Principal AI Engineer, Personalization & Recommendations

Path; United States; Remote; USD 180,000 - 320,000; Full time

Benefits offered by this job

Remote-friendly (remote-first)

Full transparency of pay ranges

Comprehensive health benefits

401(k) plan

Generous paid time off

Paid parental leave

Employee Assistance Program

Quarterly stipend

ERGs and community groups

Home office stipend

Wellness stipend

Job summary

Rula is seeking a senior AI/ML systems engineer to own production-grade AI across mental healthcare. You’ll build scalable ML platforms, develop retrieval and ranking models, and integrate LLMs with patient workflows.

The role focuses on robust, responsible AI, high-scale pipelines, and measurable improvements in matching and outcomes. Based in the United States, this remote-first position offers deep technical ownership, cross-functional collaboration, and opportunities to shape how AI touches

Qualifications

• 10+ years of software engineering, including 7+ years designing and scaling distributed systems
• 5+ years building and deploying production-grade ML applications
• 5+ years experience building/search/retrieval/recommendation engines at scale
• 5+ years programming in Python and at least one backend language (TypeScript/Java/Go) + 2+ years AI-powered product experience with foundation models
• 3+ years with traditional search/retrieval infra and modern vector databases
• 3+ years MLOps, data pipelines, offline/online evaluation systems

Responsibilities

• Own production-grade AI solutions powering patient-provider matching and clinical workflows
• Develop advanced recommendation engines and retrieval models
• Design AI architectures and core ML infrastructure for scale and reliability
• Ship applied AI features that improve match quality and user experience
• Set direction for AI infrastructure and safety in a high-stakes healthcare environment

Skills

Distributed systems design

ML model deployment

Learning-to-Rank

Recommender systems

NLP/GenAI in healthcare

Search relevance

Tools

Elasticsearch/OpenSearch

Pinecone/Weaviate/FAISS/Milvus

Python

TypeScript/Java/Go

LLM integration (OpenAI/Anthropic/Gemini)

RAG/agents patterns

Job description

Rula is seeking a senior AI/ML systems engineer to own production-grade AI across mental healthcare. You’ll build scalable ML platforms, develop retrieval and ranking models, and integrate LLMs with patient workflows.

The role focuses on robust, responsible AI, high-scale pipelines, and measurable improvements in matching and outcomes. Based in the United States, this remote-first position offers deep technical ownership, cross-functional collaboration, and opportunities to shape how AI touches