{"id":3752969,"url":"https://alion.io/job/capgemini-java-and-vaadin-fullstack-developer","title":"Java and Vaadin Fullstack Developer","company":{"id":145,"name":"Capgemini","domain":"capgemini.com","url":"https://alion.io/company/capgemini","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"B","score":79,"open_postings":1755,"ghost_share":0.004,"stale_share":0.813,"repost_share":0.018,"time_to_fill_p50_days":30,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Vila Nova de Gaia, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Java","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"Spring Boot","optional":false},{"name":"Flyway","optional":true},{"name":"Maven","optional":true},{"name":"PostgreSQL","optional":true}],"status":"live","first_seen_at":"2026-11-04T14:46:28Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-06T20:50:05Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"CAPGEMINI ENGINEERING\nAt Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.\nYOUR ROLE\nAs a Senior Java Developer (Vaadin), you will play a key role in the modernization of a healthcare product, focusing on the evolution and enhancement of its Vaadin-based user interface. You will be responsible for designing, developing, and maintaining scalable frontend and backend components, while contributing to the application's migration from Java 11 to Java 21.\nWorking closely with cross-functional teams, you will help implement new business requirements, modernize existing web interfaces, integrate frontend functionality with REST services, and ensure the application remains maintainable, consistent, and user-friendly. The role also involves contributing to Spring Boot backend components whenever required and supporting the overall modernization strategy of the platform.\nYOUR PROFILE\nBachelor's degree in Computer Science, Software Engineering, or a related field.\nMinimum 5 years of professional software development experience.\nAt least 3 years of hands-on experience with Vaadin, with a strong focus on frontend and UI development.\nStrong expertise in Java and solid experience with Spring Boot.\nProven experience developing and modernizing user-facing web applications.\nExperience developing and consuming REST APIs.\nGood understanding of frontend usability principles, component-based development, and maintainable UI architectures\n.Experience working across both frontend and backend layers of enterprise applications.\nKnowledge of Agile/Scrum methodologies and collaborative software development practices.\nStrong communication skills and ability to work within cross-functional teams.\nHybrid-Model: 2 times a week in the Capgemini Offices\nEnglish is mandatory.\nNICE TO HAVE\nExperience with Vaadin 23.\n\nExperience withJava 21 and/or Java version migration projects.\n\nKnowledge of PostgreSQL and Flyway.\n\nExperience with Maven multi-module applications.\n\nPrevious experience in healthcare solutions or other complex enterprise systems.\n\nFamiliarity with application modernization and legacy platform evolution projects.\n\nWHAT YOU’LL LOVE ABOUT WORKING HERE\nJoin a multicultural and inclusive team environment.\nEnjoy a supportive atmosphere promoting work life balance.\nHybrid work.\nYour career growth is central to our mission.\nOur array of career growth programs and diverse professionals are crafted to support you in exploring a world of opportunities.\nAccess valuable training and certifications in cutting edge technologies.\nEngage in exciting projects.Health and life insurance.\nReferral program with bonuses for talent recommendations.\nGreat office locations.\nABOUT CAPGEMINI\nCapgemini is the business transformation partner for enterprises in the age of AI. 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