Senior AI Backend Engineer: LLM Orchestration & Pipelines

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

Job summary

VALIANT TECHNOLOGIES LLC in Dallas is seeking a senior backend engineer to develop and maintain the AI agent infrastructure, including APIs, scrapers, and data connectors. You will implement orchestration using LangChain and similar frameworks, and build robust RAG pipelines with vector databases.

You will manage asynchronous workloads with FastAPI/Asyncio and contribute to secure REST/GraphQL APIs, while enforcing guardrails and secure deployment practices on AWS/Azure/GCP.

Qualifications

• 8+ years of professional Python experience with FastAPI, Pydantic, and asyncio.
• Hands-on experience with LangChain or LlamaIndex.
• Proficient in PostgreSQL and vector databases.
• Experience deploying containerized apps with Docker and Kubernetes on cloud platforms.
• Understanding of distributed systems and high latency / compute needs of LLM apps.
• Mastery of Git and CI/CD practices.

Responsibilities

• Develop and maintain backend tools, APIs, scrapers, and data connectors used by AI agents.
• Implement orchestration with LangChain, LangGraph, or CrewAI for complex reasoning and multi-agent coordination.
• Build and optimize RAG pipelines with vector databases to ensure context availability.
• Handle asynchronous task management using FastAPI/Asyncio and task queues like Celery or Redis.
• Design secure, high-performance REST/GraphQL APIs connecting backend to frontend.
• Implement backend safety guardrails to ensure autonomous agent actions stay within policy/ethics.

Skills

Python

FastAPI

Asyncio

Pydantic

LangChain

LlamaIndex

PostgreSQL

Vector Databases

Docker

Kubernetes

AWS

Azure

GCP

Git

CI/CD

Distributed Systems

Tools

LangChain

LlamaIndex

PostgreSQL

Vector Databases

Docker

Kubernetes

AWS

Azure

GCP

Git

CI/CD

FastAPI

Job description

VALIANT TECHNOLOGIES LLC in Dallas is seeking a senior backend engineer to develop and maintain the AI agent infrastructure, including APIs, scrapers, and data connectors. You will implement orchestration using LangChain and similar frameworks, and build robust RAG pipelines with vector databases.

You will manage asynchronous workloads with FastAPI/Asyncio and contribute to secure REST/GraphQL APIs, while enforcing guardrails and secure deployment practices on AWS/Azure/GCP.