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Sr Mainframe Developer

ApolisWilmington, DE🇺🇸United StatesPosted 4 Aug 2026

Quick Overview

Work Type

Hybrid

Level

Mid Senior

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.

Skills

COBOL

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