.ABOUT US Signaturit Group is a leading Saas company revolutionizing the way people do business through secure digital transactions. We are the European champions of unified digital transaction management, helping hundreds of thousands of clients in 180 countries authenticate and manage their digital identity, handle client onboarding and KYC (Know Your Customer), electronically sign documents, and securely archive critical transactions. In France, you may know us as Universign (for electronic signatures) and VIALINK (for client onboarding and KYC). Today, more than 400 experts and passionate professionals, based in Paris, Barcelona, Valencia, and Madrid, are working every day towards our shared success. Join Us at Signaturit as a Senior Backend Engineer! At Signaturit Group , we are on a mission to revolutionize the digital contract space. As a Senior Backend Engineer , you'll collaborate closely with our engineering team to shape both the architecture and technical implementation of our platform in a dynamic, agile environment. At the heart of our systems is a modern PHP-based microservices architecture , leveraging Hexagonal Architecture and Domain-Driven Design (DDD) to ensure flexibility, maintainability, and growth. We're looking for a passionate PHP Developer who thrives on building robust, modular systems and is excited about working on a platform designed for scalability and innovation. By joining Signaturit, you'll be at the forefront of digital transformation , creating high-performance solutions that redefine how contracts are signed across Europe and beyond. Ready to make an impact? Apply now! What you will do at Signaturit As a Senior Backend Engineer , you will play a key role in the development of our platform, helping to build innovative solutions that will shape the future of digital transactions. Here are your main responsibilities: Product development mainly in PHP , working with modern technologies like microservices and Docker to build scalable, high-performance applications. Close collaboration with the engineering team , acting as a bridge between architecture design and technical implementation. Active participation throughout the entire application lifecycle , from building maintainable code to driving continuous improvements with practices such as CI/CD , testing, and high-quality architecture. Shaping technological and functional decisions in a truly collaborative agile environment, influencing the evolution of the platform and solution design. Building scalable, high-quality code , ensuring the highest standards in maintainability and performance. What we are looking for Proficiency in PHP , with experience in frameworks like Symfony . Solid understanding of Hexagonal Architecture (Ports and Adapters) and how it enhances application modularity. Experience applying Domain-Driven Design (DDD) concepts in real-world projects