Backend Engineer - Python

Cloud Hybrid Technologies LLC; Dallas, Northern (TX, KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Cloud Hybrid Technologies is seeking a senior backend engineer to develop and maintain the AI agent tooling stack, including APIs, scrapers, and database connectors. You will help orchestrate complex reasoning chains and ensure scalable data pipelines.

You will work with LangChain, LangGraph, or CrewAI, implement vector databases, asynchronous task management with FastAPI/Asyncio, and design secure REST/GraphQL interfaces. Strong cloud DevOps experience and Git/CI/CD are essential.

Qualifications

• 8+ years professional Python experience with FastAPI, Pydantic, and Asyncio.
• Hands-on experience with LangChain or LlamaIndex.
• Proficiency in PostgreSQL and vector databases.
• Experience deploying containerized apps on AWS/Azure/GCP with Docker and Kubernetes.
• Understanding of distributed systems and high latency/compute needs of LLM apps.
• Git mastery and CI/CD best practices.

Responsibilities

• Develop and maintain backend tools (APIs, scrapers, connectors) for AI agents.
• Implement multi-agent orchestration using LangChain, LangGraph, or CrewAI.
• Build data ingestion/retrieval systems with vector databases for correct context.
• Manage asynchronous reasoning cycles with FastAPI/Asyncio and Celery/Redis.
• Design secure, high-performance REST or GraphQL APIs between backend and frontend.
• Implement backend-level validation and guardrails for safe autonomous actions.

Skills

Python

FastAPI

Pydantic

Asyncio

LangChain

LlamaIndex

PostgreSQL

Vector databases

Distributed systems

CI/CD

Tools

Docker

Kubernetes

Git

CI/CD tooling

AWS

Azure

GCP

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 Hybrid 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 Hybrid 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 Hybrid require in a posting or otherwise U.S. citizenship or unlawful 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