Senior Node/React Developer (USD 4K/month CONTRACTOR) — Latin America

• [highlight=transparent]Frontend: React 18, TypeScript/JavaScript, Material UI (MUI), Vite[/highlight]

• [highlight=transparent]Backend: Node 22, TypeScript, Express, running on Google Cloud Functions[/highlight]

• [highlight=transparent]Database: Firestore (Firebase) -- our only database[/highlight]

• [highlight=transparent]Cloud: Google Cloud Platform -- Pub/Sub, Cloud Scheduler, Cloud Storage, Cloud Run[/highlight]

• [highlight=transparent]Infrastructure as code: Terraform; CI on GitHub Actions[/highlight]

• [highlight=transparent]Data and analytics: BigQuery warehouse, Amplitude, Mixpanel[/highlight]

• [highlight=transparent]Payments: Stripe, including Stripe Connect[/highlight]

• [highlight=transparent]Healthcare integrations: insurance claims and eligibility over X12 EDI (837, 270/271, 276/277, 835) through clearinghouses (Change Healthcare/Optum, Stedi, Orbit)[/highlight]

• [highlight=transparent]Messaging and support: SendGrid (email), Twilio (SMS), Intercom[/highlight]

• [highlight=transparent]AI: OpenAI for parsing documents; the team also uses AI coding tools (Claude Code, Codex) every day[/highlight]