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Software Engineer (C# / IMS Mainframe)

IT Associates, Inc.United States🇺🇸United StatesPosted 13 Jul 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Software Engineer (C# / IMS Mainframe) – 6-7 Month Contract

Our Digital team is seeking a Software Engineer with strong C#/.NET development experience and hands-on expertise with IMS (Information Management System) databases in a mainframe environment. This role will support a critical modernization initiative focused on integrating and transforming legacy IMS-based applications and data into modern platforms. The project is actively underway and requires immediate support to help accelerate delivery and meet key milestones.

Key Responsibilities

  • Develop and maintain C#/.NET applications, APIs, and services that interact with IMS-based systems and data.
  • Support modernization efforts involving legacy mainframe applications, data migration, and system integration.
  • Analyze existing IMS databases, business logic, and batch/online processes to support application enhancements.
  • Collaborate with architects, developers, and business stakeholders to design and implement scalable solutions.
  • Troubleshoot production issues and contribute to performance tuning, testing, and deployment activities.

Requirements

  • Strong hands-on experience with C# and .NET application development.
  • Experience working with IMS DB in IBM mainframe environments.
  • Knowledge of mainframe technologies such as COBOL, JCL, DB2, CICS, or MQ is highly preferred.
  • Experience with application modernization, API development, and legacy system integration.
  • Strong problem-solving skills and ability to work in a fast-paced project environment with aggressive timelines

Skills

C#
COBOL
.NET

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