Backend Engineer - Python

ResponsibilitiesAgent Logic & Tooling:Develop and maintain the backend "tools" (APIs, scrapers, database connectors) that AI agents use to perform tasks.Orchestration Implementation:Use frameworks like LangChain, LangGraph, or CrewAIto 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 GraphQL 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.Technical RequirementsPython Expertise:8+ years of professional experience with Python, specifically with FastAPI, Pydantic, and AsyncioAI Frameworks:Hands-on experience with LangChainor LlamaIndexDatabase Management:Proficiency in PostgreSQLand experience with Vector DatabasesCloud & DevOps:Experience deploying containerized applications using Dockerand Kuberneteson 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.Preferred QualificationsKnowledge of Prompt Engineeringfrom a programmatic perspective (dynamic prompt templating).Familiarity with observability tools for AI, such as LangSmithor Arize PhoenixQUANTUM 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. QUANTUM 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 QUANTUM 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 contractJ-18808-Ljbffr