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Juan Ignacio Veltri

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Desarrollador Full Stack Senior

Desarrollador Full Stack Senior con sede en Buenos Aires, Argentina, con experiencia avanzada en React, TypeScript, Node.js y NestJS. Especializado en construir aplicaciones fintech escalables, infraestructura de pagos y soluciones web de alto rendimiento. Actualmente trabajando como Sr Software Engineer en Strike.

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Buenos Aires, Argentina

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Desarrollador Full Stack Senior con amplia experiencia en fintech y plataformas de pago. Experto en arquitecturar aplicaciones escalables usando React, TypeScript y Node.js. Historial comprobado liderando proyectos críticos, implementando soluciones de monitoreo avanzadas y optimizando experiencias de desarrollador. Apasionado por construir aplicaciones robustas, seguras y de alto rendimiento.

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Ubicación

Buenos Aires, Argentina

Experiencia

7+ Years

Tecnologías

15+ Tech Stack

Experiencia

Professional experience

Mi trayectoria profesional

Sr Software Engineer

Strike
Jan 2025 - PresentCurrent

Leading full-stack development initiatives at Strike, focusing on scalable fintech solutions and advanced payment infrastructure. Architecting robust systems using cutting-edge technologies while maintaining high performance and security standards.

Software Development Sr

Pomelo Fintech
Feb 2024 - Dec 2024

Advanced to Senior Developer role, leading complex technical initiatives and mentoring junior developers. Specialized in ReactJS, NodeJS, Frontend/Backend development, Git, NextJS, NestAPI, and GraphQL. Delivered high-impact solutions for fintech platform development.

Software Development SSr

Pomelo Fintech
Feb 2022 - Jan 2024

Developed and maintained critical fintech applications using ReactJS, NodeJS, NextJS, NestAPI, and GraphQL. Focused on frontend and backend development, implementing scalable solutions and improving developer experience across the platform.

Software Development SSr Analyst

MercadoLibre - MercadoPago
Feb 2021 - Jan 2022

Led development of payment integration tools using React, NodeJS, and MySQL. Implemented advanced monitoring solutions with Datadog, Kibana, New Relic, StatusPage, and Tableau. Specialized in vulnerability assessment and functional programming practices.

IT Analyst

MercadoLibre - MercadoPago
Aug 2019 - Feb 2021

Developed payment service applications using React, NodeJS, and MySQL. Contributed to frontend/backend development while implementing monitoring solutions and maintaining platform stability through comprehensive data analysis.

IT Assistant

MercadoLibre - MercadoPago
Oct 2018 - Jul 2019

Started career in software development, gaining foundational experience in React, NodeJS, MySQL, and Git. Collaborated on platform monitoring using Datadog and Kibana, contributing to system stability and learning industry best practices.

BackOffice

MercadoLibre - MercadoPago
Apr 2018 - Oct 2018

Provided operational support and gained initial exposure to fintech operations, laying the foundation for transition into software development roles.

Customer Experience (CX)

MercadoLibre - MercadoPago
Oct 2017 - Apr 2018

Delivered exceptional customer service while gaining deep understanding of payment platforms and user experience requirements, providing valuable insights for future development work.

Habilidades y Tecnologías

Coding skills

Tecnologías con las que trabajo

Lenguajes de Programación

TypeScript
JavaScript
Node.js
SQL
Python

Frontend

React
React Native
Next.js
Expo
Redux
Framer Motion
Tailwind CSS
Styled Components
React Query
Vite
Webpack
Metro Bundler
Frontend Testing

Backend

NestJS
Express.js
MySQL
PostgreSQL
REST APIs
GraphQL
Microservices
JWT
API Security

Herramientas y Otros

Git
Jira
Datadog
Kibana
New Relic
StatusPage
Tableau
n8n Automation
AWS
Xcode
Android Studio
EAS Build
App Store Connect
Google Play Console
Performance Metrics

Proyectos

Algunos de mis trabajos destacados

TickTrade

TickTrade

Featured

Comprehensive trading platform with web application and mobile apps for Android and iOS. Built with React Native for mobile and modern web technologies for the platform.

React NativeReactNode.jsTypeScriptMobile DevelopmentTrading Platform
All Things App

All Things App

Featured

AI-powered application generator that creates complete mobile and web applications using artificial intelligence. Features advanced prompt engineering for app development, deployment automation, and code generation.

ReactNext.jsTypeScriptAI/MLOpenAI APITailwind CSSApp Generation
VulnSite

VulnSite

Featured

Intentionally vulnerable web application designed for cybersecurity education and penetration testing. Features SQL injection, XSS vulnerabilities, and interactive laboratories for practicing web security assessment techniques.

Next.jsTypeScriptSQLiteTailwind CSSCybersecurityPenetration Testing
Puntify - Anotador de Juegos

Puntify - Anotador de Juegos

Featured

Mobile application for tracking scores and game results across multiple players and game types. Features intuitive score keeping, game history, player statistics, and support for various game formats. Built with React Native and Expo for seamless cross-platform experience on iOS and Android.

React NativeExpoTypeScriptMobile DevelopmentiOSAndroid
Juan Ignacio Veltri - Senior Full Stack Developer