Juan Ignacio Veltri
Senior Full Stack Developer
Senior Full Stack Developer based in Buenos Aires, Argentina, with advanced expertise in React, TypeScript, Node.js, and NestJS. Specialized in building scalable fintech applications, payment infrastructure, and high-performance web solutions. Currently working as Sr Software Engineer at Strike.
About Me
Get to know me better
Senior Full Stack Developer with extensive experience in fintech and payment platforms. Expert in architecting scalable applications using React, TypeScript, and Node.js. Proven track record of leading critical projects, implementing advanced monitoring solutions, and optimizing developer experiences. Passionate about building robust, secure, and high-performance applications.
Location
Buenos Aires, Argentina
Experience
7+ Years
Technologies
15+ Tech Stack
Experience
My professional journey
Sr Software Engineer
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
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
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
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
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
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
Provided operational support and gained initial exposure to fintech operations, laying the foundation for transition into software development roles.
Customer Experience (CX)
Delivered exceptional customer service while gaining deep understanding of payment platforms and user experience requirements, providing valuable insights for future development work.
Skills & Technologies
Technologies I work with
Programming Languages
Frontend
Backend
Tools & Others
Projects
Some of my featured work
TickTrade
FeaturedComprehensive 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.
All Things App
FeaturedAI-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.
VulnSite
FeaturedIntentionally vulnerable web application designed for cybersecurity education and penetration testing. Features SQL injection, XSS vulnerabilities, and interactive laboratories for practicing web security assessment techniques.
