Backend Engineer - Python

Cloud Analytics Technologies, LLC; Dallas (TX); On-site; USD 120,000 - 150,000; Full time

Job summary

A leading tech company in Dallas, TX, is seeking a backend developer to create tools for AI agents. The ideal candidate will have over 8 years of experience in Python, specializing in FastAPI and Asyncio, as well as expertise in deploying applications using Docker and Kubernetes. Responsibilities include developing APIs, managing asynchronous tasks, and optimizing data retrieval systems. This role offers competitive compensation and a dynamic work environment.

Qualifications

• 8+ years of professional experience with Python, specifically with FastAPI, Pydantic, and Asyncio.
• Hands-on experience with AI frameworks like LangChain or LlamaIndex.
• Proficiency in PostgreSQL and experience with Vector Databases.
• Experience deploying containerized applications using Docker and Kubernetes on AWS, Azure, or GCP.

Responsibilities

• Develop and maintain backend tools (APIs, scrapers, database connectors) for AI agents.
• Implement complex reasoning chains and multi-agent coordination using frameworks.
• Optimize data ingestion and retrieval systems using Vector Databases.
• Manage long-running AI reasoning cycles using asynchronous Python.
• Design and implement secure, high-performance REST or GraphQL APIs.
• Implement backend-level validation and guardrails for agent actions.

Skills

Python expertise

FastAPI

Asynchronous programming

Database management

Docker

Kubernetes

Git

Tools

PostgreSQL

Vector Databases

LangChain

LlamaIndex

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.

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.