{"schemaVersion":"jobsearcher.job.v1","id":"16c2cf83f935b5bf6ebaf67a","url":"https://jobsearcher.com/jobs/16c2cf83f935b5bf6ebaf67a","canonicalUrl":"https://jobsearcher.com/jobs/16c2cf83f935b5bf6ebaf67a","title":"Senior Java Backend Developer / Integration Engineer","description":"We are looking for a 5 Senior Java Backend Developers / Integration Engineers to strengthen the team working in pharma sector, a strategic integration platform in the healthcare ecosystem. This role is ideal for someone who enjoys building reliable backend services, secure APIs, event-driven integrations, and cloud-connected data flows in a modern Java environment.\r\nMission\r\nYou will join a team responsible for the evolution of the solution, a multi-module platform built around integration, interoperability, security, and data exchange.\r\nResponsibilities\r\nDesigning and implementing backend features in a modern Java stack\r\nBuilding and maintaining secure APIs and gateway flows\r\nDeveloping integrations with external systems and healthcare partners\r\nWorking on event-driven communication and asynchronous processing\r\nContributing to data persistence, migration, and operational reliability\r\nSupporting cloud-based data exchange patterns and AWS-connected services\r\nEnsuring code quality through unit and integration testing\r\nCollaborating closely with analysts, architects, and product stakeholders\r\nTech Environment\r\nThe current stack includes\r\nSpring Boot 4\r\nSpring Cloud Gateway\r\nSpring WebFlux\r\nSpring Security\r\nSpring Data JPA\r\nMariaDB\r\nFlyway\r\nRedis\r\nJWT / OAuth2 Resource Server\r\nAWS SDK with S3 , Glue , Athena\r\nOpenAPI / Springdoc\r\nJackson\r\nParquet / Hadoop\r\nMaven\r\nJUnit 5 / Mockito\r\nQualifications\r\nStrong experience in backend development with Java and Spring\r\nSolid knowledge of API design, security, and system integration\r\nExperience with relational databases such as MariaDB or MySQL\r\nExperience with messaging platforms such as Kafka\r\nFamiliarity with cloud environments, ideally AWS\r\nGood understanding of authentication and authorization mechanisms such as JWT and OAuth2\r\nA quality-driven mindset with attention to testing, maintainability, and production reliability\r\nThe ability to work autonomously while collaborating effectively with a broader team\r\nNice to Have\r\nExperience with Spring Cloud Gateway or API gateway patterns\r\nExperience with Redis\r\nExposure to healthcare, interoperability, or regulated environments\r\nExperience with data pipelines or analytical storage flows using S3 / Athena / Glue\r\nFamiliarity with hexagonal architecture or domain-driven design principles\r\nBenefits\r\nStrategic project with real business and integration impact\r\nModern Java and Spring ecosystem\r\nCombination of backend engineering, integration, security, and cloud topics\r\nCollaborative team environment\r\nOpportunity to contribute to a platform used in a sensitive and meaningful domain\r\nPractical Information\r\nLocation: Belgium / hybrid possible\r\nEngagement: freelance or employee, depending on profile\r\nDuration: long-term reinforcement for the team\r\nJ-18808-Ljbffr","company":"Hivex","rawCompany":"hivex","city":"Cedar Grove","state":"WI","isRemote":false,"isActive":false,"createdAt":"2026-04-21T04:54:22.917Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Java Backend Developer / Integration Engineer","description":"We are looking for a 5 Senior Java Backend Developers / Integration Engineers to strengthen the team working in pharma sector, a strategic integration platform in the healthcare ecosystem. This role is ideal for someone who enjoys building reliable backend services, secure APIs, event-driven integrations, and cloud-connected data flows in a modern Java environment.\r\nMission\r\nYou will join a team responsible for the evolution of the solution, a multi-module platform built around integration, interoperability, security, and data exchange.\r\nResponsibilities\r\nDesigning and implementing backend features in a modern Java stack\r\nBuilding and maintaining secure APIs and gateway flows\r\nDeveloping integrations with external systems and healthcare partners\r\nWorking on event-driven communication and asynchronous processing\r\nContributing to data persistence, migration, and operational reliability\r\nSupporting cloud-based data exchange patterns and AWS-connected services\r\nEnsuring code quality through unit and integration testing\r\nCollaborating closely with analysts, architects, and product stakeholders\r\nTech Environment\r\nThe current stack includes\r\nSpring Boot 4\r\nSpring Cloud Gateway\r\nSpring WebFlux\r\nSpring Security\r\nSpring Data JPA\r\nMariaDB\r\nFlyway\r\nRedis\r\nJWT / OAuth2 Resource Server\r\nAWS SDK with S3 , Glue , Athena\r\nOpenAPI / Springdoc\r\nJackson\r\nParquet / Hadoop\r\nMaven\r\nJUnit 5 / Mockito\r\nQualifications\r\nStrong experience in backend development with Java and Spring\r\nSolid knowledge of API design, security, and system integration\r\nExperience with relational databases such as MariaDB or MySQL\r\nExperience with messaging platforms such as Kafka\r\nFamiliarity with cloud environments, ideally AWS\r\nGood understanding of authentication and authorization mechanisms such as JWT and OAuth2\r\nA quality-driven mindset with attention to testing, maintainability, and production reliability\r\nThe ability to work autonomously while collaborating effectively with a broader team\r\nNice to Have\r\nExperience with Spring Cloud Gateway or API gateway patterns\r\nExperience with Redis\r\nExposure to healthcare, interoperability, or regulated environments\r\nExperience with data pipelines or analytical storage flows using S3 / Athena / Glue\r\nFamiliarity with hexagonal architecture or domain-driven design principles\r\nBenefits\r\nStrategic project with real business and integration impact\r\nModern Java and Spring ecosystem\r\nCombination of backend engineering, integration, security, and cloud topics\r\nCollaborative team environment\r\nOpportunity to contribute to a platform used in a sensitive and meaningful domain\r\nPractical Information\r\nLocation: Belgium / hybrid possible\r\nEngagement: freelance or employee, depending on profile\r\nDuration: long-term reinforcement for the team\r\nJ-18808-Ljbffr","datePosted":"2026-04-21T04:54:22.917Z","dateModified":"2026-04-21T04:54:22.917Z","hiringOrganization":{"@type":"Organization","name":"Hivex","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Cedar Grove","addressRegion":"WI","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"16c2cf83f935b5bf6ebaf67a"},"url":"https://jobsearcher.com/jobs/16c2cf83f935b5bf6ebaf67a"}}