Summary: This Full-Stack Engineer with a frontend focus will shape user experience for a greenfield web platform in a HIPAA-regulated healthcare environment, utilizing AI tools. Highlights: 1. Shape user experience and frontend architecture from the ground up 2. Full-product ownership role in a HIPAA-regulated healthcare environment 3. Utilize AI tools to accelerate development with human ownership Role Overview Our client is building a greenfield web platform that delivers modern, cloud\-based experiences aligned with Sensei Cloud. The application is modular in nature and will grow over time. As a Full\-Stack Engineer with a frontend focus, you will be a core contributor shaping the user experience and frontend architecture from the ground up — while remaining capable of working across the entire stack when needed. Your primary ownership area is the React/TypeScript frontend: building customer\-facing features, implementing responsive layouts, and integrating with the Rails API. You will also contribute to backend work as the team and product evolve. This is a full\-product ownership role in a HIPAA\-regulated healthcare environment, requiring strong technical judgment, attention to compliance, and close collaboration with your fellow engineers and product stakeholders. You will work within a Human AI Human engineering workflow, using AI tools to accelerate development while maintaining full accountability for code quality and correctness. Key ResponsibilitiesPrimary (Frontend)* Design, build, and maintain React components for a dental practice scheduling application * Implement responsive, mobile\-first layouts using Tailwind CSS and standard breakpoints (sm, md, lg) * Integrate frontend features with a Rails\-based API using Axios and TanStack Query for data fetching, caching, and mutations * Implement Azure AD B2C authentication using MSAL, including protected routes, token acquisition, and Axios interceptors * Maintain clean, readable TypeScript code that conforms to ESLint and Prettier standards Shared (Full\-Stack)* Contribute to Rails API endpoints, data models, and background jobs as needed * Collaborate closely with backend\-focused engineers and product stakeholders throughout feature development * Participate in AI\-augmented development workflows, reviewing and validating AI\-generated code against acceptance criteria * Follow Git best practices: feature branches, pull requests for all changes, and conventional commit messages * Proactively update documentation when behavior or architecture changes **Requirements** Core Technical Skills* Strong experience with TypeScript and React, including functional components and custom hooks * Experience consuming REST APIs using Axios, including authentication header injection * Proven ability to build responsive UIs using a utility\-first CSS framework (Tailwind or similar) * Experience with server\-state management libraries such as React Query, SWR, or RTK Query * Working knowledge of a server\-side framework (Rails, Express, Django, or similar) — you don’t need to be an expert, but you should be comfortable reading and contributing to backend code * Familiarity with relational databases (PostgreSQL preferred) and REST API design * Familiarity with Git\-based workflows, including pull requests and conventional commits * Comfortable reading and maintaining Markdown documentation AI\-Augmented Development (Required)* Hands\-on experience using AI coding assistants (e.g., Claude Code, GitHub Copilot, Cursor) as part of daily development * Clear understanding of the Human \-\> AI \-\> Human review loop, with human ownership of all decisions * Ability to maintain supporting documentation such as READMEs, architecture notes, and AI configuration files (e.g., CLAUDE.md) * Awareness of AI traceability practices, including commit trailers, review checklists, and prompt hygiene HIPAA \& Compliance Awareness (Required)* Strong understanding that Protected Health Information (PHI) must never appear in code, tests, logs, commits, or error messages * Comfort working exclusively with synthetic or mock data (e.g., SYNTHETIC\_\-prefixed data) * Awareness of secure coding practices, including no hardcoded credentials, no PHI in browser storage, and structured logging Technologies \& Tools You will work with the following technologies as part of the CSD Cloud Apps stack: Frontend (Primary)* Language: TypeScript 5 * Framework: React 19 (functional components, hooks) * Build Tooling: Vite 7 * Styling: Tailwind CSS 4, clsx, tailwind\-merge (cn() helper) * Server State: TanStack Query (React Query) v5 * Routing: React Router v7 * HTTP Client: Axios (with authentication interceptors) * Authentication: Azure AD B2C via MSAL * Code Quality: ESLint 9, Prettier 3 Backend (Collaborative)* Framework: Ruby on Rails 8\.1 (API\-only mode) * Database: PostgreSQL 16 * Background Jobs: Sidekiq with Redis 7 * Testing: RSpec, FactoryBot, WebMock, VCR Shared* Development Environment: Docker Compose * Version Control: Git with feature branches and pull requests Preferred / Nice\-to\-Have Qualifications* Familiarity with Azure AD B2C and MSAL authentication flows * Experience with Ruby on Rails, especially API\-only mode * Healthcare or dental domain experience * Experience optimizing Vite builds and implementing code splitting * Exposure to WebSockets or real\-time updates (e.g., ActionCable) * Experience contributing to a greenfield product from early stages **Benefits** * Work remotely Monday \- Friday, 40 hours a week (no weekends) * Health Care Reimbursement * Active Lifestyle Reimbursement * Quarterly Home Office Reimbursement * Did we mention it's REMOTE?!! 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