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Headquarters Norcross, GA
Size 1000 to 5000 Employees
Founded Unknown
Type Subsidiary or Business Segment
Industry Information Technology
Revenue $100 to $500 million (USD) per year

S1 loves dealing with big numbers. More than 3,000 banks, retailers, and payment processors use its software to offer online banking, provide online transaction services, process electronic payments and transactions, and automate call center customer interactions. Products include banking, investment, wealth management, and customer relationship management (CRM) applications. It offers systems for ATM, merchant, and retail payments, and its software is used in ATMs made by Diebold, NCR, and Travelex. S1 also offers installation, data center, and application hosting... More

Working at S1

Posted by employees

Employees say it's “OK”   52 ratings


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S1 CEO Philip G. Heasley

Philip G. Heasley


Good place to work

  Former Manager, Software Applications

Pros: Interesting technologies
Client base include some of the top financial companies in the world
Good work life balance most of the time
Full Review

More S1 Ratings & Reviews ( 52)

Salaries in USD  United States Avg. Salary

Software Developer

20 S1 Salaries


Software Developer IV

9 S1 Salaries


Software Engineer

8 S1 Salaries


= Salary Range

= Anonymous Salary Range

= Avg.

More S1 Salaries (117)

Accepted Offer – Interviewed in Charlotte, NC – Reviewed Feb 15, 2014

Interview Details – Contacted directly based on an employee referral. Hiring manager was direct and detailed regarding responsibilities, challenges, and growth opportunities. This initial interview was followed by an interview with the President of the interview and a group interview with team that would report to the…Full Interview

Interview Question:
Based on our described need and vision, what would your priorities and plans be for the first 90 days in this position? View Answer

More S1 Interview Questions & Reviews (7)

S1 Awards & Accolades

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