Waystar
Senior ML Engineer
Lehi, UT · Senior
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About the role
- We are seeking a highly skilled and innovative Machine Learning Engineer with a passion for building robust, efficient, and domain-specific AI systems using Language Models (LMs) and agentic architectures.
- As a core member of the team, you will be instrumental in developing the entire ML pipeline, from sophisticated data extraction techniques to fine-tuning specialized LMs and orchestrating their interactions within a multi-agent framework.
- This is a unique opportunity to apply state-of-the-art Generative AI and NLP techniques to a real-world, high-impact problem, leveraging the latest research in agentic AI and LMs to deliver economical and powerful solutions.
Responsibilities
- Design, implement, and optimize robust pipelines for ingesting, parsing, and extracting structured information from complex documents ( leveraging OCR, document layout analysis, Named Entity Recognition (NER), and Relationship Extraction ( RE)).
- Develop rich, nested JSON schemas for representing structured data and ensure scalable storage
- Generate and manage high-quality vector embeddings for efficient retrieval-augmented generation (RAG) within a Vector Database.
- Explore and implement knowledge distillation techniques to transfer capabilities from larger models to smaller, more efficient LMs.
- Agentic System Design & Implementation:
- Build and maintain the core agentic framework, including the orchestrator that intelligently routes queries and coordinates interactions between various specialized LM tools.
- Deploy, manage, and monitor LMs and agentic components on Google Cloud Platform (GCP) using services like Vertex AI, GKE, Cloud Functions, and Cloud Run.
- Implement robust MLOps practices for continuous integration, continuous delivery (CI/CD), model versioning, and performance monitoring (latency, throughput, accuracy).
Nice to have
- Direct experience with document processing technologies such as OCR, layout parsing, Document AI, or custom information extraction from unstructured text.
- Experience with Vector Databases (e.g., pgvector, Pinecone, Weaviate, Qdrant ) and RAG architectures.
Skills
- Job Description Summary
Compensation
- Competitive total rewards (base salary + bonus, if applicable)
Benefits
- Competitive total rewards (base salary + bonus, if applicable)
- Customizable benefits package (3 medical plans with Health Saving Account company match)
- We offer generous paid time off for our non-exempt team members, starting with 3 weeks + 13 paid holidays, including 2 personal floating holidays.
- We also offer flexible time off for our exempt team members + 13 paid holidays
- Paid parental leave (including maternity + paternity leave)
- Education assistance opportunities and free LinkedIn Learning access
- Free mental health and family planning programs, including adoption assistance and fertility support
- Develop and integrate "tools" (specialized LMs and external APIs) that perform atomic medical necessity tasks, ensuring strict behavioral alignment and structured outputs.
Company info
- We are deeply committed to living out our organizational values: honesty; kindness; passion; curiosity; fanatical focus; best work, always; making it happen; and joyful, optimistic & fun.
This listing is sourced directly from Waystar's careers page and normalized into a canonical job model.