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Walmart AI Pioneer Leaves for Startup
4 Aug
Summary
- Top Walmart engineer Michael Pfaffenberger has resigned after nearly five years.
- He created Walmart's popular AI coding tool, Code Puppy, now open-sourced.
- Pfaffenberger is joining the AI startup Pydantic.
- Code Puppy has been downloaded over 496,000 times globally.
Michael Pfaffenberger, a distinguished engineer at Walmart, has departed the retail giant after a tenure of nearly five years. He is best known for creating Code Puppy, an AI-powered internal tool designed to assist with coding tasks.
Code Puppy, which has seen exponential growth in users and has been downloaded over 496,000 times globally since its open-sourcing, will continue to be developed by Pfaffenberger's colleagues. This transition occurs shortly before Walmart's earnings report, and follows other recent leadership changes within the company.
Pfaffenberger expressed joy in improving colleagues' work lives through Code Puppy. He confirmed the tool's continued operation and support from his team, including Ryan Eccles and John Choi. His decision to leave marks a significant career shift, and he is reportedly joining the artificial intelligence startup Pydantic.
Pydantic's CTO, David Montague, welcomed Pfaffenberger, highlighting his experience with enterprise-level AI tools. Code Puppy's versatility allows it to work with multiple AI models from various providers, differentiating it from competitors like OpenAI's Codex and Anthropic's Claude Code. This innovation has democratized technology access across Walmart departments, from merchandising to store management.
