• Sr. Mainframe Developer

    Insight Global (Tampa, FL)


    Job Description

    A TAL/COBOL/TALC Developer with deep expertise in HP NonStop/Tandem mainframes and mission-critical payment systems. This role requires hands-on experience with core NonStop technologies, transaction processing environments, and high-availability architectures.

    Responsibilities

    - Design, develop, and maintain applications in TAL, COBOL, and TACL on HP NonStop systems.

     

    - Build and support payment processing services, including gateways, authorization engines, and settlement modules.

     

    - Collaborate with teams to optimize and scale transaction systems for high throughput and availability.

     

    - Implement and tune solutions within HP Pathway and Guardian OS environments.

     

    - Develop monitoring, logging, and recovery processes to ensure uninterrupted operations.

     

    - Support system upgrades, migrations, and modernization efforts while preserving legacy system functionality.

     

    - Enhancements and maintenance

     

    Working EST hours

     

    We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to [email protected] learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

     

    Skills and Requirements

     

    - 7-10 yrs experience

     

    - Strong background in HP NonStop Mainframes (Tandem/Guardian environment).

     

    - Proven expertise in TAL (Tandem Advanced Language), COBOL, and TACL scripting.

     

    - Hands-on experience with payment systems, card networks, and transaction gateways.

     

    - Solid understanding of HP Pathways, Guardian OS IPC mechanisms, and system libraries.

     

    - Deep knowledge of high availability, fault-tolerant architectures, and scalable transaction processing.

     

    - Experience debugging across TAL, COBOL, and TACL components. - Prior work in financial services, banking, or telecom transaction environments.

     

    - Knowledge of SQL/Enscribe databases on HP NonStop.

     

    - Strong problem-solving skills for performance tuning and debugging hybrid systems.