Job Description

Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title Advisor, Software Architecture
*
Looking for experienced HP NonStop (Tandem) Developer, with 3-8 years of hands-on development experience. The ideal candidate will possess strong programming skills in TAL, TACL, COBOL85, and C, and should be well-versed in HP NonStop core concepts and utilities. Prior experience with online transaction processing systems and ISO 8583 message formats is essential. Exposure to payment switch processing is highly desirable.
Key Responsibilities:

• Develop, maintain, and support applications running on HP NonStop (Tandem) systems.
• Write efficient and reliable code in TAL, TACL, COBOL85, and C.
• Work with Pathway, Enscribe, Enform, and FUP for file management, process control, and reporting.
• Analyze and implement ISO 8583 transaction message flows.
• Collaborate with QA, support, and infrastructure teams to ensure application stability and performance.
• Participate in code reviews, testing, and deployment processes.
• Provide support for production issues and performance tuning.
• Document code, processes, and architecture.

Must-Have Skills:

• 10 to 15 years of hands-on development on HP NonStop (Tandem) platform.
• Strong proficiency in TAL, TACL, COBOL85, and C programming.
• Solid understanding of Pathway, Enscribe files, Enform reports, and FUP utilities.
• In-depth knowledge of online transaction processing.
• Experience working with ISO 8583 message formats.
• Good debugging and problem-solving skills on Tandem systems.

Preferred Qualifications:

• Experience working on or integrating with payment switches (e.g., BASE24, Connex, FSS, or any proprietary platform).
• Understanding of compliance and network standards like PCI DSS, Visa/Mastercard mandates, etc.
• Ability to work in an Agile environment.

Soft Skills:

• Strong analytical and communication skills.
• Ability to work independently and within a team.
• Proactive and self-motivated with a focus on quality and customer satisfaction.

Thank you for considering employment with Fiserv. Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

Skills Required