Senior AI Engineer: LLMs, RAG & Enterprise AI

SEI; Upper Providence Township (PA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Healthcare benefits

401(k) match

Education assistance

Parental leave

Paid time off

Job summary

SEI is seeking a Software Engineer, Data Scientist to join our Enterprise Artificial Intelligence team. This role targets a technically driven builder who pushes AI innovation into enterprise-scale solutions.

You will design and implement LLM-powered apps, RAG pipelines, and intelligent assistants, while ensuring governance, security, and scalable delivery across SEI’s business units. Collaborate with cross-functional teams to move ideas to production rapidly.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Data Science, or equivalent practical experience.
• At least 3 years of Python development skills with a strong understanding of software engineering principles and enterprise architecture.
• Hands-on experience building and deploying LLM-powered applications in production environments.

Responsibilities

• Design, architect, and develop enterprise-grade AI applications using LLMs, agentic frameworks, RAG architectures, and emerging AI technologies.
• Build production-ready AI solutions from concept to deployment, driving adoption across business and technology teams.
• Develop intelligent assistants, copilots, autonomous agents, workflow automations, and knowledge-based AI systems.
• Design and optimize RAG pipelines, vector databases, knowledge graphs, semantic search solutions, and document intelligence systems.
• Rapidly prototype innovative AI capabilities and convert promising concepts into scalable enterprise platforms.
• Evaluate emerging AI tools, models, frameworks, and open-source technologies to identify opportunities that accelerate SEI’s AI strategy.
• Build robust APIs, integrations, orchestration layers, and backend services that enable AI capabilities across the enterprise.
• Implement AI governance, security, observability, testing, and monitoring practices throughout the solution lifecycle.
• Contribute to AI platform strategy, reusable accelerators, development frameworks, and enterprise AI architecture.
• Stay continuously current on advancements in Generative AI, agentic systems, reasoning models, multimodal AI, open-source ecosystems, and enterprise AI engineering.

Skills

Python development

LLM/AI systems

Generative AI

RAG architectures

AI agents

Education

Bachelor’s degree in Computer Science or related field

Tools

LangChain

LangGraph

Semantic Kernel

LlamaIndex

AutoGen

CrewAI

OpenAI

Azure AI Foundry

Anthropic

Open-source LLM platforms

Job description

SEI is seeking a Software Engineer, Data Scientist to join our Enterprise Artificial Intelligence team. This role targets a technically driven builder who pushes AI innovation into enterprise-scale solutions.

You will design and implement LLM-powered apps, RAG pipelines, and intelligent assistants, while ensuring governance, security, and scalable delivery across SEI’s business units. Collaborate with cross-functional teams to move ideas to production rapidly.