Senior Frontend Developer(m/w/x)

# Senior Frontend Developer (m/w/d) - Vaadin **Bochum, Germany** | **Full time** **Senior Frontend Developer (m/w/d)** **Kairos GmbH, an IQVIA Business** We are seeking a talented **Senior Frontend Developer** to join our dynamic team and contribute to the development of innovative user interfaces for our core products, for example IQVIA's Health Data Research Platform. (part of the Connected Health Platform\*). **Key Responsibilities:** * Maintain and enhance existing user interfaces for our core products. * Design, develop, test, validate, and debug new user interfaces. * Develop the transfer layer from UI to the backend. * Plan and design new user interfaces using wireframes. * Conduct code reviews for other UI developers. * Write unit and integration tests using JUnit and Mockito. * Support the development of user acceptance tests using Selenium WebDriver, Concordion framework and Vaadin Testbench. **Primary Skills:** * Proficient in Vaadin. * Strong Java coding skills * Experience with Spring framework (dependency injection, transaction management) * Proficient in JUnit and Mockito * Solid SQL skills * Experience with IntelliJ * Proficient in Git (GitLab) * Experience with Maven * Knowledge of HTTP and REST **What We Offer:** * Flexible working hours (see 'Shift Timings') * Both working options are possible. Hybrid (located in an IQVIA 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. **Time zone:** Berlin, Germany (CET: UTC+1, CEST: UTC+2). **The ideal candidate will also have:** * Fluent German skills, otherwise, willingness to improve existing German language skills. * 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. **Skill Flexibility:** * Experience with other UI frameworks like React. * Experience in UI development for mobile applications. * Familiarity with Windows or MacOS environments. **Why Join?** Those who join us become part of a recognized global leader still willing to challenge the status quo to improve patient care. You will have access to the most cutting-edge technology, the largest data sets, the best analytics tools and, in our opinion, some of the finest minds in the Healthcare industry. You can drive your career at IQVIA and choose the path that best defines your development and success. With exposure across diverse geographies, capabilities, and vast therapeutic and information and technology areas, you can seek opportunities to change and grow without boundaries. We know that meaningful results require not only the right approach but also the right people. Regardless of your role, we invite you to reimagine healthcare with us. You will have the opportunity to play an important part in helping our clients drive healthcare forward and ultimately improve human health outcomes. **It's an exciting time to join and reimagine what's possible in healthcare.** *IQVIA is a strong advocate of diversity and inclusion in the workplace. We believe that a work environment that embraces diversity will give us a competitive advantage in the global marketplace and enhance our success. We believe that an inclusive and respectful workplace culture fosters a sense of belonging among our employees, builds a stronger team, and allows individual employees the opportunity to maximize their personal potential.*