Job Description

This role is for a 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 MTS software, with a strong focus on customer specific modifications. 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 software solutions for MTS, with a strong focus on customer specific modification 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 customer specific modification 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, customer specific modification 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.
• Occasional customer facing role.

ACI Worldwide is a global leader in mission-critical, real-time payments software Our proven, secure and scalable software solutions enable leading corporations, fintechs and financial disruptors to process and manage digital payments, power omni-commerce payments, present and process bill payments, and manage fraud and risk We combine our global footprint with a local presence to drive the real-time digital transformation of payments and commerce.