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/.