Julian Tellez
Senior Software Engineer at Sky
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolJulian Tellez is a Senior Software Engineer based in London with a decade of experience designing cloud-native, resilient backend systems and video streaming infrastructure. He brings deep expertise in Go, TypeScript/JavaScript and Rust, and has driven measurable improvements in playback performance—ABR algorithms, bandwidth estimation and buffer management—across major broadcasters and streaming platforms. A founder of a consultancy, he pairs product-focused engineering with client-facing delivery, helping startups and enterprises translate business needs into scalable systems. Julian has a strong track record in distributed systems, Kubernetes, Kafka and observability, and mentors teams to raise engineering standards. His background in audio production gives him a practical appreciation for real-time media constraints, informing his work on low-latency playback and cross-device compatibility.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science (B.Sc.) Audio Production, Bachelor of Science (B.Sc.) Audio Production at Middlesex UniversityAudio Engineering Diploma Audio Production, Audio Engineering Diploma Audio Production at SAE Institute London
English, Spanish
Stackoverflow
832reputation
204kreached
11answers
0questions
Github Skills (88)
middleware9
lambda-functions9
babel-loader9
lambda9
command-line-tool9
plugin9
webpack-plugin9
aws9
react9
scaffold9
aws-lambda9
shell8
cli8
kubernetes-cluster8
serverless8
Programming languages (8)
Github contributions (5)
freemiumvpn/fpn-app
Nov 2020 - May 2021
https://freemiumpn.com/ The Freemium VPN client
Contributions:53 commits, 103 PRs, 100 pushes in 5 months
vpn-client
atlantic-blue/maistro
Apr 2024 - Nov 2025
Contributions:49 PRs, 152 pushes, 58 branches in 1 year 7 months
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