A Fullstack Software Engineer at Salt quickly takes full ownership of a technical platform. He/she ensures its continuous evolution and actively contributes to critical company projects. He/she is eager to collaborate directly with business counterparts to clarify needs and enhance the product while designing and implementing robust solutions. Key Responsibilities Designing, developing, and maintaining server-side logic and functionality using Java and frameworks like Spring and Hibernate. Designing, developing, and maintaining user interfaces using front-end technologies like HTML, CSS, and JavaScript frameworks (ex: React). Creating and integrating RESTful APIs for internal and external use. Writing clean, maintainable, and efficient code across the full stack. Collaborating with cross-functional teams, including product managers, business analysts, and other developers, to define and deliver new features. Testing and debugging applications to ensure reliability and performance. Following and contributing to software development best practices and documentation. Keeping abreast of emerging technologies and frameworks that can enhance the development process or user experience. Participating in code reviews to maintain code quality and share knowledge with peers. Deploying applications to production environments and performing routine maintenance and updates. What you bring Bachelor or higher education in Computer Science or similar. At least 3 years of experience in a similar position. Expertise in Java for backends, combined with a good knowledge of frontend (JavaScript / HTML / React). Fluent in SQL. You are well-versed in object-oriented software design, data structures, and algorithms. The principles of agile software development are important to you. Language: French and English. What we offer Friendly and dynamic environment where proactivity and personal commitment are highly valued Competitive salary and benefits system, very attractive pension fund conditions Flexible working hours with 6 weeks of holidays Modern and ergonomic workplace Various fringe benefits Free Mobile Subscription and discounts on our products Possibility to widen your skills and experience due to a fast-moving and complex telco environment Have you always dreamed of working in a diverse and refreshing environment? Then we need to meet. Please apply online (we only accept online applications).