Senior Java Developer

pContribute to the major transformations of companies and public actors by combining technological innovation and business expertise, serving our society and customers to help them move forward sustainably. /ph3Your responsibilities for this function /h3pWe are looking for a Senior Full-Stack Java Developer to join our client’s development team and take a key role in designing, building and maintaining modern web applications. /ppYou will work across the entire stack (backend and frontend), contribute to architecture and technical choices, and help raise the overall engineering standards within the team. /pulliDesign, develop and maintain backend services using Java and related frameworks. /liliBuild and enhance RESTful APIs to support web and mobile applications. /liliDevelop responsive, user-friendly frontend interfaces using modern JavaScript frameworks (e.g. Angular). /liliParticipate in technical design and architecture discussions (performance, scalability, security, maintainability). /liliWrite clean, testable, and well‑documented code following best practices and coding standards. /liliCollaborate closely with product owners, business analysts and other developers to refine requirements and deliver high‑quality features. /liliTroubleshoot, debug and resolve complex technical issues across the stack. /liliContribute to code reviews, knowledge sharing and mentoring of more junior developers. /liliParticipate in CI/CD, release management and continuous improvement of the development lifecycle. /li /ulh3Your skills /h3ulli5+ years of professional experience as a Java developer, including senior responsibilities. /liliStrong experience with Spring / Spring Boot and RESTful API development. /liliSolid experience in frontend development with Angular (or similar framework, with willingness to focus on Angular). /liliProven experience working on complex, enterprise-level applications (performance, security, maintainability). /liliGood understanding of software architecture patterns (layered architecture, microservices, clean architecture, etc.). /liliStrong knowledge of relational databases and ORM tools. /liliExperience with CI/CD pipelines, automated testing and modern software engineering practices. /liliAbility to work in an Agile/Scrum environment and collaborate with cross‑functional teams. /li /ulh3Core Technical Stack /h3h3Backend /h3ulliJava 8+ / 11+ Spring, Spring Boot Java EE / Jakarta EE (JPA, EJB, JMS, Servlet, etc.) /liliRESTful web services (REST) API design and integration (JSON, XML) /liliJPA / Hibernate or other ORM frameworks /liliMicroservices architectures (Spring Cloud / similar) /li /ulh3Frontend /h3ulliAngular (latest versions preferred) /liliTypeScript / JavaScript (ES6+) HTML5, CSS3, SCSS /liliResponsive design and UI frameworks (Bootstrap / Material / similar) /li /ulh3Integration Data /h3ulliRelational databases (Oracle, PostgreSQL, MySQL, SQL Server) and strong SQL skills /liliMessaging / event-driven architectures (JMS, Kafka, RabbitMQ or similar) /liliAPI gateways and security (OAuth2, JWT, OpenID Connect) /li /ulpOnepoint in a few words: In just over 20 years, Onepoint has become one of the major players in consulting and tech. Indeed, our collective has now more than 3,500 people around the world (France, Australia, Belgium, Canada, Malaysia, Morocco and Singapore). Our turnover has been multiplied by 10 in only 10 years, reaching more than 500 million euros, and aims to reach a billion euros within 4 years. As an architect of major transformations for companies and public sector players, Onepoint is building a direction and outlining future prospects in an uncertain world, by putting technological innovation at the service of its customers' and society's progress. /p