Junjun Deng
Staff Software Engineer at Tubi
Greater Sydney Area Australia
Summary
👤
Senior🎓
Top SchoolJunjun Deng is a Staff Software Engineer with 14 years of experience building scalable services and ML infrastructure, currently shaping recommendation systems at Tubi. He blends polyglot engineering with pragmatic tool choice, having led microservice and CI transitions at startups and contributed core MLOps services like a user profile and recommendation orchestrator. A founder of consumer apps (Rewen.co, SameMo) and an open-source enthusiast, he authored an Android port of ImageMagick (200+ stars) and small language tools including a Haskell web framework and a Scheme interpreter in Scala. His background spans large platforms (Alibaba UC News) to product-led startups and academic work in AI, reflecting depth across backend, mobile, and ML systems. Known for fast adoption of cutting-edge tech, he has also contributed to projects such as the Rust compiler and TensorFlow, demonstrating a rare mix of systems-level rigor and product intuition. Based in Greater Sydney, he pursues innovation driven by passion and practical impact on people’s lives.
14 years of coding experience
10 years of employment as a software developer
Master of Science (MSc), Artificial Intelligence, Master of Science (MSc), Artificial Intelligence at University of Western SydneyBachelor of Engineering (B.E.), Computer Network Engineering, Bachelor of Engineering (B.E.), Computer Network Engineering at Sun Yat-Sen University
English, Chinese
Github Skills (200)
neural-network10
computer-vision10
data-science10
directed-acyclic-graph10
webrtc10
deep-neural-networks10
file-transfer10
python10
ml10
solve10
tensorflow10
machine-learning10
graphql10
rust10
bare10
Programming languages (17)
Github contributions (5)
lilac/fun
Feb 2022 - Jul 2022
Contributions:86 commits, 5 PRs, 5 pushes in 4 months
compilerprogramming-languageinterpreter
rabrain/ai-chat
Feb 2024 - Mar 2025
ChatGPT desktop app for Windows, Mac, and Linux
Contributions:11 releases, 31 PRs, 37 pushes in 1 year
aiai-chatai-chatbotchatchatbot
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