SEI Investments

Data Scientist II

SEI Investments • $110K — $130K *
Oaks, PA 19456In-Person
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Engineering, Data Science, or equivalent experience
  • 3+ years of Python development with strong software engineering skills
  • Hands-on experience deploying LLM-powered applications
  • Deep knowledge of Retrieval-Augmented Generation (RAG) and vector databases
  • Experience with modern AI frameworks like LangChain and OpenAI
  • Strong background in API development and cloud-native architectures
  • Understanding of AI governance, risk management, and enterprise deployment

Responsibilities

  • Design and develop enterprise-grade AI applications using LLMs and RAG
  • Build production-ready AI solutions from concept to deployment
  • Develop intelligent assistants, copilots, and workflow automations
  • Optimize RAG pipelines and document intelligence systems
  • Rapidly prototype AI capabilities into scalable platforms
  • Evaluate emerging AI technologies to enhance SEI's AI strategy
  • Implement AI governance and monitoring throughout the solution lifecycle
  • Contribute to enterprise AI architecture and reusable development frameworks

Benefits

  • Comprehensive healthcare (medical, dental, vision)
  • Life and disability insurance
  • 401(k) match and retirement plan
  • Education assistance including tuition reimbursement
  • Flexible Paid Time Off (PTO) and paid parental leave
  • Back-up childcare arrangements and paid volunteer days
  • Hybrid working environment and commuter benefits
  • Access to employee networks and investment options
Full Job Description

This role is designed for a highly technical builder who lives at the forefront of AI innovation and is passionate about transforming emerging technologies into enterprise-scale solutions.

The ideal candidate has expertisein Python, Generative AI, Retrieval-Augmented Generation (RAG), AI agents, LLM orchestration, and modern AI engineering practices. Theypossessthe rare combination of technical depth, creativity, business acumen, and execution excellencerequiredto rapidly design, build, and deliver AI solutions that drive measurable business impact.

This individual will serve as both a thought leader and technical catalyst, continuously evaluating emerging AI technologies while helping SEI translate innovation into secure, scalable, and widely adopted solutions.

What You Will Do

  • Design, architect, and develop enterprise-grade AI applicationsleveragingLarge Language Models (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 andoptimizeRAG 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 toidentifyopportunities 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.

What We NeedFromYou

  • 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.

Deep knowledge of:

  • Retrieval-Augmented Generation (RAG)
  • Vector databases

  • Embedding models

  • Semantic search architectures

  • Agentic AI frameworks

  • Prompt engineering

  • Model evaluation techniques

Experience with modern AI frameworks and tooling such as:

  • LangChain

  • LangGraph

  • Semantic Kernel

  • LlamaIndex

  • AutoGen

  • CrewAI

  • OpenAI

  • Azure AI Foundry

  • Anthropic

  • Open-source LLM platforms

Strong software engineering background with experience in:

  • API development

  • Microservices

  • Cloud-native architectures

  • CI/CD pipelines

  • DevOps practices

  • Experience with Azure, AWS cloud platforms.

  • Strong understanding of AI governance, security, responsible AI, and enterprise deployment considerations.

  • Proven ability to move rapidly from idea to production while balancing innovation, scalability, and risk.

  • Demonstrated success delivering solutions that achieve meaningful business adoption and measurable outcomes.

What we would like from you:

  • Obsessive curiosity about AI and emerging technologies.

  • A builder mentality with a passion for creating solutions rather than researching concepts.

  • Ability to quickly learn, evaluate, and operationalizenew technologies.

  • Creative, outside-the-box thinker who challenges conventional approaches.

  • Proven ability to influence technical direction and drive innovation across teams.

  • Strong communicationskills with the ability to explain complex AI concepts to both technical and executive audiences.

About SEI Investments

SEI Investments is a financial services company that provides investment processing, investment management, and investment operations solutions to institutional and personal wealth management clients. The company was founded in 1968 and is headquartered in Oaks, Pennsylvania. SEI Investments has a global presence with offices in North America, Europe, and Asia. The company's investment management solutions include mutual funds, exchange-traded funds (ETFs), and separately managed accounts. SEI Investments also provides technology solutions to financial institutions, including wealth management platforms and outsourcing services.
Learn more about SEI Investments
Size
4,371 employees
Market Cap
$7.8 billion
Industry
Net Income
$447.2 million
Founded
1968
5 Year Trend
+6.5%
Revenue
$1.6 billion
NASDAQ

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