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# Senior COBOL and .NET Developer

- **Company:** The Pipe
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Agile Methodology, Amazon Web Services, Business Logic, IBM System I, Microsoft Azure, C Sharp (Programming Language), Customer Information Control System (CICS), Cloud Computing, COBOL (Programming Language), Databases, Data Integrity, IBM DB2, Relational Databases, Software Debugging, DevOps, Job Control Language (JCL), Mainframes, Microsoft SQL Server, Object-Oriented Software Development, Oracle (Applications), Scrum Methodology, Systems Development Life Cycle, Migration Manager, Server Administration, Software Engineering, Virtual Storage Access Methods, Z/OS, Google Cloud, .NET Core, Git, Api Design, TIBCO (Software), Docker, Legacy Systems, Jenkins, Mulesoft
- **Published:** October 26, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-cobol-and-net-developer-nj--7f9d47ea-d795-4050-8ae3-5532590c2d25

## About the Role

Microsoft .NET, Cobol Programming Language, Microsoft .NET, Cobol Programming Language, Migration Strategy, Technical Support, Analysis Skills, Mainframe Computer, IBM AS-400 Server, Software Administration, * 7+ years of COBOL development experience in mainframe (IBM Z/OS, AS/400) or Micro Focus environments.

 * Strong understanding of COBOL batch and online processing, JCL, CICS, and DB2 or VSAM.
 * Experience with .NET technologies (C#, ASP.NET, .NET Core) and familiarity with object-oriented programming.
 * Knowledge of migration strategies from legacy systems to modern platforms.
 * Experience working with databases such as SQL Server, DB2, and Oracle.
 * Strong problem-solving skills and ability to work independently or collaboratively in a team setting.
 * Understanding of software development lifecycle (SDLC) and Agile methodologies.
 * Excellent communication skills to interact with business users and technical teams.

Preferred Qualifications:

 * Experience with middleware tools for migration, such as Micro Focus COBOL, TIBCO, or MuleSoft.
 * Knowledge of cloud-based migration solutions (Azure, AWS, or Google Cloud).
 * Experience in API development and integration.
 * Familiarity with DevOps tools such as Jenkins, Git, and Docker.

## Description

We are seeking an experienced COBOL and .NET Developer with a strong background in COBOL development and migration projects. The ideal candidate will have over 5 years of experience working with legacy COBOL applications and modern .NET technologies to support a critical migration project. This role involves analysing existing COBOL applications, assisting in migration strategies, and developing solutions in .NET to ensure a seamless transition., * Analyze, modify, and maintain existing COBOL applications running on mainframe or AS/400 environments.

 * Collaborate with business analysts, architects, and stakeholders to define migration strategies and requirements.
 * Design and implement migration solutions from COBOL-based applications to .NET frameworks.
 * Develop and optimize COBOL programs for performance and maintainability.
 * Convert legacy business logic into .NET-based solutions, ensuring data integrity and functionality parity.
 * Work with database teams to migrate DB2, VSAM, or other COBOL-related databases to SQL Server or other modern RDBMS.
 * Conduct thorough testing and debugging of migrated applications to ensure quality and reliability.
 * Provide technical support and troubleshooting for both legacy and modernized applications.
 * Create documentation for legacy and migrated applications, ensuring knowledge transfer and maintainability.
 * Work in an Agile environment and participate in sprint planning, standups, and retrospectives.