PHP Developer

full-time, Amsterdam, Technology, IT/Software Development

Your mission

We are looking for a PHP Developer to strengthen our team in Amsterdam, The Netherlands, and work with other team members in Kuala Lumpur, Malaysia.

  • Design, develop, and maintain our card payment and mobile wallet infrastructure, including full lifecycle handling: authorization, capture, recurring billing, refund, and chargeback.

  • Integrate directly with card payment gateways, orchestration platforms, and acquiring banks, not via third-party plugins or wrappers.

  • Build and optimize Apple Pay and Google Pay payment flows.

  • Implement and maintain recurring billing systems across multiple countries and currencies.

  • Ensure high reliability, observability, and fault tolerance for payment flows through robust logging, retries, and error handling mechanisms.

  • Follow PCI-DSS security best practices and ensure proper data handling and encryption in compliance with regulations.

  • Produce clear technical documentation for APIs, flows, and deployment practices.

  • Write clean, well-structured PHP code following SOLID and OOP principles, and ensure thorough test coverage using PHPUnit.

  • Collaborate with cross-functional teams to drive discussions around technical best practices and identify the most effective technical solutions.

Your profile

  • 3+ years of PHP development experience, preferably with Laravel.

  • Strong experience with PostgreSQL and relational database design.

  • Proficiency in Linux-based development environments and CLI tools.

  • Solid knowledge and hands-on development of credit card payment gateways, including direct API integration.

  • Proven experience with Apple Pay and Google Pay integrations.

  • Demonstrated expertise in recurring billing integration and subscription management flows.

  • Understanding of asynchronous programming, with ability to handle its quirks, including non-blocking I/O, job queues, and workarounds in PHP-based environments.

  • Familiarity with REST, JSON, SOAP, and XML protocols for third-party API integration.

  • Experience with unit testing, CI/CD, and Git-based version control (GitLab).

  • Passion for writing clean code.

Bonus Points

  • Exposure to PCI-DSS audits or compliance implementation.

  • Experience working with fraud prevention tools or risk engines.

  • Knowledge of dispute management and chargeback mitigation tools such as TC40, Ethoca, and Verifi.

Why us?

  • We offer a competitive salary in line with market conditions and your skills and experience.

  • We have an informal, fun and multicultural working environment.

  • Personal development, learning and growth is integrated in our culture, you have the freedom and the budget to travel, attend conferences, workshops and training.

  • You will have the opportunity to test your ideas with hundreds of thousands of users in real-time and learn from them.

  • We organize many company-sponsored activities including an annual company retreat.