Mainframe- Cobol Developer

We have a remote, 18 month contract opportunity for a Mainframe Developer for a client of ours located in San Antonio, TX.

Specifically we are looking for someone who is detail-oriented and technically skilled Mainframe Software Engineer / Application Developer to maintain and enhance both new and existing software/web applications in a Service-Oriented Architecture (SOA) environment. This role involves full-cycle development-from design and development to implementation and support-working closely with technical and business teams to ensure the delivery of scalable, efficient solutions.

• Maintain and develop software/web applications that meet business and management needs in an SOA environment.
• Design, develop, test, implement, document, and support mainframe and integrated systems.
• Ensure successful deployment of application enhancements, conversions, and system installations.
• Collaborate with leadership, analysts, and cross-functional teams to implement technical changes and provide support.
• Support production environments, troubleshoot issues, and ensure operational continuity.
• Provide Credit Union integration with vendor systems, including debit and credit card processing platforms.
• Research and evaluate options to design the most efficient and cost-effective solutions.
• Work with analysts to validate the accuracy and completeness of project requirements.
• Confirm application performance through thorough functional unit testing.
• Create technical designs and application functionality documentation.
• Participate in design/code reviews and ensure smooth operations and future planning.
• Perform other duties as required to support the organization's Vision, Purpose, and Values.

• Bachelor's degree in Management Information Systems, Computer Science, Engineering, or equivalent experience.
• Minimum 6 years of experience implementing and managing software solutions.
• Minimum 4 years of experience designing and developing mainframe technical solutions.
• At least 2 years of hands-on programming in a mainframe environment (e.g., CICS, COBOL) using the project life cycle methodology.
• Experience with IBM z/OS environment tools and languages, including:
  
  
  
  
  • COBOL, CICS, Assembler, Easytrieve, ISPF, VSAM, Endeavor, TSO, JCL, IBM Utilities
  
  
• Familiarity with software development life cycle (SDLC) processes, including:
  
  
  
  
  • Requirements gathering
  • Functional and Technical Design documentation
  
  
• Strong analytical and technical troubleshooting skills.
• Ability to quickly understand and apply business processes and technical concepts.
• Effective communication and collaboration skills in team-oriented environments.
• Technical analysis expertise and a passion for continuous learning in evolving technologies.

• Understanding and exposure to Service-Oriented Architecture (SOA), including:
  
  
  
  
  • Business process automation, shared object models, system adapters, and publish/subscribe architecture.
  
  
• At least 2 years of system design experience in the financial or insurance industry.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.


It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.