product eligibility validation across Jetpack and Calypso. Key outcomes: 1) Security patch removed the site content export endpoint (wpcomsh) in Jetpack, reducing risk from unintended data export. 2) Plan query product filtering and validation in Calypso ensured only known, configured products are processed, with added unit tests to verify general and site-specific behavior. These efforts reduce attack surface, improve configurability, and strengthen test coverage, supporting safer product workflows and more reliable deployments.

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 (Automattic/wp-calypso) focused on strengthening login security and user experience by implementing Secure OAuth2 Social Login State Parameter Handling. The change reduces CSRF risk in social sign-ins and aligns with OAuth2 best practices, contributing to higher trust and conversion during authentication flows. No major bugs fixed in this period for this repository. The work demonstrates focused security engineering, precise change tracing, and effective collaboration with the OAuth2 login flow.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 (Automattic/wp-calypso): Delivered a PayPal OAuth login option and integrated it with the existing social login flow. Updated the user authentication UI and login flow to support PayPal, with secure token handling and end-to-end alignment across providers. Commit reference: 12ee903a69d71e2f61f60b30d521419255b5ef84, linked to ARC-869 (#106969) for traceability. No major bugs reported this month. This work expands authentication coverage, improves user conversion for PayPal users, and strengthens security alignment across the auth stack.

November 2025

2 Commits • 2 Features

Nov 1, 2025

Monthly performance summary for 2025-11 focusing on delivering business value and technical excellence across two high-impact features in Automattic products. The month emphasized parity with WPCOM, enhanced eCommerce plan management, and improved site provisioning through spec-driven configurations.

June 2025

2 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary focusing on key accomplishments and business impact in the Automattic/wp-calypso repository. Delivered two core features with clear business value and maintained focus on simplifying user flows and improving cost transparency for customers. No major bugs fixed this period; however, improvements to code cleanliness and UI clarity reduce future maintenance risk and support a smoother user experience.

Activity

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Quality Metrics

Correctness96.0%
Maintainability94.0%
Architecture92.0%
Performance92.0%
AI Usage40.0%

Skills & Technologies

Programming Languages

JavaScriptPHPSCSSTypeScript

Technical Skills

API integrationBackend DevelopmentFront End DevelopmentFrontend DevelopmentInternationalizationJavaScriptJestOAuthOAuth2PHPReactReact QueryTesting LibraryTypeScriptUI/UX Development

Repositories Contributed To

2 repos

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

Automattic/wp-calypso

Jun 2025 Jul 2026
6 Months active

Languages Used

JavaScriptSCSSTypeScript

Technical Skills

Front End DevelopmentFrontend DevelopmentInternationalizationJavaScriptReactTypeScript

Automattic/jetpack

Nov 2025 Jul 2026
3 Months active

Languages Used

PHP

Technical Skills

WordPress developmenteCommerce integrationplugin developmentBackend DevelopmentPHPWordPress REST API