Varun Vij is a software and networking architect focused on open networking technologies and
AI infrastructure platforms. Currently at Upscale AI as Director, Product Management, Varun
works across open network operating systems like SONiC, and next generation accelerator-
interconnect standards such as UALink, helping customers deploy scalable, high-performance
AI environments. Previously, he spent nearly eight years at Apple as a Software Architect
contributing to network virtualization, data plane development, and private cloud infrastructure.
Earlier, he held senior engineering roles at Juniper Networks supporting hyperscale and
enterprise data center platforms. With deep experience across software engineering and large-
scale networking operations, he brings practical insight into deploying SONiC for modern AI
networks. Outside work, he enjoys staying active, watching sports, and supporting his
daughter’s basketball team.