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.

Head of Customer Delivery

Software Engineer

Intern Audit

Head of Total Rewards

ACI Worldwide

Senior Product Owner

Product Owner

QA Quality Assurance Analyst Back Office Products

Liaison Representitive

Back Office Processor

Principal Software Engineer

Senior Software Engineer

Technical Lead

Technical Specialist

Director Real-Time Payments Solution Leader

Principal Solution Leadership Manager - Real-Time Payments

Principal Product Manager

Principal Solutions Architect

Sr. Business Analyst

Team leader

Control Accountant

Associate Software Engineer

Student

CSI SIG head (Android)

Freelancer

Android Developer intern

Senior Architect

Senior Account Executive

National Business Executive

Senior Account Executive - NCR Corporation

Senior Sales Executive

Director Business Development Retail Markets

National Account Manager

National Sales Manager

Divisional Sales Manager

Chief Revenue Officer

Executive Vice President - Head of International Markets

General Manager - U.S. & Canada

General Manager - Northern Europe

General Manager - Western Europe

Chief Operating Officer

Vice President & Bank Officer - Western Union Bank S.A. (Brazil)

Head of Products & Interim CIO

Cook

Salesforce

Akamai DNS

Oracle SPF

Outlook

Marketo

Microsoft Office 365

Senior Data Scientist - ML-Ops

Senior Software Engineer - Merchant Fraud

Senior Software Engineer - Postilion

Senior Software Engineer -  Performance

Performance Engineer

Leading banks, retailers, and processors need technology that adapts to the complex and challenging needs of their businesses. They want solutions that can respond quickly to changes in the marketplace and help grow with their business. For more than 20 years, S1 has been a leader in developing software solutions that deliver a competitive advantage.  Over 3,000 organizations worldwide depend on us for payments, online banking, branch banking and lending solutions to power their businesses. We provide payments solutions for ATM driving, card management, merchant acquiring and retail payments. Our company has local product development, delivery and support operations throughout the world including offices in (local regional offices).  More information is available at www.s1.com

S1 Corporation

Remote

Software Developer

National Facility of the National Research Foundation, located at two sites, one at Faure (Western Cape) and one on the campus of Wits University, Johannesburg (Gauteng). The Faure site houses a K=200 Separated Sector Cyclotron and a 6MV Van de Graaff accelerator. The Gauteng site has an EN Tandem Accelerator, as well as facilities for Neutron Activation Analysis and Environmental Isotope Analyses.

Barry-Michael Wyk

Senior Data Scientist - ML-Ops at ACI Worldwide

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ACI Worldwide

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