BizFirst
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
- 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
- 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
Originally posted on Himalayas
To apply for this job please visit himalayas.app.
Working in United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's th
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