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Senior COBOL and .NET Developer

Job in Hackensack, Bergen County, New Jersey, 07601, USA
Listing for: Pipe Recruit
Full Time, Seasonal/Temporary position
Listed on 2026-02-12
Job specializations:
  • Software Development
    Software Engineer, C# / Unity Developer, Backend Developer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

About the job Senior COBOL and .NET Developer

Job Title: Senior COBOL and .NET Developer

Job Type: C2C / Full Time

Job Location: New Jersey, United States

Job 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.

Key Responsibilities:

  • 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.

Required Skills &

Qualifications:

  • 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 Mule Soft.
  • Knowledge of cloud-based migration solutions (Azure, AWS, or Google Cloud).
  • Experience in API development and integration.
  • Familiarity with Dev Ops tools such as Jenkins, Git, and Docker.
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Position Requirements
10+ Years work experience
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