Application Developer

About the role: As the Application Developer, you will design, build and enhance JCDecaux’s digital and business systems. You’ll architect solutions, write clean, well-structured code, and rigorously test and deploy new applications. Translating business requirements into scalable software, integrating systems seamlessly, and delivering measurable improvements in performance and reliability. A Day in the Life: Whilst there’s no typical day in the dynamic world of media, you can expect your role to involve the following: Design, build and support web and mobile applications for JCDecaux’s digital and business systems Develop, test and implement robust backend services using PHP (Laravel), NodeJS and related frameworks Architect, optimise and maintain relational and non-relational databases to ensure performance, integrity and high availability Develop and manage APIs and microservices, integrating disparate enterprise systems Design and implement responsive, intuitive front-end user interfaces using modern JavaScript frameworks Configure, maintain and support AWS cloud infrastructure to ensure secure, highly available environments Develop, test and support dynamic creative content for JCDecaux’s digital network and large-scale campaigns Implement and review security controls across applications and infrastructure; conduct secure code reviews Collaborate with internal stakeholders and external vendors to deliver enhancements and resolve production issues Conduct peer code reviews, refactor code and maintain technical documentation to continually improve software quality About You: To be successful in this role you will have: Proven experience building and supporting web and/or mobile applications using PHP (Laravel), NodeJS and modern JavaScript frameworks Strong skills in architecting and optimising relational and non-relational databases Hands-on experience designing, building and consuming APIs and microservices Practical experience working with AWS cloud infrastru