What are the responsibilities and job description for the IBM Mainframe Developer (DB2 Specialist) - Hybrid / Onsite - Jersey City, NJ / Dallas, TX position at NJTECH INC.?
Job Title: IBM Mainframe Developer (DB2 Specialist)
Location: Jersey City, NJ / Dallas, TX
Experience: 8 10 Years
Employment Type: Contract
About NJTECH
NJTECH is a globally managed IT services, IT consulting, and business solutions partner. Our High Performance Business strategy strengthens our expertise in technology and consulting. We play a key role in helping clients achieve their business objectives while delivering sustainable value.
Role Overview
We are seeking an experienced IBM Mainframe Developer with strong DB2 expertise to join our team. The ideal candidate will be responsible for designing, developing, and optimizing DB2-based solutions while ensuring high performance and scalability of mainframe applications.
Key Responsibilities
Design, develop, and maintain IBM DB2 Stored Procedures (SQL PL & external stored procedures)
Perform complex SQL tuning, query optimization, and performance analysis
Convert application logic from COBOL/SQL into DB2 Stored Procedures where applicable
Ensure high performance, scalability, and stability of DB2 database objects
Identify and resolve DB2 performance bottlenecks and issues
Collaborate with cross-functional teams for application enhancements and support
Required Skills
Strong experience in IBM Mainframe Development
Hands-on expertise in DB2 for z/OS
Proficiency in COBOL and JCL
Deep understanding of SQL tuning and performance optimization
Experience in DB2 Stored Procedures (SQL PL)
Strong debugging and problem-solving skills
Preferred Skills
Knowledge of distributed DB2 connectivity
Experience working in large-scale enterprise environments
Familiarity with banking/financial domain (plus)
Tech Stack
Mainframe | DB2 for z/OS | COBOL | JCL | SQL | Stored Procedures