On AI Lounge since Oct 2026

Zhongkai Fu

@zhongkaifuMember #526DeveloperL3
Developer, TensorSharp.ai
Builds TensorSharp · A native .NET LLM inference engine and agent runtime for GGUF models. TensorSharp provides
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Achievements · 2 of 20

Plugged In ×3Connected sources: GitHub, Hugging Face, LinkedIn, X, website.How: Connected 3 sources (GitHub, LinkedIn, X or a website) in SettingsEarned Oct 16, 2026
Plugged In×3Featured
Shipper ×2Projects on your profile.How: Added 5 projects to their profileEarned Oct 16, 2026
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Pinned projects

RNNSharp
Repo · 285 stars · C#
▲ 0
RNNSharp is a toolkit of deep recurrent neural network which is widely used for many different kinds of tasks, such as sequence labeling, sequence-to-sequence and so on. It's written by C# language and based on .NET framework 4.6 or above versions. RNNSharp supports many different types of networks, such as forward and bi-directional network, sequence-to-sequence network, and different types of layers, such as LSTM, Softmax, sampled Softmax and others.
c-sharpcrfdeep-learningdotnetlstmmachine-learning
Seq2SeqSharp
Repo · 215 stars · C#
▲ 0
Seq2SeqSharp is a tensor based fast & flexible deep neural network framework written by .NET (C#). It has many highlighted features, such as automatic differentiation, different network types (Transformer, LSTM, BiLSTM and so on), multi-GPUs supported, cross-platforms (Windows, Linux, MacOS), multimodal model for text and images and so on.
attention-modelcudadeep-learningencoder-decodergpuimage
CRFSharp
Repo · 127 stars · C#
▲ 0
CRFSharp is Conditional Random Fields implemented by .NET(C#), a machine learning algorithm for learning from labeled sequences of examples.
c-sharpcrfdotnetmachine-learningnlp
Txt2Vec
Repo · 67 stars · C#
▲ 0
Txt2Vec is a toolkit to represent text by vector. It's based on Google's word2vec project, but with some new features, such incremental training, model vector and so on.
MedChat
Repo · 1 star · C#
▲ 0
An AI powered medical chatbot
AdvUtils
Repo · 24 stars · C#
▲ 0
Advanced Utility Libs

About

Zhongkai Fu is a developer in Bellevue who builds TensorSharp, an open-source .NET inference engine and agent runtime for GGUF models. It includes a console app, a web chatbot, an iPhone app and Ollama and OpenAI-compatible APIs. Zhongkai is also a Principal AI Scientist and Engineer at Zoom. Earlier, Zhongkai wrote the .NET machine learning libraries Seq2SeqSharp, RNNSharp and CRFSharp.

Stack

QwenOllamaClaudeKimiGeminiGrokChatGPTLangGraphGemini CLIgpt-ossMuseDeepSeekGemmavLLM14 tools

Experience

Principal AI Scientist and Engineer
Zoom logo
Principal AI Scientist and Engineer · Zoom
Jan 2026 – PresentCurrent
Microsoft logo
Principal Applied Scientist · Microsoft
Jan 2025 – Jan 2025
Microsoft logo
Principal Applied Scientist · Microsoft
Jan 2019 – Jan 2025
Microsoft logo
Senior Technical Lead · Microsoft
Jan 2014 – Jan 2019
Microsoft logo
SDE Ii · Microsoft
Jan 2011 – Jan 2014
Baidu, Inc. logo
Senior NLP R&D Engineer · Baidu, Inc.
Sep 2008 – Apr 2011
Microsoft logo
Visiting Student · Microsoft
Jan 2008 – Aug 2008
Microsoft logo
Visiting Student · Microsoft
Jul 2005 – Sep 2006
Imported from LinkedIn.

Education

Beijing University of Technology logo
Beijing University of Technology
Masters, Computer Applications · 2006 – 2009
Beijing University of Technology logo
Beijing University of Technology
Bachelor Of Science, Computer Science · 2002 – 2006
Beijing Normal University logo
Beijing Normal University
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