Worldline
Tracy Cui is a seasoned DevOps professional with extensive experience in the technology sector. Currently a DevOps Engineer at Worldline since 2025, Tracy is focused on development and maintenance using Python and Java, alongside managing infrastructure in AWS with Terraform and CloudFormation. Prior experience at Ericsson from February 2009 to 2024 includes roles such as DevOps Lead and Delivery PM, where Tracy led teams in the commissioning and decommissioning of data center projects across multiple cloud platforms. Additional responsibilities encompassed strategic transformation for Cloud RAN solutions, enhancing development environment availability, and leading support teams for extensive testing environments. Tracy's career began at Nokia Bell Labs as a Software Developer/Tester, where contributions were made to core functionalities using C/C++. Tracy holds a Master’s degree in Datorapplikation and a Bachelor of Applied Science in DatorVetenskap from Jilin University, complemented by further education at Hyper Island and other institutions in 2024.
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Worldline
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Worldline SA, formerly Atos Worldline SAS, is a France-based company providing payment and transaction services. The Company creates and operates digital platforms which handle all transactions between companies, their partners and customers. Its solutions are divided into three segments: Merchant Services & Terminals, comprising services, solutions and implementation in the areas of payment terminals, multichannel payment acceptance, non-cash payments, private label cards, loyalty services and e-commerce; Mobility & eTransactional Services, engaged in creation of digital products such as e-tickets, e-government collection platforms, and contact and consumer cloud platforms, among others; and Financial Processing & Software Licensing, which provides payment processing, acquiring and issuing processing, online banking solutions, and software solutions. The Company is active internationally through its subsidiaries such as, PaySquare SE, Santeos SA, MRL Postnet, among others.