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[Remote] Sr. AI Engineer

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. CoPilot Innovations, a subsidiary of The Plumtree Group, empowers businesses to leverage AI for transformative results through custom AI solutions. They are seeking a highly skilled Senior AI Engineer to architect and build LLM-driven applications and AI platforms, collaborating with cross-functional teams and mentoring junior engineers.

Responsibilities

  • Architect and build LLM-driven applications and AI platforms
  • Design, optimize, and deploy Retrieval-Augmented Generation (RAG) pipelines
  • Work across Generative AI, traditional Machine Learning, and automation use cases
  • Deploy and operate AI systems in cloud environments, ensuring high performance and scalability
  • Collaborate with backend, cloud, data, and product teams to integrate AI solutions
  • Mentor junior engineers, guiding them in best practices, and help define AI engineering standards at CoPilot
  • Lead the design and deployment of enterprise-grade AI platforms integrated with existing client technology stacks
  • Engage in architecture discussions with stakeholders and client teams, offering technical advice and recommendations

Skills

  • Bachelor's degree or higher in Computer Science, Engineering, Mathematics, or a related field
  • 5+ years of hands-on experience in AI engineering, with a focus on Generative AI, RAG, and cloud-based AI systems
  • Strong background in Generative AI, Agentic AI, Machine Learning (ML), and AI-driven automation
  • Hands-on experience building LLM-driven applications, agentic workflows, and AI microservices
  • Deep expertise in Retrieval-Augmented Generation (RAG), including document ingestion, chunking strategies, embeddings, vector search, re-ranking, and response grounding
  • Practical use of tools such as LangChain, LlamaIndex, LangGraph, AutoGen, and CrewAI for LLM orchestration and multi-agent systems
  • Strong foundation in classical ML techniques such as classification, regression, clustering, ranking, and feature engineering
  • Experience with PyTorch and/or TensorFlow for model development and experimentation
  • Proficiency with vector databases like MongoDB Atlas Vector Search, FAISS, Pinecone, or similar
  • Strong cloud experience, including deployment of AI services and workloads on AWS, Azure, or GCP
  • Familiarity with cloud AI platforms such as AWS Bedrock, Azure AI Services, GCP Vertex AI
  • Hands-on experience with Docker, Kubernetes, and cloud-native deployment patterns
  • Experience implementing MLOps/LLMOps, including model versioning, CI/CD pipelines (GitLab CI/CD or similar), experiment tracking (MLflow, Kubeflow), and AI observability
  • Understanding of cost, latency, performance optimization, and secure, multi-tenant AI deployments
  • Strong programming skills in Python, with experience in building backend services and APIs
  • Strong stakeholder management and communication skills
  • Experience working in consulting or enterprise environments
  • Comfortable participating in architecture discussions with client teams
  • Ability to explain AI trade-offs to non-technical stakeholders
  • Proven ability to mentor and lead teams, with an interest in growing into an AI Engineering Lead role

Benefits

  • Competitive salary and benefits.
  • Fully remote position.
  • Medical insurance

Company Overview

  • The Plum Tree Group is an interactive agency focusing on solutions for emerging businesses. It was founded in 2003, and is headquartered in Chicago, Illinois, US, with a workforce of 201-500 employees. Its website is https://www.plumtreegroup.net/.
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