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HAPPY HEALTH Logo

Senior Full Stack Engineer

HAPPY HEALTH

$140,000 - $200,000
Sep 22, 2025
Austin, TX, US
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Happy Health Inc. is looking to reinvent healthcare through at-home diagnostics and remote patient monitoring by developing and maintaining customer-facing web platforms, internal dashboards, and frontend integrations for the Happy Ring ecosystem.

Requirements

  • 3+ years of experience with React and Next.js framework
  • 3+ years of experience with TypeScript and modern JavaScript
  • 2+ years of experience with REST API development and integration
  • Experience with authentication systems (OAuth, JWT, session management)
  • Experience with eCommerce platforms (Shopify) and payment processing (Stripe)
  • Experience with version control (Git) and modern development workflows
  • Experience with Supabase or PostgreSQL Databases

Responsibilities

  • architect and implement robust web applications using modern technologies like Next.js and TypeScript
  • ensuring seamless integration with our backend APIs, eCommerce platforms, and authentication systems
  • implement and maintain authentication and authorization systems, working with OAuth, JWT tokens, and other modern authentication patterns
  • develop and enhance eCommerce functionality using Shopify APIs and Stripe payment processing
  • help maintain security best practices in frontend applications, ensuring HIPAA compliance for health data presentation and secure handling of sensitive customer information in web interfaces
  • champion code quality by implementing comprehensive testing strategies, code reviews, and monitoring systems
  • develop partner-facing dashboards and interfaces that allow healthcare providers and pharmaceutical partners to access and interact with Happy Ring data

Other

  • This is an individual contributor role with mentoring responsibilities for junior engineers.
  • You will directly collaborate with many members across our team: eCommerce, Backend Engineering, Mobile, Partners.
  • Team is hybrid, with a physical office in Austin, TX.
  • Unlimited PTO.
  • Flexible hours.