Diversity Nexus · 10 hours ago
Software Developer/Engineer (AI/ML Engineer or LLM Engineer)
Philadelphia, PA
Contract
Hybrid
Mid LevelDiversity Nexus is seeking a Software Developer/Engineer with expertise in AI/ML or LLM engineering. The role involves deploying open-source LLMs, implementing vector databases, and ensuring security and governance in on-prem environments.
Staffing & Recruiting
No H1B
U.S. Citizen Only
Responsibilities
Hands-on experience deploying open-source LLMs such as Meta Llama 3 and Mistral / Mixtral in on-prem or private environments
Strong proficiency in Python for LLM inference, prompt engineering, and integration
Experience with CPU-based inference, model quantization, and performance tuning
Practical experience with open-source vector databases such as Qdrant, Chroma, Milvus, or pgvector
Proven implementation of Retrieval-Augmented Generation (RAG) pipelines
Experience generating and managing embeddings and metadata filtering
Understanding of data privacy, air-gapped deployments, and enterprise security requirements
Experience implementing access controls and audit logging
Deliverables include reference architecture and deployment guidance, working prototype (LLM + vector DB + RAG), and documentation and knowledge transfer to internal teams
Qualification
Required
Hands-on experience deploying open-source LLMs such as Meta Llama 3 and Mistral / Mixtral in on-prem or private environments
Strong proficiency in Python for LLM inference, prompt engineering, and integration
Experience with CPU-based inference, model quantization, and performance tuning
Practical experience with open-source vector databases such as Qdrant, Chroma, Milvus, or pgvector
Proven implementation of Retrieval-Augmented Generation (RAG) pipelines
Experience generating and managing embeddings and metadata filtering
Understanding of data privacy, air-gapped deployments, and enterprise security requirements
Experience implementing access controls and audit logging
Preferred
Experience with LangChain or LlamaIndex
Exposure to Rust, Go, or C++ for high-performance services
Familiarity with Docker and Kubernetes for on-prem deployments
Knowledge of inference frameworks (e.g., vLLM, llama.cpp, Hugging Face Transformers)
Prior work in regulated or enterprise environments
Company
Diversity Nexus
201-500 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase