Jobs · Engineering · North Carolina

Senior AI Developer – Full Stack - NC

Apex Systems · Charlotte, NC · 2 mo ago
Engineering$69–$74/hrContract

Location: Charlotte, NC
Work Arrangement: Hybrid (3 Days Onsite / 2 Days Remote)
Contract Length: 12 months

About the role

In this contingent resource assignment, you will consult on complex initiatives with broad impact and large-scale planning for Software Engineering. This role serves as a Senior AI Developer responsible for designing, building, and productionizing enterprise GenAI applications. The successful candidate will lead the development of agentic AI workflows, Retrieval-Augmented Generation (RAG) solutions, AI orchestration frameworks, and scalable cloud-native services. This is a hands-on engineering role focused on delivering secure, scalable, observable, and production-ready AI solutions.

Responsibilities

  • Design and implement multi-step agentic workflows using LangChain and LangGraph.
  • Build complex state-machine orchestration and develop AI agents utilizing tool calling frameworks and memory components.
  • Design and develop enterprise RAG solutions, including ingestion pipelines for document processing, chunking, and vector indexing.
  • Implement hybrid retrieval, query routing, re-ranking, and semantic search to optimize retrieval accuracy.
  • Build and deploy solutions on Google Vertex AI, utilizing its models, endpoints, pipelines, and vector search capabilities.
  • Develop backend services using Python/FastAPI or Node.js and front-end applications using React/Next.js.
  • Containerize applications using Docker and deploy workloads to Kubernetes/GKE, supporting CI/CD automation.
  • Define and automate AI evaluation frameworks to measure relevance, faithfulness, latency, and cost efficiency.
  • Implement PII detection, data masking, audit logging, and prompt security controls to ensure compliance with enterprise standards.
  • Establish GenAI engineering standards and mentor other developers and AI engineers.

Requirements

  • 5+ years of Python development experience.
  • Expertise with LangChain and LangGraph.
  • Experience building and deploying production-grade GenAI applications.
  • Experience with Google Vertex AI, RAG architectures, and AI agent frameworks.

Qualifications

  • 7–10+ years of software engineering experience.
  • 3–5+ years of applied ML/GenAI experience building production systems.
  • Expertise with LangChain and LangGraph (tools, agents, state graphs).
  • Hands-on experience with Vertex AI.
  • Strong experience as a RAG practitioner (chunking, embeddings, hybrid retrieval, rerankers).
  • Experience with vector databases (Pinecone, Weaviate, Milvus, FAISS) and embedding models.
  • Production backend development experience in Python (FastAPI) or Node.js.
  • Front-end experience with React/Next.js.
  • Cloud experience (GCP preferred; AWS/Azure is a plus), Docker/Kubernetes, and CI/CD.
  • Understanding of GenAI evaluation (RAGAS, G-Eval), observability, and prompt/version management.
  • Knowledge of security and governance, including PII handling and prompt injection defenses.

Preferred Qualifications

  • Knowledge of graphs (RDF/OWL), retrieval planning, and agent patterns.
  • Experience with LLM serving and routing.
  • LlamaIndex experience.
  • Experience with structured RAG (SQL/Graph RAG) and function/tool calling integrations.

Pay

$69/hr - $74/hr

Benefits

  • Supplemental medical, dental, vision, life, and disability insurance plans.
  • Employee Stock Purchase Program (ESPP) and 401K with company match after 12 months of tenure.
  • Health Savings Account (HSA) on the HDHP plan.
  • SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions.
  • Corporate discount savings program and other discounts.
  • On-demand training program, access to certification prep, and a library of technical and leadership courses/books/seminars after 6+ months of tenure.
  • Certification discounts and association perks (e.g., CompTIA, IIBA).
  • Dedicated customer service team and certified Career Coach.

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