Python Backend Engineer (AI Security)

Summary

Responsibilities

• Design and implement secure backend services using Python 3.11+, focusing on asynchronous processing and high-performance API development.
  
• Develop and maintain database schemas utilizing SQLModel and SQLite, ensuring efficient data flow and schema management.
  
• Architect system components following C4 principles, creating clear Data Flow Diagrams (DFDs) to visualize and secure data interactions.
  
• Integrate and manage LLM APIs from providers such as OpenAI and Anthropic, ensuring secure and reliable communication.
  
• Implement vector search functionalities and manage embeddings using ChromaDB to support advanced AI retrieval tasks.
  
• Build comprehensive test suites using pytest and pytest-asyncio to validate the reliability and security of asynchronous code.
  
• Collaborate with cross-functional teams to refine architecture and ensure alignment with security best practices for AI applications.
  

• 6-9 years of professional experience in backend development within the IT Services sector.
  
• Proficiency in Python 3.11+ with a strong command of backend development principles.
  
• Extensive experience with FastAPI, including the use of async/await patterns and asyncio for high-concurrency applications.
  
• Solid expertise in SQLModel and SQLite, with a proven ability to manage complex database schemas.
  
• Demonstrated knowledge of testing frameworks, specifically pytest and pytest-asyncio.
  
• Familiarity with C4 Architecture methodology and the ability to produce detailed Data Flow Diagrams.
  
• Hands-on experience with AI technologies, including working with embeddings, vector search, and ChromaDB.
  
• Practical experience integrating and managing LLM APIs from major providers like OpenAI or Anthropic.