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Hi, I'm Qi Chen, an independent developer and AI researcher with a passion for advancing language models and AI applications. I have experience working as a Senior Algorithm Engineer at Ping An Technology, an Associate Data Engineer at Tesla, and a Data Engineer at Leqee. I am fluent in Mandarin, Japanese, and English, and enjoy contributing to open-source projects and engaging with the AI community. With a solid background in data science, combined with hands-on expertise in AI deployments and full-stack project development, I love creating innovative solutions that combine AI research with real-world applications. When I'm not coding or experimenting with AI, I enjoy photography, gym, and playing guitar while singing.…Hi, I'm Qi Chen, an independent developer and AI researcher with a passion for advancing language models and AI applications. I have experience working as a Senior Algorithm Engineer at Ping An Technology, an Associate Data Engineer at Tesla, and a Data Engineer at Leqee. I am fluent in Mandarin, Japanese, and English, and enjoy contributing to open-source projects and engaging with the AI community. With a solid background in data science, combined with hands-on expertise in AI deployments and full-stack project development, I love creating innovative solutions that combine AI research with real-world applications. When I'm not coding or experimenting with AI, I enjoy photography, gym, and playing guitar while singing.

Qi Chen

AI Engineer, Data Scientist, Developer, +2

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Hi, I'm Qi Chen, an independent developer and AI researcher with a passion for advancing language models and AI applications. I have experience working as a Senior Algorithm Engineer at Ping An Technology, an Associate Data Engineer at Tesla, and a Data Engineer at Leqee. I am fluent in Mandarin, Japanese, and English, and enjoy contributing to open-source projects and engaging with the AI community. With a solid background in data science, combined with hands-on expertise in AI deployments and full-stack project development, I love creating innovative solutions that combine AI research with real-world applications. When I'm not coding or experimenting with AI, I enjoy photography, gym, and playing guitar while singing.…Hi, I'm Qi Chen, an independent developer and AI researcher with a passion for advancing language models and AI applications. I have experience working as a Senior Algorithm Engineer at Ping An Technology, an Associate Data Engineer at Tesla, and a Data Engineer at Leqee. I am fluent in Mandarin, Japanese, and English, and enjoy contributing to open-source projects and engaging with the AI community. With a solid background in data science, combined with hands-on expertise in AI deployments and full-stack project development, I love creating innovative solutions that combine AI research with real-world applications. When I'm not coding or experimenting with AI, I enjoy photography, gym, and playing guitar while singing.

Available to hire

Hi, I’m Qi Chen, an independent developer and AI researcher with a passion for advancing language models and AI applications. I have experience working as a Senior Algorithm Engineer at Ping An Technology, an Associate Data Engineer at Tesla, and a Data Engineer at Leqee. I am fluent in Mandarin, Japanese, and English, and enjoy contributing to open-source projects and engaging with the AI community.

With a solid background in data science, combined with hands-on expertise in AI deployments and full-stack project development, I love creating innovative solutions that combine AI research with real-world applications. When I’m not coding or experimenting with AI, I enjoy photography, gym, and playing guitar while singing.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Japanese

Advanced

English

Advanced

Work Experience

AI Engineer at Independent R&D Projects in Language Models (Remote)

January 1, 2023 - Present

Fine-tuned and deployed domain-specific large language models (LLMs) on Hugging Face, achieving 1,000+ community downloads. Demonstrated expertise in LoRA, QLoRA, and 4-bit quantization techniques. Created and published academic datasets used by researchers. Engineered full-stack AI projects, including Deep Research Agent and Model Context Protocol servers, with skills in Python and deployment. Developed and launched an iOS app integrating on-device ML and computer vision for an intelligent cooking assistant, covering full product delivery. Shared open-source contributions, technical articles, and hackathon-winning prototypes publicly verifiable on GitHub and other platforms.

Senior Algorithm Engineer at Ping An Technology

November 30, 2022 - July 22, 2025

Engineered a production-level insurance dialogue system leveraging BERT-based intent recognition and fine-tuned GPT models for context-aware responses. Architected and deployed automated data processing pipelines using LLMs for named-entity recognition and key information extraction from unstructured documents, reducing manual entry. Led and authored two successful patent applications related to interactive response systems and automatic data extraction.

Associate Data Engineer at Tesla

November 30, 2021 - July 22, 2025

Analyzed, designed, developed, and delivered Enterprise Data Warehouse solutions supporting Sales, Delivery, Finance, and Insurance teams. Maintained ETL pipelines and provided BI platform support using Python and business intelligence tools.

Data Engineer at Leqee

September 30, 2021 - July 22, 2025

Developed and deployed NLP models to analyze customer feedback, achieving 96% accuracy in sentiment analysis and topic classification to inform marketing strategies. Designed multi-classification and multi-task NLP models using traditional and deep learning algorithms. Built a hierarchical data labeling system with data augmentation to improve model robustness. Created a time-series prediction model for operational task completion times supporting anomaly detection and resource planning.