Gen AI Engineer: LLMs, RAG, LangChain & Vector DBs

Ethereum Technologies LLC; Quincy (MA); On-site; USD 120,000 - 190,000; Full time

Job summary

Ethereum Technologies is seeking engineers skilled in Python or Java and hands-on with Generative AI. You will work on RAG architectures, prompt engineering, and context management across distributed systems and microservices.

Familiarity with LangChain, vector databases, and cloud platforms will be essential. Proficiency in ML/NLP basics and modern DevOps practices with Docker, Kubernetes, and Git is expected.

Qualifications

• Strong programming skills in Python or Java.
• Hands-on experience with Generative AI and Large Language Models (LLMs).
• Strong understanding of RAG architecture and implementation.
• Experience with prompt engineering and context management.
• Hands-on experience with LangChain, LangGraph, or LlamaIndex.
• Experience with vector databases such as Pinecone, FAISS, Chroma, or Weaviate.
• Knowledge of REST APIs, microservices, and distributed systems.
• Experience with machine learning and NLP fundamentals.
• Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Experience with Docker, Kubernetes, Git, and CI/CD pipelines.

Skills

Python

Java

Generative AI

LLMs

RAG

Prompt engineering

Context management

REST APIs

Microservices

Distributed systems

Machine learning fundamentals

NLP fundamentals

AWS

Azure

GCP

Docker

Kubernetes

Git

CI/CD

Tools

LangChain

LangGraph

LlamaIndex

Pinecone

FAISS

Chroma

Weaviate

Job description

Ethereum Technologies is seeking engineers skilled in Python or Java and hands-on with Generative AI. You will work on RAG architectures, prompt engineering, and context management across distributed systems and microservices.

Familiarity with LangChain, vector databases, and cloud platforms will be essential. Proficiency in ML/NLP basics and modern DevOps practices with Docker, Kubernetes, and Git is expected.