PHP Developer

TL;DR

PHP Developer (Fullstack): Developing and supporting an enterprise collaboration platform based on Mailcow and SOGo with an accent on legacy code maintenance, AngularJS 1.x refactoring, and integration of mail/calendar protocols. Focus on building new features, performance optimization, and managing custom modifications for a high-load mail and scheduling system.

Location: Remote, Moscow time zone alignment required

Company

hirify.global is a technology company developing comprehensive IaaS and PaaS solutions for diverse business categories.

What you will do

• Develop new features for SOGo calendar and resource management systems.
• Maintain and refactor legacy AngularJS 1.x codebases.
• Optimize performance for both backend and frontend components.
• Fix bugs and address technical debt in an enterprise collaboration platform.
• Integrate core components including mail, calendar, and contacts.
• Develop APIs for external system migrations and integrations.

Requirements

• Must be available in the Moscow time zone.
• 5+ years of commercial development experience.
• Strong background in supporting and developing legacy systems.
• Experience launching production systems with 500+ users.
• Proven ability working with Docker and containerization in production.
• Deep knowledge of PHP (OOP, patterns, PSR) and MySQL/MariaDB.

Nice to have

• Experience with MailCow, SOGo, or other CalDAV/CardDAV servers.
• Knowledge of CalDAV, CardDAV, and iCalendar protocols.
• Understanding of enterprise collaboration systems.
• Experience with GitLab CI/CD.

Culture & Benefits

• Remote-first work environment.
• Opportunity to work on complex enterprise-level open-source integration projects.
• Focused, individual contributor role within the project.
• Flexible part-time commitment of 2 hours per day.