Backend Engineer - Python

• Agent Logic & Tooling:Develop and maintain the backend "tools" (APIs, scrapers, database connectors) that AI agents use to perform tasks.
• Orchestration Implementation:Use frameworks like
  Lang Chain, Lang Graph, or CrewAI
  to implement complex reasoning chains and multi-agent coordination.
• RAG Pipeline Engineering:Build and optimize data ingestion and retrieval systems using
  Vector Databases
  , ensuring the agent has the right context at the right time.
• Asynchronous Task Management:Manage long-running AI reasoning cycles using asynchronous Python (FastAPI/Asyncio) and task queues like Celery or Redis.
• API Architecture:Design and implement secure, high-performance REST or Graph
  
  QL APIs that serve as the interface between the agentic backend and the frontend.
• Safety & Guardrails:Implement backend-level validation and guardrails to ensure that autonomous agent actions remain within secure and ethical boundaries.

• Python Expertise:8+ years of professional experience with
  Python
  , specifically with
  FastAPI, Pydantic, and Asyncio
  .
• AI Frameworks:Hands-on experience with
  Lang Chain
  or
  Llama Index
  .
• Database Management:Proficiency in
  PostgreSQL
  and experience with
  Vector Databases
  .
• Cloud & Dev Ops:Experience deploying containerized applications using
  Docker
  and
  Kubernetes
  on AWS, Azure, or GCP.
• Scalability:Understanding of distributed systems and how to handle the high latency and compute requirements of LLM-based applications.
• Version Control:Mastery of Git and CI/CD best practices.

• Knowledge of
  Prompt Engineering
  from a programmatic perspective (dynamic prompt templating).
• Familiarity with observability tools for AI, such as
  Lang Smith
  or
  Arize Phoenix
  .

AI TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. AI TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters.

Nor will AI TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract.