This a Full Remote job, the offer is available from: Anywhere, EMEA, Europe, European Union, Germany

Summary

As a PHP Backend Engineer at LUMASERV, you'll play a key role in developing and maintaining customer projects that serve millions of users daily. You will publicly contribute to large open source products that we’re working with and you'll work closely with our product managers, developers, and architects to build robust, scalable backend solutions using modern PHP frameworks, particularly Laravel. If you appreciate clean code, domain-driven design, and the elegance that Laravel brings to application development, this position offers you the opportunity to shape the technical direction of projects while writing high-quality code every day. Description

• You have first experience with open source products including Nextcloud or Laravel
• You're experienced in using Git and contributing to public repositories
• You design and develop REST APIs (sometimes GraphQL) using domain-driven design that integrate seamlessly with frontend applications and external systems
• You will contribute ideas and concepts for new features to bring open source products to their next level
• You perform regular code reviews and help establish best practices within the team
• You monitor application performance and gain insights using state-of-the-art APM tools (application performance monitoring)
• You challenge and improve coding standards with your colleagues
• You work with scalable databases (MySQL, MariaDB, Redis) to design efficient data models and queries
• You have experience with Doctrine/DBAL
• You participate in technical planning sessions and contribute to architectural decisions with your team

Qualifications

• Extensive professional experience in PHP backend development on enterprise level
• Experience with schema design and and software modelling
• Advanced experience with Git and Git flows
• Proficiency in writing automated tests (PHPUnit, Pest)
• Experience with project management tools (e.g. Linear or Notion)
• Strong understanding of web security principles and common vulnerabilities
• Strong experience with local development setups based on Docker
• Fluent German with strong business and negotiation skills, both written and spoken.

Desired qualifications

• Experience with domain-driven design and software architecture
• Experience with asynchronous processing
• Contributions to open-source projects or active participation in the developer community
• Familiar with application performance monitoring

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