Senior Java & API Developer

We are seeking an experienced Senior Java & API Developer to support the development, maintenance, and enhancement of electronic data interfaces and CMS government reporting processes. This role is critical to ensure accurate, compliant, and reliable data exchange within an insurance environment.The ideal candidate will bring strong hands-on experience with Java, SQL, APIs, and CMS encounter data submissions, along with proven ability to support mission‐critical production systems and troubleshoot complex interface issues. Prior experience in the insurance domain is highly desirable.This is a fully onsite position (5 days per week).Key ResponsibilitiesDesign, develop, and maintain high‐performance Java applications using Core Java and Spring BootBuild, enhance, and integrate APIs, driving improvements in performance, scalability, and reliabilityDevelop and support standalone Java applications and data interfaces connecting to multiple databasesMaintain and enhance automated data interfaces and custom file layoutsSupport CMS encounter data submission processes to contracted health plansMonitor, reconcile, and validate submitted encounters against response files to ensure timely resolution of errorsCreate customized reports for internal stakeholders and external clientsTroubleshoot and resolve production issues across multiple applications, APIs, and data interfacesPrepare and maintain technical documentation for applications, APIs, and data exchange processesProvide off‐hours production support as requiredRequired QualificationsExtensive experience in Java application and API development, including coding, testing, debugging, documentation, and production supportAdvanced knowledge of: Java, SQL, XML, JDBC, SFTPExperience with database platforms such as DB2 and MySQLProficiency in Microsoft Excel, including working with large datasets and standardized reportingExperience working in an AS/400 environment preferred.Ability to support mission‐critical production systemsPreferred / Nice to HaveWorking knowledge of COBOLExposure to EDI (Electronic Data Interchange) standards and processingDesired AttributesStrong analytical and coding skillsIndependent, collaborative, and well‐organizedHighly Detail‐oriented, accurate, and compliantClear and effective communicator with a positive team attitudeFeatured BenefitsCompetitive salaryVacation and Sick/Personal TimeMedical InsuranceHearing Program DiscountShort‐ and Long‐Term Disability InsuranceLife InsuranceFlexible Spending Account401(k)Employee Referral ProgramEmployee Recognition ProgramsTuition ReimbursementProfessional Development and TrainingNational Vision AdministratorsFor over 40 years, National Vision Administrators (NVA) has been meeting the vision benefit needs of public employer groups, Health & Welfare Funds, Associations and Coalitions. Providing millions of people throughout the United States with vision care programs that help them be smarter buyers of eye care and eyewear, NVA is particularly well suited to address today's health benefit challenges as it relates to eye care. We offer cost-effective, customized vision benefit programs that are clinically integrated. We are proud of the fact that we have retained over 99% of our clients and believe it is the greatest testimony to the high-quality benefits and service satisfaction we provide to both our clients and their members. Headquartered in Clifton, New Jersey.Website: http://www.e-nva.comWe are an Equal Opportunity employer.