CTG is seeking to fill a Senior Mainframe Application Developer (Medicaid / MMIS) position for our client. Location: Remote Duration: 7 months Duties: Analyze business and functional requirements and translate them into detailed technical specifications and mainframe application designs. Design, develop, enhance, and maintain CA-MMIS Medicaid mainframe applications using COBOL, JCL, CICS, DB2, and VSAM. Provide development and production support for Medicaid AR (Accounts Receivable) and cash control processing systems. Implement and support z/OS Connect APIs to enable integration between mainframe systems and AWS Cloud–based applications. Implement and support DVM (Data Virtualization Manager) APIs to expose legacy mainframe data to modern interfacing systems. Perform unit, integration, system, and regression testing to ensure application quality and compliance. Collaborate with business analysts, QA, and infrastructure teams to ensure successful delivery and ongoing system stability. Troubleshoot, debug, and resolve application issues in development, test, and production environments. Skills: Strong expertise in COBOL, JCL, CICS, DB2, and VSAM in an enterprise mainframe environment. In-depth knowledge of Medicaid MMIS systems, with emphasis on AR and cash control processing. Experience with z/OS Connect APIs and mainframe-to-cloud integrations, preferably with AWS. Experience implementing and supporting DVM (Data Virtualization Manager) APIs. Solid understanding of SDLC methodologies and mainframe testing practices. Strong analytical, problem-solving, and documentation skills. Experience: 5+ years of experience in mainframe application development. Prior experience with healthcare claims processing systems; Medicaid/MMIS experience is strongly preferred. Proven experience translating business requirements into technical solutions in a regulated environment. Education: Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent work experience. Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required. CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee-based recruitment services for this role. To Apply: To be considered, please apply directly to this requisition using the link provided. For additional information, please contact Laura Dominguez at Laura.Dominguez@ctg.com. Kindly forward this to any other interested parties. Thank you! The expected base salary for this position ranges from $101,000 to $110,000. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered. About CTG CTG, a Cegeka company, is at the forefront of digital transformation, providing IT and business solutions that accelerate project momentum and deliver desired value. Over nearly 60 years, we have earned a reputation as a faster and more reliable, results-driven partner. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. CTG leverages the expertise of over 9,000 team members in 19 countries to provide innovative solutions. Together, we operate across the Americas, Europe, and India, working in close cooperation with over 3,000 clients in many of today's highest-growth industries. For more information, visit www.ctg.com. Our culture is a direct result of the people who work at CTG, the values we hold, and the actions we take. In other words, our people define our culture. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. Part of our mission is to cultivate a workplace that attracts and develops the best people. CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws. CTG is an Equal Opportunity Employer. CTG will assure equal opportunity and consideration to all applicants and employees in recruitment, selection, placement, training, benefits, compensation, promotion, transfer, and release of individuals without regard to race, creed, religion, color, national origin, sex, sexual orientation, gender identity and gender expression, age, disability, marital or veteran status, citizenship status, or any other discriminatory factors as required by law. CTG is fully committed to promoting employment opportunities for members of protected classes.