GenAI/Python Developer — Scalable AI & LLM Orchestration

Photon; Irving (TX); On-site; USD 120,000 - 190,000; Full time

Job summary

Photon is seeking an experienced GenAI/Python Developer to design, build, and deploy production-grade GenAI applications and intelligent agent-based solutions. You will work with LangGraph, LangChain, LlamaIndex, and vector databases to create scalable retrieval-augmented generation systems.

You will integrate various commercial/open-source LLMs, fine-tune models, and optimize latency, cost, and reliability while delivering deployable backend services using Python, FastAPI, and CI/CD pipelines.

Qualifications

• Experience designing GenAI/pipeline-based applications for production.
• Strong Python development skills for backend AI services and APIs.
• Experience with retrieval augmented generation (RAG) and multi-agent architectures.

Responsibilities

• Design, develop, and orchestrate GenAI workflows using LangGraph, LangChain, and multi-agent architectures.
• Build and maintain RAG solutions with LlamaIndex and vector databases.
• Integrate multiple LLMs (OpenAI, Anthropic, Llama, Mistral) based on performance and cost.

Skills

GenAI

Python

LLM integration

Performance optimization

Tools

LangGraph

LangChain

LlamaIndex

Vector databases

Docker

CI/CD

Job description

Photon is seeking an experienced GenAI/Python Developer to design, build, and deploy production-grade GenAI applications and intelligent agent-based solutions. You will work with LangGraph, LangChain, LlamaIndex, and vector databases to create scalable retrieval-augmented generation systems.

You will integrate various commercial/open-source LLMs, fine-tune models, and optimize latency, cost, and reliability while delivering deployable backend services using Python, FastAPI, and CI/CD pipelines.