Senior GenAI Engineer - Enterprise LLM & RAG Expert

Apptad Inc; Newark (DE); On-site; USD 140,000 - 190,000; Full time

Job summary

Apptad Inc. is seeking an experienced Generative AI Engineer to design, develop, deploy, and support AI solutions in production environments. You will work with LLMs, RAG, prompt engineering, AI agents, and vector databases to deliver enterprise-grade GenAI applications for business users.

You will build production-ready apps using models like GPT, Claude, Gemini, Llama, or similar, and implement LangChain-based workflows, model evaluation, and governance to ensure secure, scalable solutions.

Qualifications

• Experience with LLMs, RAG, prompt engineering and AI agents.
• Hands-on with vector databases and cloud-based AI platforms.
• Proven delivery of enterprise-grade GenAI applications in production.

Responsibilities

• Design, develop, and deploy Generative AI solutions for enterprise use cases.
• Build production-ready apps using LLMs such as GPT, Claude, Gemini, Llama, or similar.
• Develop RAG-based solutions with vector databases like FAISS, ChromaDB, or Azure AI Search.
• Implement prompt engineering, tuning, and evaluation frameworks.
• Integrate AI apps with enterprise systems, APIs, databases, and cloud platforms.
• Monitor production AI apps for performance, accuracy, latency, and cost.
• Design AI agents and workflows with LangChain, LangGraph, LlamaIndex, AutoGen, or Semantic Kernel.
• Ensure responsible AI, governance, security and compliance.
• Collaborate with stakeholders to deliver scalable AI solutions and resolve issues.

Skills

LLMs

Prompt engineering

AI agents

Vector databases

Production deployment

Cloud AI platforms

Tools

FAISS

ChromaDB

Azure AI Search

Pinecone

LangChain

LangGraph

LlamaIndex

AutoGen

Semantic Kernel

Job description

Apptad Inc. is seeking an experienced Generative AI Engineer to design, develop, deploy, and support AI solutions in production environments. You will work with LLMs, RAG, prompt engineering, AI agents, and vector databases to deliver enterprise-grade GenAI applications for business users.

You will build production-ready apps using models like GPT, Claude, Gemini, Llama, or similar, and implement LangChain-based workflows, model evaluation, and governance to ensure secure, scalable solutions.