• Mainframe Developer

    Cognizant (Wilmington, DE)
    **About the role** As a ** Mainframe Developer ** , you will make an impact by designing, developing, and maintaining high-performance applications in complex ... **In this role, you will:** + Develop and maintain mainframe applications using COBOL, CICS, IMS-DB, DB2, VSAM, and...to have to be considered:** + 10+ years of mainframe application development experience with COBOL + 10+ years… more
    Cognizant (12/02/25)
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  • Senior Mainframe Developer

    GovCIO (Dover, DE)
    **Overview** GovCIO is currently hiring for Senior Mainframe Developer to perform maintenance, remediation's, and updates to mission critical applications used ... USD $160,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6700/senior- mainframe - developer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6700_ **Category** _Software… more
    GovCIO (09/17/25)
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  • IT Mainframe Developer - Contract…

    Nelnet (Dover, DE)
    …people where they live, learn, and work. We are seeking experienced Mainframe Developers to support state workforce agency's initiative to expand Unemployment ... programs and rebind DB2 packages as needed. + Conduct developer unit testing and support user acceptance testing (UAT)....Science **EXPERIENCE:** + Minimum 5 years of experience in mainframe development. + Proficiency in: COBOL (batch and online)… more
    Nelnet (12/04/25)
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  • Java - Mainframe Programmer

    GovCIO (Dover, DE)
    **Overview** GovCIO is currently hiring for Java - Mainframe Developer to perform maintenance, remediation's, and updates to mission critical applications used ... support the DCSA background investigation processes. The position does not require legacy/ mainframe experience, but candidates MUST to be open to learning the… more
    GovCIO (11/07/25)
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  • Mainframe Cloud TS2 Software Engineer III

    JPMorgan Chase (Wilmington, DE)
    …modern programming languages and database querying languages + Proven experience as a Mainframe Developer with 8-10 plus years expertise in COBOL, CICS, IMS, ... DB2, JCL, VSAM, CA7 and Changeman + Experience with Credit Card Payment Processing service called TS2 Architecture and TS2 Options, with hands-on experience in a wide range of cardholder functionalities such as new credit card account setup, application… more
    JPMorgan Chase (11/19/25)
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  • Mainframe Cloud TS2 Senior Lead Software…

    JPMorgan Chase (Wilmington, DE)
    …application development, testing, and operational stability + Proven experience as a Mainframe Developer with expertise in COBOL, JCL, VSAM, DB2, CICS,MQ, ... and SQL + In-depth knowledge of Payment Processing software, including TS2 Architecture and TS2 Options, with hands-on experience in a wide range of cardholder functionalities such as new credit card account setup, application processing, transaction posting,… more
    JPMorgan Chase (11/17/25)
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  • Mainframe Modernization Solution Architect

    Rocket Software (Dover, DE)
    …consulting partners with Rocket Enterprise Portfolio (Enterprise Server/Enterprise Developer /Enterprise Analyzer) mainframe modernization approach and ... **Job Description Summary:** We are looking for a highly skilled Mainframe Modernization Solutions Architect to analyze, design, architect, and implement solutions… more
    Rocket Software (11/27/25)
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  • Assembler Language Coder (ALC) - Developer…

    ABBTECH Professional Resources, Inc. (Dover, DE)
    …**Description of Assignment:** Work in an Agile team to support back-end mainframe systems and provide interfaces to front-end systems. This means that they ... can develop mainframe applications (with databases and mainframe systems): + Work with development teams and product managers to ideate software solutions. +… more
    ABBTECH Professional Resources, Inc. (11/20/25)
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  • Sr. MuleSoft Certified Developer…

    MSys Inc. (Dover, DE)
    Job summary: Title: Sr. MuleSoft Certified Developer - Primarily remote Location: Dover, DE Length and terms: Long term - W2 or C2C Position created on 12/09/2025 ... Dover, DE Job Description: We are seeking an experienced Senior MuleSoft Developer to design, develop, and implement robust integration solutions using the MuleSoft… more
    MSys Inc. (12/10/25)
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  • Software Engineer

    Ensono (Dover, DE)
    …who can deliver reliable, high-performance software that runs across mainframe , distributed, and cloud environments. You'll collaborate with Data Engineers, ... and implement systems that run reliably across distributed, cloud, and mainframe environments. + **User Experience Enablement** - Deliver intuitive dashboards,… more
    Ensono (10/26/25)
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