Sr. COBOL / Java / Spring Batch Developer

BizFirst; United States; A distancia; USD 120.000 - 160.000; Jornada completa

Descripción de la vacante

BizFirst is assisting a client in a remote Senior COBOL/Java/Spring Batch Developer role to modernize large-scale federal financial systems. The position focuses on translating COBOL logic to Java/Spring Batch, improving performance and aligning with modern development standards.

You will work with stakeholders to ensure functional equivalence, support batch processing, and contribute to a multi-phase modernization effort in a government contracting context.

Formación

• Bachelor’s or Master’s Degree in Computer Science, Information Technology, or related field.
• Minimum of 10 years of software development experience with COBOL and Java.
• Hands-on experience with Spring Batch for enterprise batch processing.
• Experience with mainframe z/OS environment and JCL.

Responsabilidades

• Analyze and translate complex COBOL code into Java/Spring Batch.
• Design, develop and implement batch-processing solutions in Java.
• Support automated code conversion and verify functional equivalence.
• Refactor legacy logic into modular, scalable Java-based solutions.
• Troubleshoot production issues and perform root-cause analysis.
• Collaborate with analysts, data architects, testers, and SMEs.
• Ensure coding standards, security requirements, and documentation.
• Support integration of modernized code into enterprise systems and microservices.

Conocimientos

COBOL

Java

Spring Batch

z/OS

JCL

Educación

Bachelor’s or Master’s Degree in Computer Science/Information Technology or related field

Herramientas

JCL

Descripción del empleo

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

Originally posted on Himalayas