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Java Application Developer

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ZettalogixTrenton, NJJune 26th, 2026

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Job: Java Application Developer Location: Trenton, NJ; Candidates must work 3 days a week ON-SITE 8-4:30 physically IN-Office in Trenton, NJ. (2 days remote work) ONSITE INTERVIEW IS REQUIRED - NO EXCEPTIONS Duration: 1 year with possibility of extension Strong communication skills are required.Job DescriptionWe are looking for an Application Developer to design, build, and maintain healthcare data integrations across systems, leveraging Java and Python. This position will be Hybrid (3 days onsite) and is a 1+ year contract engagement.An Onsite Interview Is Required.What You ll DoAnalyze, design, code, and perform component and assembly testing of all application code owned by the Application TeamDesign and develop key/critical modules within the client's systemWork closely with technical and product teams to ensure seamless data interoperability between internal and third-party health systemsProvide accurate estimates for design and programming efforts for system changes and enhancementsIdentify appropriate business examples to illustrate key concepts/featuresEnsure that technical documentation and artifacts are accurately prepared, maintained, and catalogedCollaborate with functional groups both internally (e.g., project management, network operations) and externally to provide tightly integrated solutions for web applications and backend systemsDevelop new upgrades and features for the existing applicationRequiredWhat You'll NeedMinimum 6+ years of software web development (full stack) experience and at least 5+ years using JavaExperience with integration of Microservices applications (RESTful APIs)Proficiency in HTML5, CSS, JavaScript/Typescript, Bootstrap, AJAX, and JSONEnd-to-end development experience with Java, Java/Spring Boot RESTful APIs, and NPMAgile development experience or equivalent in a fast-paced development environmentExperience in developing real-time web applicationsFull-time professional work experience in Information TechnologyPreferredExperience in healthcare systems and data interoperabilityFamiliarity with technical documentation and maintaining technical artifacts2+ years of experience with Angular UI development preferred