HP IQ · 2 months ago
Lead Machine Learning Engineer, Recommender Systems
Palo Alto, CA
Full-time
Hybrid
Lead/Staff
$175K/yr - $275K/yr
8+ years expHP IQ is HP’s new AI innovation lab focused on building intelligent technologies. As a Lead Machine Learning Engineer – Recommender Systems, you will improve retrieval systems and enhance user interactions through intelligent algorithms.
Computer Software
Responsibilities
Drive the design, implementation, and scaling of recommendation and retrieval algorithms for our AI Companion app
Set the technical vision for vector search and similarity matching models to identify relevant documents across structured and unstructured data
Analyze user interactions and system performance to guide algorithmic improvements
Partner with cross-functional leaders in ML, infrastructure, and product teams to deploy fast and efficient RAG workflows
Build and maintain retrieval indexes optimized for latency and memory
Mentor and guide engineers across the team, fostering best practices in experimentation, model evaluation, and production deployment
Qualification
Required
8+ years of software development experience with exposure to ML engineering
Deep expertise in recommender systems, embeddings, and ranking models
Proven experience building or scaling document search or retrieval systems
Strong understanding of vector databases (e.g., FAISS, Pinecone, Qdrant)
Proficient in Python and one systems language (e.g., C++, Java)
Preferred
Background in LLM integration or fine-tuning for RAG workflows
Industry experience at companies like Google (Search, YouTube), Meta (Feed, Ads), or Twitter (Timeline, Trends)
Experience with ML pipeline tools (Airflow, Ray, TorchServe)
Previous experience improving search relevance, click-through rate, or long-term engagement
Benefits
Health insurance
Dental insurance
Vision insurance
Long term/short term disability insurance
Employee assistance program
Flexible spending account
Life insurance
Generous time off policies, including; 4-12 weeks fully paid parental leave based on tenure
11 paid holidays
Additional flexible paid vacation and sick leave (US benefits overview)
Company
HP IQ
HP IQ (formerly Humane) is HP’s new AI innovation lab focused on building an intelligent ecosystem across HP’s products and services for the future of work.
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase