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I am a Machine-Learning Engineer specializing in LLM and multi-modal model fine-tuning, semantic search, RAG, and reinforcement-learning agents. I have a proven track record of shipping production ML/LLM services in Python and C++, and leading impactful cross-functional projects in both startup and enterprise environments. Currently, I am pursuing my Master's in Data Science at the University of Melbourne while working as an AI Engineer. I am passionate about developing scalable ML pipelines and deploying robust AI models to solve complex problems and enhance user experience.…I am a Machine-Learning Engineer specializing in LLM and multi-modal model fine-tuning, semantic search, RAG, and reinforcement-learning agents. I have a proven track record of shipping production ML/LLM services in Python and C++, and leading impactful cross-functional projects in both startup and enterprise environments. Currently, I am pursuing my Master's in Data Science at the University of Melbourne while working as an AI Engineer. I am passionate about developing scalable ML pipelines and deploying robust AI models to solve complex problems and enhance user experience.

Aston Jin

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I am a Machine-Learning Engineer specializing in LLM and multi-modal model fine-tuning, semantic search, RAG, and reinforcement-learning agents. I have a proven track record of shipping production ML/LLM services in Python and C++, and leading impactful cross-functional projects in both startup and enterprise environments. Currently, I am pursuing my Master's in Data Science at the University of Melbourne while working as an AI Engineer. I am passionate about developing scalable ML pipelines and deploying robust AI models to solve complex problems and enhance user experience.…I am a Machine-Learning Engineer specializing in LLM and multi-modal model fine-tuning, semantic search, RAG, and reinforcement-learning agents. I have a proven track record of shipping production ML/LLM services in Python and C++, and leading impactful cross-functional projects in both startup and enterprise environments. Currently, I am pursuing my Master's in Data Science at the University of Melbourne while working as an AI Engineer. I am passionate about developing scalable ML pipelines and deploying robust AI models to solve complex problems and enhance user experience.

Available to hire

I am a Machine-Learning Engineer specializing in LLM and multi-modal model fine-tuning, semantic search, RAG, and reinforcement-learning agents. I have a proven track record of shipping production ML/LLM services in Python and C++, and leading impactful cross-functional projects in both startup and enterprise environments.

Currently, I am pursuing my Master’s in Data Science at the University of Melbourne while working as an AI Engineer. I am passionate about developing scalable ML pipelines and deploying robust AI models to solve complex problems and enhance user experience.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Chinese

Advanced

Work Experience

AI Engineer at DOOR Global

October 1, 2024 - Present

Developed and deployed an end-to-end storytelling engine using LoRA-tuned Llama-3 and Stable Diffusion XL with ControlNet for rendering frames. Managed deployment on AWS EKS with GPU Spot autoscaling, achieving 350 ms latency P95 during 8× traffic spikes. Created a unified inference gateway compatible with OpenAI and Gemini APIs, handling approximately 12,000 daily calls.

ML / Algorithm Intern at Shanghai Aijia Intelligent Technology

June 30, 2023 - August 11, 2025

Delivered a technical proof-of-concept securing $500k in Sequoia angel funding as a core member of a 6-person founding team. Developed cryptographic side-channel classifiers using Rust and scikit-learn, achieving 91% F1 score.