Full-Stack Developer (Node/Express | React | TypeScript)

Availability: Full-time (Freelance/Contract)

About Me

I am a full-stack developer with 4+ years of experience building production-ready web applications. I am currently available for freelance or contract work.

Projects

Crypto Payment Gateway: Built a gift card shop from scratch that accepts USDC/USDT. It generates deposit addresses from xpub keys, listens for on-chain payments with ethers.js, and automatically releases gift cards after confirmation. Deployed on a Linux VPS with Nginx and PM2.
Real-time Messaging Platform: Engineered a platform using Next.js, Socket.io, MySQL, and AWS S3, supporting 200+ daily active users for SMS/MMS and voice messages.
CRM Integrations: Developed custom integrations for HubSpot, Monday, and Clientify, leveraging Asterisk AMI for telephony synchronization and real-time monitoring.

Core Skills

Web Development: React, Next.js
Backend: Node.js, Express, GraphQL, REST
Languages: TypeScript (Full-stack)
Databases: MySQL (Design and optimization)
Real-time Systems: Socket.io, Webhooks
Cloud & DevOps: AWS, Linux, Nginx, PM2

Compensation

Rate: $16–18/hr (Flexible for project-based work)
Payment Preference: Crypto (USDC/USDT)

Contact & Portfolio

GitHub: https://github.com/rtagliaviaz
Feel free to comment or DM to discuss potential work.