3Y Health

Full Stack Engineer

3Y Health
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4 hours ago
Remote, BrazilSenior

Responsibilities

  • Design and build AI agents and automated workflows for clinic operations.
  • Build web and mobile features for clinicians, patients, families, and internal operations teams.
  • Scope ambiguous problems, write specifications, and ship first versions end to end.
  • Design services, data models, and APIs and manage infrastructure as code.
  • Own production services, including deployments, monitoring, and incident response.
  • Write evaluations for model-facing features and track workflow metrics.
  • Handle protected health information using least-privilege access, no PHI in logs, and auditable changes.
  • Build and maintain engineering skills, plugins, MCP integrations, and AI code-review bots for Claude Code and Codex.

Requirements

  • 5+ years of experience building and shipping production software.
  • Recent hands-on experience using or building AI harnesses involving tools, MCP servers, skills, hooks, subagents, or evaluations.
  • At least one personal project published on the web that is live and usable by anyone; a SaaS project with working payments such as Stripe is preferred.
  • Strong full-stack experience with Python and TypeScript across frontend, backend, databases, and cloud infrastructure.
  • Experience owning products or features from an unclear problem through a dependable production system.
  • Hands-on LLM experience with tool use, agent orchestration, structured outputs, retrieval, and evaluations, using LangGraph, an agents SDK, or similar.
  • Daily experience with AI coding agents such as Claude Code, Codex, or Cursor, including configuring and reviewing their work.
  • Ability to work in a large established codebase and make sound UI decisions without a dedicated designer.
  • Good product sense, high agency, and clear written communication in a distributed team.
  • Healthcare or regulated-industry experience, including HIPAA, payer and claims workflows, EHR integrations, or HL7/FHIR, is preferred.
  • Experience with Temporal or another durable workflow engine, React Native, production LLM evaluations or safety checks, agent harnesses, MCP servers, coding-agent plugins, open-source work, or widely used internal tools is preferred.

Tech Stack

AWSDatadogGitHub ActionsGoGraphQLgRPCKotlinNestJSNext.jsPostgreSQLPythonReactReact NativeSnowflakeTerraformTypeScript
3Y Health

About 3Y Health

51-200 employees

At 3Y, we believe clinician entrepreneurs are the future of healthcare. Our platform empowers providers to build, launch, and grow their own independent practices. We provide the support, technology, and tools you need to succeed from day one. Whether you're just getting started or you're scaling, 3Y Health offers: - A Practice Management System (PMS) built for ease and growth - Access to insurance contracts - Business operations support to simplify licensing, compliance, and administration - AI-driven solutions to help streamline scheduling, documentation, and communication - A network that connects you to patients, partners, and resources to grow your brand Our mission is simple: turn clinicians' business dreams into reality - reducing barriers, increasing access to care, and helping healthcare thrive through independent ownership Ready to build the practice you’ve always dreamed of? Join 3Y. Your practice, your way.

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