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Senior Specialty AI Engineer

United States, Charlotte · Job Posted June 15, 2026
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Job Description

Wells Fargo is seeking a Senior Specialty AI Engineer to design, build, and productionize GenAI applications end-to-end. You will contribute to the development of LangChain/LangGraph-based workflows, RAG pipelines, and scalable services on Google Vertex AI. You will collaborate with senior engineers and cross-functional teams to deliver reliable, secure, and cost-efficient AI solutions while building depth across architecture, MLOps, and evaluation.

Job Responsibility

  • Develop multi-step workflows using LangChain and LangGraph (chains, tools, basic state graphs, retries, and error handling)
  • Implement prompt templates, tool integrations, and memory patterns for GenAI applications
  • Contribute to observability setup (logging, tracing, prompt/version tracking) and basic guardrails
  • Build and maintain ingestion pipelines: document parsing, chunking, embeddings, and metadata tagging
  • Implement retrieval strategies such as dense search, hybrid retrieval (BM25 + vector), and reranking
  • Configure and manage vector databases (e.g., Pinecone, Weaviate, FAISS)
  • Develop and deploy services using Google Vertex AI (model endpoints, pipelines, vector search)
  • Assist in containerization (Docker) and deployment via Kubernetes/GKE
  • Contribute to CI/CD workflows (GitHub Actions, Cloud Build)
  • Build backend APIs using Python (FastAPI) or Node.js
  • Develop user-facing components using React/Next.js
  • Implement authentication, authorization, and API management (rate limiting, retries)
  • Work closely with product, data, and platform teams to deliver features
  • Contribute to engineering best practices (code quality, testing, documentation)
  • Learn and adopt emerging GenAI tools, frameworks, and patterns

Requirements

  • 4+ years of Specialty Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education
  • 4 years of AI/ML Software Engineering experience, or equivalent
  • Hands-on experience with LangChain (required) and exposure to LangGraph or similar orchestration frameworks
  • Experience building RAG pipelines (chunking, embeddings, retrieval, evaluation basics)
  • Familiarity with vector databases (Pinecone, Weaviate, FAISS, or similar)
  • Backend development experience in Python (FastAPI) or Node.js
  • Frontend experience with React or Next.js
  • Experience with Docker, basic Kubernetes concepts, and CI/CD pipelines
  • Understanding of GenAI evaluation concepts, observability basics, and prompt design
  • Knowledge of security fundamentals (API security, PII handling, secrets management)
  • Strong problem-solving and communication skills

Nice to have

  • Exposure to LangGraph advanced patterns (state machines, multi-agent flows)
  • Experience with LlamaIndex or structured RAG (SQL/Graph RAG)
  • Familiarity with rerankers (Cohere, bge) and retrieval optimization techniques
  • Experience integrating LLMs with enterprise tools, databases, or APIs
  • Basic knowledge of knowledge graphs or ontology design
  • Exposure to LLM observability tools (LangSmith, OpenTelemetry)

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