Middle+/Senior Python Developer (FastAPI)

A stealth RetailTech startup is looking for a skilled Python Developer to work on LLMs and RAG systems in a SaaS environment.
 

Requirements:

• Commercial experience 5+ years with Python
• Strong experience with FastAPI
• Knowledge of LLMs and RAG systems
• Direct collaboration with the founder
• English level Upper-intermediate and higher
  
  Responsibilities:
• Develop and optimize FastAPI-based backend services
• Implement and fine-tune LLMs and RAG systems for retail applications
• Design and maintain scalable APIs for AI-driven SaaS solutions
• Collaborate with the founder on architectural decisions
• Ensure high performance and security of the system
• Work with cloud infrastructure to deploy and scale AI models
   

The company is a SaaS startup focused on AI-driven solutions.
Work primarily in the East Coast timezone.