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Product Software Engineer Back End PHP - Interzero CSG GmbH
Software Engineer
Back‑end PHP engineer building scalable product services, designing APIs, and maintaining database layers. Strong focus on clean architecture, performance, and collaboration with cross‑functional teams.
About the role
Key Responsibilities
- Design, develop, and maintain high‑performance PHP back‑end services for product features.
- Implement RESTful APIs, ensuring secure, scalable, and well‑documented endpoints.
- Collaborate with front‑end and product teams to translate requirements into robust code.
- Optimize database schemas and queries in MySQL for speed and reliability.
- Write unit and integration tests, perform code reviews, and enforce coding standards.
- Participate in continuous integration and deployment pipelines, using Git and Composer.
Requirements
- 3+ years of professional PHP development experience.
- Strong grasp of OOP, MVC frameworks (Laravel, Symfony, or similar).
- Proficiency with MySQL, query optimization, and database design.
- Experience building and consuming REST APIs.
- Solid understanding of version control (Git) and CI/CD practices.