Application Developer - Java/PHP

................ For our client in Basel-Landschaft, we are looking for an experienced and motivated Application Developer - Java/PHP . This role involves developing and maintaining critical applications, ensuring seamless integration across systems, and supporting operational excellence. Your Tasks: Design, develop, and maintain applications using Java and PHP Create and optimize SQL queries and database structures for high-performance systems Develop and manage APIs for internal and external integrations Administer and troubleshoot Linux-based environments Collaborate with cross-functional teams to deliver robust IT solutions Provide on-call support during agreed evenings and weekends to ensure system availability Participate in code reviews, testing, and documentation processes Your Profile: Proven experience in Java and PHP development Strong knowledge of advanced SQL and relational database design Hands-on experience with API development and integration Proficiency in Linux OS administration Proficiency in DevOps & efficient pipeline management is a plus Familiarity with cloud platforms and containerization (e.g., Docker, Kubernetes). Ability to work independently and in a team environment Excellent problem-solving and communication skills Willingness to provide on-call support during evenings/weekends as per schedule Fluent in English, German and French is a plus