Third Way Health, Inc.
AI

AI ML Engineer

Third Way Health, Inc. · Cambridge, MA, US

Actively hiring Posted 21 days ago

Role overview

We're seeking a Senior ML Engineer to build next-generation AI systems that help millions of patients access care faster. You'll architect production ML infrastructure handling thousands of hours of service interactions daily in a highly regulated healthcare environment. This is a high-impact individual contributor role—ideal for someone eager to “own the outcome” and push the boundaries of “high tech + high touch” care experiences.

What you'll work on

  • Architect and build large-scale AI systems that integrate high-volume voice, text, and contextual event streams with extensive knowledge bases to deliver real-time recommendations, automations, and decision support.

  • Design and operate workflow-oriented AI systems, including DAG-based execution graphs, stateful pipelines, and agent-driven workflows with clear observability, reproducibility, and fault tolerance.

  • Build agent architectures spanning agent-to-agent coordination, feedback loops, tool-calling systems, and long-running autonomous workflows, balancing control, safety, and adaptability.

  • Design and implement data models, feature pipelines, and APIs to support model training, low-latency inference, and continuous learning.

  • Develop predictive, real-time analytics systems that combine streaming data, ML inference, and event-driven triggers to surface insights and automate actions at scale.

  • Implement and maintain end-to-end ML platforms, including model training, evaluation, deployment, online inference, monitoring, and drift detection.

  • Partner closely with product managers, data scientists, and QA engineers to translate experimental models into reliable, production-grade AI services.

  • Identify, diagnose, and resolve performance and scaling bottlenecks across data pipelines, inference services, and orchestration layers as production workloads grow.

What we're looking for

  • Experience building AI systems in healthcare or regulated environments, with familiarity with standards such as HIPAA, GDPR, or FDA guidance.
  • Proven experience leading complex technical initiatives and mentoring junior engineers.
  • Strong applied knowledge of event-driven architectures and streaming systems (Kafka, Pub/Sub, Kinesis, RabbitMQ).
  • Hands-on experience designing and operating vector search, RAG pipelines, and hybrid retrieval systems.
  • Experience with agent frameworks, multi-agent coordination patterns, and long-running agent loops in production environments.
    Familiarity with real-time analytics stacks combining streaming data, ML inference, and operational dashboards.

Tags & focus areas

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Fulltime Ai Machine Learning