John Wang
Co-founder Chief Engineer at Dify
Suzhou City, Jiangsu, China
Summary
🤩
Rockstar🎓
Top SchoolJohn Wang is a co-founder and chief engineer with 11 years of experience building high-quality internet products from first principles, blending deep backend and database engineering with product-focused thinking. Based in Suzhou, he leads technical architecture and implementation at Dify, an open-source LLM app platform, where his hands-on work on database schema, API enhancements, and reliability have helped move prototypes toward production. Active on projects like Dify, he focuses on making complex, high-value AI technologies accessible and stable for global users. Starting with community-driven web work in 2002, he brings a long-standing passion for user-facing internet products paired with pragmatic engineering discipline.
11 years of coding experience
Bachelor, Bachelor at Nanjing University of Posts and Telecommunications
Github Skills (13)
postgresql10
sql10
db-schema9
database-schema9
python9
apidoc9
schema9
database-design9
api9
schema-design9
database-administration9
uuid9
alembic8
Programming languages (10)
Github contributions (5)
langgenius/dify
Apr 2023 - Jan 2025
Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.
Role in this project:
Back-end & Database Engineer
Back-end & Database EngineerContributions:84 releases, 1026 reviews, 1389 PRs in 1 year 9 months
Contributions summary:John primarily focused on back-end development and database-related tasks within the Dify repository. Their commits demonstrate the implementation of database schema changes, including the creation and dropping of database extensions for UUID generation. The user also addressed database-related bug fixes and import issues, solidifying their role as someone responsible for the database infrastructure and its proper functioning. Additionally, their work includes enhancements to the API's codebase, showing a strong connection to the system's backend.
agentaianthropicbackend-as-a-servicechatbot
takatost/dify
Feb 2024 - Jun 2024
An Open-Source Assistants API and GPTs alternative. Dify.AI is an LLM application development platform. It integrates the concepts of Backend as a Service and LLMOps, covering the core tech stack required for building generative AI-native applications, including a built-in RAG engine.
Contributions:105 pushes, 2 branches in 3 months
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