BizFirst LLC

Senior COBOL, Java, Spring Batch Developer

BizFirst LLC

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Location Type: Remote

Location: United States

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Job Level

Tech Stack

About the role

  • Support the analysis, conversion, and modernization of complex legacy mainframe systems into a modern Java environment
  • Work closely with technical and functional stakeholders to translate business logic from COBOL into Java/Spring Batch
  • Ensure functional equivalence, improved performance, and alignment with modern development standards
  • Contribute to a multi-phase effort to modernize critical financial systems and reduce technical debt

Requirements

  • 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
Benefits
  • Remote position 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score
Applicant Tracking System Keywords

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Hard Skills & Tools
COBOLJavaSpring Batchz/OSJCLsoftware developmenttroubleshootingdebugginglegacy system modernizationperformance improvement
Soft Skills
communicationstakeholder collaborationanalytical skillsproblem-solving
Certifications
Bachelor’s DegreeMaster’s DegreeDoD Secret clearance