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Sr. COBOL / Java / Spring Batch DeveloperBizFirst • Indianapolis, VA, us
Sr. COBOL / Java / Spring Batch Developer

Sr. COBOL / Java / Spring Batch Developer

BizFirst • Indianapolis, VA, us
28 days ago
Job type
  • Full-time
  • Quick Apply
Job description
Job Description

This is a remote position.

Location: Remote

Summary:

BizFirst 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 Do

As 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.

Responsibilities


  • Analyze and interpret complex COBOL codebases and translate business logic into Java applications
  • Design, develop, and implement batch-processing solutions using Java and Spring Batch
  • Support automated code conversion efforts and validate functional equivalence of converted systems
  • Refactor legacy logic into modular, maintainable, and scalable Java-based solutions
  • Troubleshoot production issues and perform root cause analysis across legacy and modern systems
  • Collaborate with system analysts, data architects, testers, and subject-matter experts
  • Ensure adherence to coding standards, security requirements, and documentation practices
  • Support integration of modernized code into enterprise systems and future microservices architecture
Required Qualifications
  • Bachelor’s or Master’s Degree in Computer Science, Information Technology, or related field
  • Minimum of 10 years of experience in software development with strong expertise in COBOL and Java
  • Hands-on experience with Spring Batch for enterprise batch processing
  • Experience working with z/OS and JCL in mainframe environments
  • Proven ability to analyze, maintain, and modernize legacy mainframe applications
  • Strong troubleshooting and debugging experience across complex systems
  • Strong written and verbal communication skills
  • U.S. Citizenship required, Active DoD Secret clearance required
Preferred Qualifications
  • Experience supporting large-scale legacy system modernization efforts
  • Familiarity with mainframe technologies such as DB2, VSAM, IDMS, or similar systems
  • Experience with microservices architecture and modern application design patterns
  • Experience working within federal or DoD environments



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