Full Stack Firebase + React

CXntury is looking for a Full-Stack Developer who enjoys taking ownership and building features end-to-end — from database to UI.

You’ll work with a production product, improve an existing codebase, and use AI coding tools as a real part of your everyday engineering workflow.

What you’ll work with

Node.js + React

JavaScript / TypeScript

Firebase: Cloud Functions (2nd gen), Firestore, Auth, Hosting, Emulator Suite

Google Cloud: Cloud Run, Cloud Tasks, Cloud Logging

Stripe: Connect, PaymentIntents, refunds, webhooks, holds & captures, idempotency

GitHub Actions and CI/CD

What we’re looking for

1+ year of commercial experience shipping production software as a Full-Stack Engineer

Strong Node.js and React skills

Experience working with and maintaining a large existing codebase

Ability to make focused improvements instead of rewriting everything from scratch

Production experience with Firebase and Stripe

Comfortable owning a feature independently — backend, database, frontend and deployment

Daily hands-on experience with AI coding tools like Claude Code, Cursor, Copilot or similar

You know how to use agentic AI workflows and, more importantly, how to review AI-generated code critically

English B2+ for daily written communication

What we offer

🌍 International team and product

💻 Remote-friendly environment

🤖 AI-first engineering culture

🚀 Real ownership and autonomy

📈 Opportunity to grow with the product

🤝 Small team with direct communication and minimal bureaucracy

Ready to build, improve and ship? Let’s talk!