Leonel Gasparrini

Software Engineer | Full-Stack Developer

10+ Years Building Scalable Web Applications

Ruby on Rails React JavaScript PostgreSQL Node.js
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About

Full-stack engineer with 10+ years building web applications at scale using Ruby on Rails and React. Experienced solving complex problems including payment integrations, platform consolidations, performance optimization, and system design. Comfortable across the entire stack from database architecture to frontend implementation.

Remote work veteran with international teams (Argentina → US/Spain/Uruguay). Quick learner who adapts across different tech stacks and business domains, owning features end-to-end.

Experience

Software Engineer
GOAT Group
2020 - Present
  • Maintaining applications serving 5M+ users
  • Built payment integrations, led framework migrations
  • Platform consolidation across acquired companies
Backend Engineer
Rootstrap
2019 - 2020
  • Rental e-commerce platform
  • Rails & React development
Software Engineer
Toptive
2018 - 2019
  • Multiple client projects
  • Full-stack & mobile development
Technical Lead
Government Project
Previous
  • Led technical architecture and implementation
Software Engineer
Linkgua & PlumLabs
Previous
  • Full-stack development across various projects

Skills

💻 Languages

  • Ruby
  • JavaScript
  • HTML
  • CSS
  • PHP

🚀 Frameworks

  • Ruby on Rails
  • React
  • Node.js
  • Express

🗄️ Databases

  • PostgreSQL
  • MySQL
  • Elasticsearch

🛠️ Tools

  • Git
  • Docker
  • RSpec
  • Jest
  • CircleCI

Contact

📍

Location

Río Cuarto, Argentina

✉️

Email

jlgasparrini@gmail.com
💼

LinkedIn

linkedin.com/in/jlgasparrini
🐙

GitHub

github.com/jlgasparrini