Sr Professional Services Developer

Job Summary: This role is for a COBOL developer working on ACI’s Money Transfer System (MTS), a long‑standing, mission‑critical transaction processing platform. The MTS Developer is responsible for designing, developing, enhancing, and supporting COBOL‑based MTS software, with a strong focus on CSM‑related functionality. The role requires deep technical ownership, strong problem‑solving skills, and the ability to work effectively within a complex, regulated environment. Job Responsibilities: Independently designs, develops, tests, and delivers high‑quality COBOL‑based software solutions for MTS, with a strong focus on CSM‑related functionality and enhancements. Take full ownership of assigned work, including technical design, implementation, unit testing, and delivery to production. Provide accurate effort estimates and status updates (e.g., timelines, completion percentages) to technical leads and management. Research, troubleshoot, and resolve complex software issues across application, system, and integration layers while adhering to established development standards and controls. Maintain deep working knowledge of MTS application logic, data flows, system dependencies, and operational impacts in high‑availability environments. Coordinate and, when required, technically lead the work of a small project team, including task planning and sequencing. Act as a subject matter expert for CSM‑related development, providing guidance, technical direction, and code‑level support to peers. Collaborate closely with cross‑functional teams (Product, Services, Support) to ensure solutions meet functional, technical, and operational requirements. Understand and adhere to all corporate policies, including the ACI Code of Business Conduct and Ethics. Perform other related duties as assigned. Knowledge, Skills and Experience required for the job: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional software development experience. 5+ years of hands‑on software development experience, with strong proficiency in COBOL. Strong ability to work independently, take ownership of complex problem spaces, and make sound technical decisions. Proven analytical and troubleshooting skills, including root‑cause analysis of production issues. Clear and effective communication skills, including the ability to explain technical concepts to non‑technical stakeholders. Preferred Knowledge, Skills and Experience needed for the job: Prior experience working with MTS, CSM functionality, or similar high‑volume financial transaction systems. Experience supporting or enhancing systems in regulated, mission‑critical environments. Familiarity with system integration points, batch processing, and operational tooling common to COBOL‑based platforms. Exposure to customer‑facing or services‑adjacent development work. Work Environment: Standard office or remote work environment . Majority of time spent working on a computer. Occasional domestic or international travel may be required.