Top 55 Rexx Developer Jobs

Senior Mainframe Developer
absiusa —Hartford, CT
- $1 an hour
- Hybrid work
- Data analysis skills
- Senior level
- Communication skills
Quick Apply
Senior Mainframe Developer
Saransh —Phoenix, AZ
- $55 - $60 an hour
- Online Application
- 7 years
- SQL
- Analysis skills
Quick Apply
5d
Cards Mainframe Developer
Capgemini —Chicago, IL
- $24.96 - $39.01 an hour
- Contract
- Office
- Java
- Fair chance
- Health insurance
- Dental insurance
Software Developers
Rigelsky —Schaumburg, IL
- $148,949 - $150,000 a year
- Mid-level
Mainframe Developer
Recutify Inc. —Plano, TX
- $40 - $45 an hour
- Office
- 3 years
- Java
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6d
Mainframe Developer
I8IS INC. —Plano, TX
- $40 - $45 an hour
- Office
- 3 years
- Java
Quick Apply
6d
Mainframe Developer
Capgemini —Chicago, IL
- $90,000 - $96,665 a year
- Full-time
- AWS
- Agile
- In-person
- Paid holidays
- Disability insurance
R&D Software Engineer
Broadcom —Lisle, IL
- $108 an hour
- Full-time
- Engineering
- Office
- 8 years
- Employee stock purchase plan
- Paid holidays
Database Developer
EdgeWorks, Inc. —Chantilly, VA
- Word processing
- Writing skills
- English
Software Developers
Crystal Data —Marlton, NJ
- Multiple hires
- Computer Science
- 5 years
- Scripting
Mainframe Developer 6200500
Accenture —Morristown, NJ
- $50 - $60 an hour
- Full-time
- Hybrid work
- 6 years
- Office
- High school diploma or GED
- Disability insurance
- Health insurance
PL/I, IMDB & DB2 Developer
Capgemini —Bloomington, IN
- $28.32 - $44.24 an hour
- Contract
- AWS
- Scripting
- Fair chance
- Health insurance
- Dental insurance
Mainframe Developer
Capgemini Sogeti —Chicago, IL
- $90,000 - $96,665 a year
- Full-time
- AWS
- Agile
- In-person
- Paid holidays
- Disability insurance
Senior Engineer
Intercontinental Exchange Holdings, Inc. —Jacksonville, FL
- Full-time
- Computer science
- Computer Science
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BUSINESS SYSTEM ANALYST
Software Merchant —Wayne, PA
- System design
- Mid-level
- US work authorization
R&D Engineer Software 4
Broadcom —Austin, TX
- $109,700 - $175,500 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Employee stock purchase plan
- Paid holidays
R&D Engineer Software 3
Broadcom —Austin, TX
- $91,000 - $146,000 a year
- Full-time
- Computer science
- Computer Science
- 5 years
- Employee stock purchase plan
- Paid holidays
Staff Engineer
TJX Companies —Framingham, MA
- $116,200 - $151,000 a year
- Full-time
- System design
- Office
- SQL
- Health savings account
- Paid holidays
Mainframe Developer 6200500
Logic —Morristown, NJ
- $50 - $60 an hour
- Full-time
- 6 years
- Office
- High school diploma or GED
- Disability insurance
- Health insurance
Mainframe Developer
Sonoma Consulting Inc. —Bentonville, AR
- Full-time
- Mid-level
- Analysis skills
- Bachelor's degree
Quick Apply

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Senior Mainframe Developer

absiusa
Hartford, CT

Quick Apply

Job Details

$1 an hour

Qualifications

Data integrity assurance
SFTP
Data Integration (Data management)
Data migration
Data validation techniques
Data analysis skills
Data quality management
Mainframe
COBOL
Mainframe development
Database migration or upgrading
Technical troubleshooting support

Full Job Description

Key Responsibilities

Analyze existing mainframe applications, databases, files, and batch processing workflows to support migration activities.
Design, develop, and execute data extraction processes from IMS databases and legacy mainframe data sources.
Create, modify, and support JCL required for data extracts, file transfers, conversion processing, and migration testing.
Perform COBOL program analysis and code modifications to support data extraction, transformation, validation, and reconciliation requirements.
Review and update FTP/SFTP processes to support secure transmission of migration files between source and target environments.
Utilize IMS utilities and BMC Utilities for IMS to unload, extract, validate, and reconcile database content.
Develop and execute data validation and reconciliation procedures to ensure data integrity throughout the migration lifecycle.
Support file mapping, field-level transformation logic, and data conversion specifications.
Troubleshoot batch failures, abends, data discrepancies, and performance issues related to migration processing.
Collaborate with database administrators, architects, business analysts, and project teams to define migration requirements and resolve technical challenges.
Create technical documentation, migration runbooks, implementation procedures, and production support documentation.
Participate in migration testing, system integration testing, user acceptance testing, and production implementation activities.
Provide production support during migration cutover and post-implementation stabilization periods.
Identify opportunities for automation using CLIST, REXX, File-AID, and other mainframe utilities.
Ensure compliance with enterprise change management, security, and audit requirements.

Required Qualifications

10+ years of Mainframe Development experience.
Expert-level COBOL programming experience.
Strong JCL development and troubleshooting skills.
Extensive IMS Database experience.
Experience with BMC Utilities for IMS.
Experience developing large-scale data extracts and conversion processes.
Strong understanding of FTP/SFTP file transfer methodologies.
Proven experience supporting enterprise data migration or modernization initiatives.
Experience performing data analysis, reconciliation, and validation.
Ability to work independently with minimal supervision in a deadline-driven environment.

Preferred Qualifications

Experience with File-AID.
Experience with EZtrieve.
Experience with CLIST and REXX automation.
Prior experience with legacy modernization or cloud migration projects.
Experience supporting financial services, insurance, healthcare, or government mainframe environments.

Critical Success Factors

Ability to quickly assess complex legacy environments.
Strong problem-solving and troubleshooting capabilities.
Excellent communication and documentation skills.
Ability to meet aggressive deadlines and deliver high-quality migration solutions under tight timelines.

Quick Apply

Refine Your Search

Rexx Developer jobs

Senior Mainframe Developer

Senior Mainframe Developer

Cards Mainframe Developer

Software Developers

Mainframe Developer

Mainframe Developer

Mainframe Developer

R&D Software Engineer

Database Developer

Software Developers

Mainframe Developer 6200500

PL/I, IMDB & DB2 Developer

Mainframe Developer

Senior Engineer

BUSINESS SYSTEM ANALYST

R&D Engineer Software 4

R&D Engineer Software 3

Staff Engineer

Mainframe Developer 6200500

Mainframe Developer

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