Jonathan Feller, Developer in Porto, Portugal
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Jonathan Feller

Full-stack Developer

Porto, Portugal

Toptal member since March 12, 2021

Bio

Jonathan is a passionate developer with 12+ years of experience. He has worked with many technologies and teams of various sizes, from startups to big corporations. He started programming at a very young age and has been doing it ever since, always looking for exciting challenges to work on. Jonathan brings strategic vision and leadership to his work and is passionate about working with teams whose vision aligns with his values.

Portfolio

Gunar LTD
React, Next.js, Node.js, PostgreSQL, Docker, Google Cloud...
Mout'S Solues em TI
React, Node.js, Java, Spring Boot, REST, PostgreSQL, Angular, MySQL, SQL...
Senior Sistemas
Java, Spring Boot, Hibernate, Angular, PostgreSQL, Elasticsearch, InfluxDB...

Experience

  • JavaScript - 12 years
  • REST - 8 years
  • Docker - 7 years
  • Node.js - 7 years
  • TypeScript - 6 years
  • GraphQL - 6 years
  • React - 5 years
  • Next.js - 5 years

Preferred Environment

React, Node.js, PostgreSQL, JavaScript, TypeScript, Git, Visual Studio Code (VS Code), REST, GraphQL, APIs

The most amazing...

...thing I've ever done is lead the development of a corporate tax revenue module as a service for the whole company to use.