Hi, my name is
Jonathan DΓaz
Backend Software Engineer
Specialist in secure, scalable and high-performance systems
About Me
Peruvian backend software engineer specialized in Node.js with more than 5
years of experience building high-performance systems for the
financial sector. I have developed serverless solutions that process
20 million requests per month and platforms that serve more than
5 million users. Expert in microservices architectures, AWS cloud,
and relational and non-relational databases. My focus is on creating
scalable, secure, and maintainable systems that solve real business
problems.

Here are the technologies Iβve been working with recently:
- Nest.js
- MongoDB
- PostgreSQL
- Cloudflare
- AWS
Project Portfolio

Real Time Payment Reconciliation System
High performance serverless payment reconciliation system developed for a major Argentine bank with over 6 million active users. The system processes transactions in real time, ensuring accurate reconciliation of millions of monthly operations.
- AWS
- Node.js
- OpenSearch

Payment Gateway Provider
Distributed transaction management system for POS devices and payment links developed for a Peruvian payment gateway. The system securely manages and processes payments, guaranteeing operations for 5,500 affiliated merchants.
- Node.js
- MySQL
- MongoDB
- Docker

High Performance Banking Microservices Platform
Loan payment inquiry system developed for a Peruvian financial institution. The software enables banking users to check their payment status quickly and securely.
- Node.js
- Azure
- SQL Server
Do you have a project in mind? Iβd be happy to hear from you.
Email:
+51 910534676