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Sr Mainframe Developer

ApolisWilmington, DE🇺🇸United StatesPosted 4 Aug 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Wilmington, DE, United States
Posted
3 weeks ago
COBOL

Job Description

  • Job Title:Sr. Mainframe Developer

    Location:Hybrid (Minimum 3 Days Onsite) – Wilmington, DE 19803

    Tax Term (W2, C2C):W2

    Job Type (Permanent/Contract):Contract

    Duration:Long Term

    Open

    Description:

    We are seeking an experienced Sr. Mainframe Developer with 10–16 years of experience to design, develop, and maintain enterprise banking applications. The ideal candidate should have strong hands-on development experience in Mainframe technologies, expertise in CICS programming, and experience working on complex banking systems.

    Role and Responsibilities:

  • Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving operational efficiency.
  • Prepares architecture and design documents for complex Banking applications keeping in mind design constraints that translate to coding.
  • Develops secure and high-quality code that runs in sync with other highly efficient sub systems.
  • Think out-of-the-box proactively and be creative by challenging conventional approaches and contribute towards operational efficiency.
  • Troubleshoots problems, works with Product Teams and other stake holders to understand complex Requirements and be able to break them down to design/development.
  • Candidate should have expertise in COBOL, JCL, VSAM, IMS, CICS & DB2.
  • Expertise in CICS Programming including knowledge of CICS Screen Programming is Mandatory.
  • Experience/Knowledge in building and maintaining new Test regions is preferred.
  • Experience coding in MQ Series & IMS DB is Mandatory.
  • Experience in Banking Compliance and Regulatory Platform is preferred.
  • Must have hands-on coding development experience.
  • Experience with version control.
  • Ability to communicate effectively with team members and clients and excellent problem-solving skills.

  • Required Skills:

  • COBOL
  • JCL
  • VSAM
  • IMS
  • IMS DB
  • CICS
  • CICS Screen Programming
  • DB2
  • MQ Series (IBM MQ)
  • Mainframe Development
  • Banking Applications
  • Banking Compliance & Regulatory Platform
  • Test Region Setup & Maintenance
  • Version Control
  • Architecture & Design
  • Troubleshooting
  • Hands-on Coding
  • Excellent Communication Skills

  • Qualifications:

  • 10–16 years of experience in Mainframe Development.
  • Strong hands-on development experience in COBOL, JCL, VSAM, IMS, CICS, and DB2.
  • Mandatory experience with CICS Programming and CICS Screen Programming.
  • Mandatory experience with MQ Series and IMS DB.
  • Experience building and maintaining test regions is preferred.
  • Experience in Banking Compliance and Regulatory platforms is preferred.
  • Strong problem-solving, analytical, and communication skills.
  • Ability to work in a hybrid environment with a minimum of 3 days onsite.

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