Delfina Spais
js, and Flutter. End-to-end experience in system architecture, development, databases, external integrations and production deployment.
About
I am a full-stack developer with 3 years of experience building web and mobile applications, specializing in backend development with Node.js, NestJS, and TypeScript, and frontend development with React, Next.js, and Flutter.
End-to-end experience in system architecture, development, databases, external integrations and production deployment. Recently trained in Project Management (Google), with knowledge in Agile methodologies, planning, and team coordination.
- 3 years' experience
- Joined March 2026
Skills· 15
Languages
- Spanish; CastilianFluent
- EnglishAdvanced
- FrenchBeginner
Industry experience
- Software & Internet
- Healthcare
- Professional Services
- Media & Entertainment
- Education
Work experience· 11 roles
Participated from the beginning, developing the entire backend architecture. Built the backend using NestJS, TypeScript, and Node.js. Designed and implemented the PostgreSQL database using Prisma ORM. Developed a multi-tenant architecture for multiple clinics, ensuring data isolation and scalability. Implemented authentication and authorization with JWT and 5 user roles. Integrated external APIs: Firebase push notifications, Google Calendar API, and WhatsApp Business API. Created a subscription system with paid plans and configurable limits. Implemented PDF/Excel reports and advanced operational models. Deployed the application on Railway. Contributed to frontend modules using Next.js and React.
Frontend web application for healthcare affiliate management and medical authorizations audits, used by internal teams. Built frontend with SvelteKit, Svelte, and TypeScript. Implemented role-based access control (RBAC) with 7 user roles. Developed modules: Contact Center, Audit, and Affiliate Search with responsive UI. Used Tailwind CSS, DaisyUI, Vitest, and Playwright for testing.
Built backend architecture using NestJS, TypeScript and Node.js. Designed and implemented PostgreSQL database using Prisma ORM. Developed multi-tenant architecture for multiple clinics, ensuring data isolation and scalability. Implemented authentication and authorization with JWT and 5 user roles. Integrated external APIs: Firebase (push notifications), Google Calendar API, WhatsApp Business API. Created a subscription system with paid plans and configurable limits. Implemented PDF/Excel reports and advanced operational models. Deployed the application on Railway. Contributed to frontend modules using Next.js and React.
Education· 7
Certifications and awards
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