Senior Python AI Developer - GenAI, RAG & API Expert

Ethereum Technologies; Wilmington (DE); On-site; USD 120,000 - 180,000; Full time

Job summary

Ethereum Technologies is seeking a seasoned Python AI Developer to design and build AI-driven applications, data pipelines, and microservices. You will implement RAG techniques and orchestrate AI agents with LangChain, LangGraph, or CrewAI, and integrate LLMs with vector stores and external REST APIs.

The role requires deep Python expertise, experience with GenAI/NLP, and familiarity with FastAPI/Flask/Django, plus MLOps, Git, and Docker for production deployments on cloud platforms.

Qualifications

• 7+ years of total software experience with Python.
• Hands-on experience with GenAI, NLP, prompt engineering, and vector stores.
• Knowledge of web frameworks such as FastAPI, Flask, or Django.
• Familiarity with MLOps practices, Git version control, and containerization.

Responsibilities

• Design and build AI-driven applications, data pipelines, and microservices using Python.
• Implement Retrieval-Augmented Generation (RAG) and orchestrate AI agents using tools like LangChain, LangGraph, or CrewAI.
• Integrate Large Language Models (LLMs) with enterprise vector databases and external REST APIs.
• Optimize backend performance and deploy production-ready code via Docker and cloud platforms (AWS, Azure, GCP).

Skills

Python

GenAI

NLP

Prompt engineering

Vector stores

Backend APIs

Tools

LangChain

LangGraph

CrewAI

FastAPI

Flask

Django

Docker

AWS

Azure

GCP

Git

REST APIs

Job description

Ethereum Technologies is seeking a seasoned Python AI Developer to design and build AI-driven applications, data pipelines, and microservices. You will implement RAG techniques and orchestrate AI agents with LangChain, LangGraph, or CrewAI, and integrate LLMs with vector stores and external REST APIs.

The role requires deep Python expertise, experience with GenAI/NLP, and familiarity with FastAPI/Flask/Django, plus MLOps, Git, and Docker for production deployments on cloud platforms.