vfive
Sydney, New South Wales, Australia
Summary
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SeniorJinjun Sun is a Senior AI Software Engineer based in Sydney with 11 years of experience building and deploying enterprise-scale ML systems across government and commercial sectors. He has driven measurable impact—often improving model performance and processing efficiency by 20–40%—through work at IP Australia, Qantas Loyalty and multiple Australian agencies, applying LLaMA 3, Vision Transformers and advanced MLOps on AWS/Azure. Equally comfortable in research and production, he holds a PhD in Physics and has translated academic rigor into scalable pipelines, agentic AI applications, and computer vision solutions for trademark and earth-observation problems. An AWS Certified ML Specialist and polyglot engineer, he blends deep PyTorch expertise with infrastructure automation (EMR, Spark, Docker, CI/CD) and front-end integration experience. Notably, his career spans roles from postdoctoral research to enterprise AI platform engineering, giving him a rare combination of scientific modeling and production-grade system design.
11 years of coding experience
Github Skills (200)
language-model10
gradient-descent10
python10
http10
resolver10
deep-learning10
gpu10
flask10
distributed-training10
data-exploration10
genetic-algorithm10
video-conversion10
data-engineering10
data-analytics10
data-viz10
Programming languages (17)
Github contributions (5)
fivejjs/dspy
Jun 2024 - Jan 2026
DSPy: The framework for programming—not prompting—foundation models
Contributions:24 pushes in 1 year 7 months
digitalearthafrica/dea_ai_core
Dec 2020 - Mar 2021
digital earth ai core with Airflow
Contributions:1 release, 1 review, 19 PRs in 3 months
aiairflow
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