Software developer (m/w/d) - Vaadin/Java

Software Engineer (Vaadin / Java) Home-based/Remote We’re looking for a skilled and motivated Software Engineer to join our dynamic team and help shape the future of user interface development for our flagship products—such as Lumen Dynamics ’s Health Data Research Platform, a key component of the Connected Health Platform. Key Responsibilities Enhance and maintain user interfaces for core applications, ensuring performance, usability, and scalability. Design, develop, test, and debug new UI features and components. Build and optimize the data transfer layer between frontend and backend systems. Collaborate on UI/UX planning through wireframes and design prototypes. Conduct code reviews and provide technical guidance to fellow UI developers. Write comprehensive unit and integration tests using JUnit and Mockito. Support user acceptance testing using Selenium WebDriver, Concordion, and Vaadin Testbench. Required Skills Vaadin Framework: Hands-on experience building rich web interfaces. Java: Strong object-oriented programming and clean coding practices. Spring Framework: Proficient in dependency injection and transaction management. Testing Tools: Skilled in JUnit and Mockito for automated testing. SQL: Solid understanding of relational databases and query optimization. Development Tools: Experience with IntelliJ IDEA, Git (GitLab), and Maven. Web Technologies: Familiarity with HTTP protocols and RESTful API design. What We Offer Flexible working hours (see 'Shift Timings') Both working options are possible: Hybrid (located in an Lumen Dynamics office) as well as fully remote. Collaborative and innovative work environment Opportunities for professional growth and development Competitive salary and benefits package Shift Timings Flexible working hours according to contract. Team core working time is between 10am and 4pm CET. The Ideal Candidate Will Also Have German language skills are an advantage but not required. Understanding of UX design principles. Experience with JPA/Hibernate, MSSQL-Server, Oracle, PostgreSQL. Familiarity with integrating applications to SSO solutions using OAuth2 or OIDC. Experience with browser automation using Selenium WebDriver. Test design experience with the Concordion framework or similar frameworks. Experience using AI-assisted software development tools such as GitHub Copilot, Cursor, or similar coding assistants. Skill Flexibility Experience with other UI frameworks like React. Experience in UI development for mobile applications. Familiarity with Windows or MacOS environments. Lumen Dynamics is a leading global provider of clinical research services, commercial insights, and healthcare intelligence to the life sciences and healthcare industries. We create intelligent connections to accelerate the development and commercialization of innovative medical treatments to help improve patient outcomes and population health worldwide. Learn more at https://jobs.iqvia.com . Lumen Dynamics is committed to integrity in our hiring process and maintains a zero tolerance policy for candidate fraud. All information and credentials submitted in your application must be truthful and complete. Any false statements, misrepresentations, or material omissions during the recruitment process will result in immediate disqualification of your application, or termination of employment if discovered later, in accordance with applicable law. We appreciate your honesty and professionalism. At Lumen Dynamics , we believe that diversity, inclusion, and belonging empower our mission to accelerate innovation for a healthier world. We create a culture of belonging by valuing the perspectives of all talented employees worldwide and providing them with the opportunity to power smarter healthcare for everyone, everywhere. When our talented employees bring their authentic selves and their diverse experiences to work, they enable us to accomplish extraordinary things. Multifaceted thought processes spark innovation. Multi-talented collaboration harnesses innovation to deliver superior outcomes. Likewise, as part of this culture, Lumen Dynamics is committed to ensuring effective equality between women and men, integrating it as a strategic principle in its corporate and human resources policies. Originally posted on Himalayas