Full Stack Engineer

🔥 1 minute ago

🇧🇷 Brazil – Remote

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 18%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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3Y

WebsiteLinkedInAll Job Openings

51 - 200 employees

🏥 Healthcare

💼 Consulting

📦 Logistics

Healthcare • Consulting • Logistics

3Y is your business partner that streamlines the operations of medical practices, allowing healthcare providers to focus on delivering care rather than handling paperwork. With features such as automated scheduling, billing, and compliance tools, 3Y enables clinicians to manage backend operations efficiently. The platform supports various specialties and offers reliable payment systems, ensuring timely cash flow for practitioners. Trusted by numerous entrepreneurs and healthcare professionals, 3Y aims to enhance the patient care experience while simplifying the administrative aspects of running a practice.

📋 Description

• Design and build AI agents and automated workflows for clinic operations, including insurance benefits verification, prior authorizations, patient intake, claims, and clinical documentation • Build web and mobile features for clinicians, patients, families, and the internal operations team • Take ambiguous problems from 0 to 1 by working with operators and clinicians to define the problem, write the specification, and ship a first version • Design services, data models, and APIs; manage infrastructure as code • Own services in production, including deployments, monitoring, and incident response • Write evaluations for model-facing features and track workflow metrics • Handle protected health information safely with least-privilege access, no PHI in logs, and auditable changes • Build and maintain skills, plugins, MCP integrations, and review bots used by engineers with Claude Code and Codex • Work across the platform in a flat engineering team without sub-teams • Own features end to end, including collaboration with clinicians and operators, design, implementation, deployment, and production performance follow-up

🎯 Requirements

• 5+ years of experience building and shipping production software • Recent, hands-on experience using or building AI harnesses beyond simply calling a model API, including project instructions, tools and MCP servers, skills, hooks, subagents, or evals • At least one personal project built and published on the web that is live and usable by anyone; ideally a SaaS with working payments such as Stripe • Track record of owning products or features end to end, from an unclear problem to a system people depend on • Strong full-stack skills in Python and TypeScript, across frontend, backend, databases, and cloud infrastructure • Comfort working in a large, established codebase • Hands-on experience building with LLMs, including tool use, agent orchestration, structured outputs, retrieval, and evals; LangGraph, an agents SDK, or similar • Daily use of AI coding agents such as Claude Code, Codex, or Cursor, including configuring project instructions, skills, MCP servers, hooks, and subagents; running parallel tasks and carefully reviewing output • Good product sense and ability to make UI decisions without a dedicated designer, using a component library • High agency and ability to unblock yourself, find context, and ask questions when needed • Clear written communication • Nice to have: healthcare or regulated-industry experience, including HIPAA, payer and claims workflows, EHR integrations, or HL7/FHIR • Nice to have: Temporal or another durable workflow engine • Nice to have: React Native • Nice to have: production LLM evaluations or safety checks • Nice to have: own agent harness, MCP server, or coding-agent plugin • Nice to have: open-source work or internal tools used by others

🏖️ Benefits

• Remote work arrangement • Contract employment • Opportunity to work on an AI-native healthcare platform • Opportunity to work with AI coding agents, including Claude Code and Codex • Opportunity to build products used by clinicians, patients, families, and healthcare operations teams

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