Position title : Software Developer / Engineer
Location : Philadelphia
Work Mode : Hybrid, minimum 3 days in the office
Interview Schedule : 1st interview, 1-hour, in-person; 2nd interview, 1-hour, in-person
Consultant Requirements On-Prem LLM & Vector DB Implementation
Core Experience
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
Vector Databases & RAG
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
Security & Governance
Understanding of data privacy , air-gapped deployments, and enterprise security requirements
Experience implementing access controls and audit logging
Nice to Have
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
Deliverables
Reference architecture and deployment guidance
Working prototype (LLM + vector DB + RAG)
Documentation and knowledge transfer to internal teams
Donato Technologies Inc. is a trusted IT staffing, consulting, and software development partner headquartered in Dallas, Texas. We support clients across industries by understanding their unique business needs and delivering tailored technology and workforce solutions. Our focus is on connecting the right talent with the right opportunity-ensuring clients receive dependable, skilled professionals and candidates receive meaningful career growth and support. We work closely with small to mid-sized organizations to provide flexible, high-quality services that drive performance, innovation, and long-term success.
Software DeveloperEngineer • Philadelphia, PA, United States