About This Role We are currently seeking a Senior PHP Back-end engineer with 5+ years of experience to join our team. This role will have a strong presence within the team, acting as a technical reference in day-to-day operations, and will have a significant impact on the development process. The candidate should possess a diverse set of skills, ranging from proficiency in PHP, either plain or through frameworks, to hands-on experience with non-relational databases (especially MongoDB), object-oriented programming (OOP), Git version control, and solid experience working within cloud environments, particularly AWS.

Knowledge of security principles and best practices will be highly valued.

YOUR MISSION - Collaborate with both the project-dedicated team and the broader technology team - Support and guide other team members in achieving their goals throughout the project - Maintain and optimize the technological stack, ensuring high standards of performance, security, and reliability,



in collaboration with a systems engineer - Apply object-oriented programming principles to improve code quality and maintainability - Work across multiple applications and microservices within the platform - Participate in the implementation and maintenance of authentication and authorization mechanisms used across the system - Utilize Git and Notion to collaborate effectively within a team environment What You Will Bring Along To Be Successful - 5+ years of experience as a PHP Developer - Strong proficiency in PHP, both native and using frameworks - Experience with relational and non-relational databases (especially MongoDB) - Solid understanding and application of object-oriented programming (OOP) - Proficiency with Git-based workflows - Familiarity with cloud computing, especially on the AWS platform - Experience with authentication and authorization systems in distributed applications - Experience with AWS Cognito or similar identity providers will be highly valued - Familiarity with secure development practices - Knowledge of server management and system architecture - Proactive mindset, able to find solutions independently and work autonomously - Organized, pragmatic, and open-minded when approaching technical challenges Highly Valued - Experience working under ISO-aligned environments (e.g. ISO 27001, ISO 27701) and/or the Spanish ENS - Familiarity with security controls, audits, and compliance processes in regulated environments - Previous experience working within the French healthcare ecosystem - Familiarity with French regulations regarding health data protection and security (e.g. HDS, CNIL-related expectations)

📌 Senior PHP Developer (Madrid)
🏢 Ailin.health
📍 Madrid