Julian Tellez is a Senior Software Engineer based in London with roughly ten years of experience, specializing in high-performance streaming systems and real-time services. At Sky, he leads efforts to enhance video experiences on chromium-based browsers, developing adaptive bitrate algorithms, refining bandwidth estimation, and optimizing buffering and latency. Previously at Utility Warehouse he implemented cloud-native architectures using Kubernetes, Docker and Kafka, with a strong focus on observability via Prometheus and Grafana. At DAZN, he expanded HTML5 playback across devices like Xbox, SkyQ, FireStick, and smart TVs, and contributed to video players including Shaka, dashplayer, and exoPlayer while shaping streaming protocols and CDN strategies. Earlier roles at Plentific showcased full-stack capability with isomorphic landing pages, a React-based email service, a B2B dashboard, and a payments service. With formal training in audio production from Middlesex University and SAE Institute, he brings a unique sensibility for media quality that informs scalable software engineering.
10 years of coding experience
10 years of employment as a software developer
Bachelor of Science (B.Sc.), Audio Production, 2.1, Bachelor of Science (B.Sc.), Audio Production, 2.1 at Middlesex University
Audio Engineering Diploma, Audio Production, Audio Engineering Diploma, Audio Production at SAE Institute London
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