Callista
Stephen White is a technical lead at Evinova, focusing on the Unify platform with expertise in React Native and universal components. With extensive experience as an IT Architect and Mobile Developer at Callista, Stephen has contributed to Volvo Cars as a Mobile/Frontend lead for an Expo/React Native app related to EV energy management. Previous roles include Mobile Application Developer positions at Hiber and Recorded Future, where work involved developing a mobile app offering real-time threat intelligence. Earlier in the career, Stephen served as a Frontend Architect at Telenor Connexion, working on an AWS Serverless IoT platform, and held various roles in Java development and architecture within Volvo and Ericsson. Stephen holds an AWS Developer Associate certification and a degree from the University of Brighton.
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Callista
We are consultants with technical expertise in IT Architecture, Open Source Technology, Agile Development and the Java Platform. We work in exciting and strategic projects, where we help our customers maximize return on IT investment by using leading edge technology. We offer a complete ran ge of services to establish, implement and maintain mission critical IT Systems. The company was founded in 2000, and is 100% employee owned. IT Architecture is our core business. Every consultant at Callista is an experienced IT architect and/or a proficient senior developer. We offer expertise in Cloud Technology & Microservices, Frontend, Technology Transition and e-Health.