Java Mainframe Developer

Signature IT World · Commerce · Information Technology · Java · SQL · COBOL · 4 days ago
Closed
This job closed on Nov 2, 2026 It was open for one day. Signature IT World has 2 other roles open.
2 roles at Signature IT World 4,711 Enterprise Apps roles in United States 5,907 remote Enterprise Apps roles
Salary
≈ $82k – $177k per year (Estimated)
Location
In office (Chicago)
Visa
H-1B filings in 12 months: 11 · for this role: 6 · green card filings: 4
Employment
Full-Time

Removed from the employer's board on Nov 2, 2026. First seen by Alion on Nov 1, 2026.

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Signature IT World

Signature IT World is an IT consulting and staffing company serving the pharmaceutical, banking, insurance, telecom and e-commerce sectors. It places data engineers and developers on contract roles, such as an Azure Databricks developer working with PySpark, SQL and cloud data pipelines. The company is based in Plano, Texas, United States.
sitwinc.com · HQ: Plano, United States · Commerce · Information Technology · IT Consulting & Digital Transformation · IT Staffing & Staff Augmentation

Signature IT World Inc is seeking an experienced Java Mainframe Developer to develop, maintain, and support enterprise mainframe applications. The role focuses on COBOL, JCL, DB2, CICS, and VSAM, translating business requirements into reliable technical solutions and supporting production systems.


Responsibilities

  • Develop, enhance, and maintain COBOL mainframe applications supporting critical business processes
  • Design, develop, and optimize JCL jobs for batch processing and scheduling
  • Develop and maintain DB2 database programs, including SQL queries, data retrieval, performance tuning, and optimization
  • Develop and support CICS online programs for real-time transaction processing
  • Work with VSAM files for data storage, access, and file management
  • Analyze business and functional requirements and translate them into technical solutions
  • Perform application debugging, troubleshooting, and root-cause analysis
  • Optimize existing programs and batch processes for performance and reliability
  • Participate in application testing, deployment, and production support activities
  • Collaborate with business analysts, technical teams, and other stakeholders
  • Prepare technical documentation and support knowledge-transfer activities
  • Ensure developed solutions meet enterprise coding and quality standards

Skills

  • 10+ years of experience in Mainframe development
  • Strong hands-on experience with COBOL, JCL, DB2, CICS, and VSAM
  • Strong SQL and database development experience
  • Experience with both batch and online transaction processing
  • Ability to understand business requirements and provide techno-functional solutions
  • Strong troubleshooting and problem-solving skills
  • Good communication and stakeholder collaboration skills
  • Java
  • Spring Boot
  • Microservices
  • Kafka
  • Azure
  • Full Stack Java

Company Overview

  • Our Mission is to provide our customers with services and solutions to optimize their information systems throughout their company and provide the best possible service to our employees. It was founded in undefined, and is headquartered in Frisco, Texas, US, with a workforce of 201-500 employees. Its website is https://www.sitwinc.com.

    • Company H1B Sponsorship

  • Signature IT World Inc has a track record of offering H1B sponsorships, with 3 in 2026, 11 in 2025, 5 in 2024, 5 in 2023, 21 in 2022, 14 in 2021. Please note that this does not guarantee sponsorship for this specific role.

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