Elena G.

Full-stack developer: React, Next.js, NestJS, TypeScript. Since 2024 I have shipped production code for three SaaS products, two of them in healthcare. ScoreLIS - HIPAA clinical lab platform in production: - Web app (React 19, Redux Toolkit, Ant Design), 2,300+ commits: lab orders, patient charts, formula editor for lab tests, insurance and billing, telehealth video visits (Amazon Chime) with speech-to-text notes (AWS Transcribe). - Backend services (NestJS, Prisma, Postgres): orders, reports and PDF invoices, auth, EMR, billing. - Device server (.NET, C#): lab analyzer connections over ASTM and AU protocols. Insurance eligibility SaaS for dental clinics (Next.js, Prisma, Stripe): eligibility checks, batch verification, analytics, audit log. AI sales outreach SaaS, multi-tenant (Next.js, Prisma, Python): email campaigns and sender accounts, AI agent replies, knowledge base and document processing for RAG, Twilio and Stripe integrations. I write tests (Vitest), work in pull requests with code review, and ship small changes often. Asunción, Paraguay (GMT-3). Available during US business hours, 30+ hours a week.