Sr. COBOL / Java / Spring Batch Developer
Sr. COBOL / Java / Spring Batch DeveloperBizFirst is assisting our client with hiring a Senior COBOL / Java / Spring Batch Developer to support a large-scale federal modernization initiative. Our client is a specialized government contractor supporting defense financial systems modernization, focused on transforming legacy mainframe applications into modern, scalable, and maintainable Java-based architectures.What You Will DoAs a Senior COBOL / Java / Spring Batch Developer, you will support the analysis, conversion, and modernization of complex legacy mainframe systems into a modern Java environment. You will work closely with technical and functional stakeholders to translate business logic from COBOL into Java/Spring Batch, ensuring functional equivalence, improved performance, and alignment with modern development standards. Your work will directly contribute to a multi-phase effort to modernize critical financial systems and reduce technical debt.ResponsibilitiesAnalyze and interpret complex COBOL codebases and translate business logic into Java applicationsDesign, develop, and implement batch-processing solutions using Java and Spring BatchSupport automated code conversion efforts and validate functional equivalence of converted systemsRefactor legacy logic into modular, maintainable, and scalable Java-based solutionsTroubleshoot production issues and perform root cause analysis across legacy and modern systemsCollaborate with system analysts, data architects, testers, and subject-matter expertsEnsure adherence to coding standards, security requirements, and documentation practicesSupport integration of modernized code into enterprise systems and future microservices architectureRequired QualificationsBachelor's or Master's Degree in Computer Science, Information Technology, or related fieldMinimum of 10 years of experience in software development with strong expertise in COBOL and JavaHands‐on experience with Spring Batch for enterprise batch processingExperience working with z/OS and JCL in mainframe environmentsProven ability to analyze, maintain, and modernize legacy mainframe applicationsStrong troubleshooting and debugging experience across complex systemsStrong written and verbal communication skillsU.S. Citizenship required, Active DoD Secret clearance requiredPreferred QualificationsFamiliarity with mainframe technologies such as DB2, VSAM, IDMS, or similar systemsExperience with microservices architecture and modern application design patternsExperience working within federal or DoD environmentsBizFirst LLC is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran disability or genetic information or any other reason prohibited by law in employment.#J-18808-Ljbffr