Backend Engineer - Python

Cloud Analytics Technologies, LLC; Dallas (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

CLOUD ANALYTICS TECHNOLOGIES LLC is seeking a senior backend engineer to develop and maintain the AI agent backend, including APIs, scrapers, and database connectors. You will implement orchestration with LangChain or CrewAI and optimize data ingestion using vector databases to ensure accurate context for agents.

Responsibilities include asynchronous task management with FastAPI/Asyncio, building secure REST/GraphQL interfaces, and enforcing guardrails to keep autonomous actions safe and

Qualifications

• 8+ years of professional Python experience with FastAPI, Pydantic, and Asyncio.

Responsibilities

• Develop and maintain backend tools and APIs used by AI agents.
• Implement orchestration frameworks (LangChain, LangGraph, CrewAI) for multi-agent coordination.
• Build and optimize RAG pipelines with vector databases for correct context retrieval.
• Manage asynchronous tasks using FastAPI/Asyncio and queues like Celery or Redis.
• Design secure, high-performance REST or GraphQL APIs interfacing frontend and agent backends.
• Enforce backend safety and guardrails to keep autonomous actions within policy.

Skills

Python

FastAPI

Asyncio

LangChain

LlamaIndex

Git

CI/CD

REST/GraphQL APIs

Distributed systems

Tools

PostgreSQL

Vector Databases

Docker

Kubernetes

AWS

Azure

GCP

LangSmith

Arize Phoenix

LangChain

LlamaIndex

FastAPI

Pydantic

Redis

Celery

Job description

• Agent Logic & Tooling:Develop and maintain the backend "tools" (APIs, scrapers, database connectors) that AI agents use to perform tasks.
• Orchestration Implementation:Use frameworks likeLangChain, LangGraph, or CrewAIto implement complex reasoning chains and multi-agent coordination.
• RAG Pipeline Engineering:Build and optimize data ingestion and retrieval systems usingVector 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 Requirements

• Python Expertise:8+ years of professional experience withPython, specifically withFastAPI, Pydantic, and Asyncio.
• AI Frameworks:Hands-on experience withLangChainorLlamaIndex.
• Database Management:Proficiency inPostgreSQLand experience withVector Databases.
• Cloud & DevOps:Experience deploying containerized applications usingDockerandKuberneteson 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 Qualifications

• Knowledge ofPrompt Engineeringfrom a programmatic perspective (dynamic prompt templating).
• Familiarity with observability tools for AI, such asLangSmithorArize Phoenix.

CLOUD ANALYTICS TECHNOLOGIES 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. CLOUD ANALYTICS TECHNOLOGIES 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 CLOUD ANALYTICS TECHNOLOGIES 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

Equal Opportunity Employer CLOUD ANALYTICS 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. CLOUD ANALYTICS 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 CLOUD ANALYTICS 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

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