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Hi, I’m Jonathan da Silva Freitas, a software engineer with extensive experience in back-end and front-end development across Node.js, Nest.js, React, and modern frameworks. I have built and improved platforms for payments, account management, and gaming, always focusing on scalable architecture, clean code, and collaborative delivery. I work well in Agile teams, value test-driven development, and enjoy turning complex problems into robust, user-friendly software. I’m fluent in Portuguese and English (intermediate to advanced) and am currently based in Brazil.…Hi, I’m Jonathan da Silva Freitas, a software engineer with extensive experience in back-end and front-end development across Node.js, Nest.js, React, and modern frameworks. I have built and improved platforms for payments, account management, and gaming, always focusing on scalable architecture, clean code, and collaborative delivery. I work well in Agile teams, value test-driven development, and enjoy turning complex problems into robust, user-friendly software. I’m fluent in Portuguese and English (intermediate to advanced) and am currently based in Brazil.

Jonathan Freitas

Back-End Developer, Front-End Developer, Web Developer, +4

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Hi, I’m Jonathan da Silva Freitas, a software engineer with extensive experience in back-end and front-end development across Node.js, Nest.js, React, and modern frameworks. I have built and improved platforms for payments, account management, and gaming, always focusing on scalable architecture, clean code, and collaborative delivery. I work well in Agile teams, value test-driven development, and enjoy turning complex problems into robust, user-friendly software. I’m fluent in Portuguese and English (intermediate to advanced) and am currently based in Brazil.…Hi, I’m Jonathan da Silva Freitas, a software engineer with extensive experience in back-end and front-end development across Node.js, Nest.js, React, and modern frameworks. I have built and improved platforms for payments, account management, and gaming, always focusing on scalable architecture, clean code, and collaborative delivery. I work well in Agile teams, value test-driven development, and enjoy turning complex problems into robust, user-friendly software. I’m fluent in Portuguese and English (intermediate to advanced) and am currently based in Brazil.

Available to hire

Hi, I’m Jonathan da Silva Freitas, a software engineer with extensive experience in back-end and front-end development across Node.js, Nest.js, React, and modern frameworks. I have built and improved platforms for payments, account management, and gaming, always focusing on scalable architecture, clean code, and collaborative delivery.

I work well in Agile teams, value test-driven development, and enjoy turning complex problems into robust, user-friendly software. I’m fluent in Portuguese and English (intermediate to advanced) and am currently based in Brazil.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Portuguese

Fluent

Work Experience

Developer at Octus Hub

May 1, 2025 - October 1, 2025

Responsible for the development of a betting and gaming platform called Ponto do Bicho.

Developer at Saldoo Software

July 1, 2024 - May 1, 2025

Responsible for developing an account management, financial reporting and payments platform.

Developer at Doris Mobi

January 1, 2024 - June 1, 2024

Responsible for developing improvements and corrections related to the digital fitting room project with artificial intelligence.

Developer at Doms Digital

July 1, 2020 - July 1, 2023

Responsibility for developing updates to existing projects, fixing bugs and creating new projects.

Developer at Cosmun Softwares

May 1, 2017 - December 1, 2020

Responsibility for creating systems, institutional sites using Django and applications using Ionic, as required.

Developer at Duo Studio Interativo

October 1, 2017 - May 1, 2018

Responsibility for creating systems, institutional sites using PHP and applications using Ionic, as required.

Developer at Ubistart

March 1, 2017 - August 1, 2017

Responsibility for creating systems, institutional websites using PHP and applications using Ionic, as required.

Developer (React/Node) at Octus Hub

May 1, 2025 - October 1, 2025

Developed frontend and backend components for a betting and gaming platform called Ponto do Bicho; implemented API integrations, performance optimizations, and collaborated with product and QA teams to deliver features on schedule.

Developer (React/Node) at Doris Mobi

January 1, 2024 - June 1, 2024

Contributed to improvements and corrections for the digital fitting room project with AI; enhanced UI components, integrated AI features, fixed bugs, and improved performance across the stack.

Developer (Angular/Node/React) at Doms Digital

July 1, 2020 - July 1, 2023

Led updates to existing projects, fixed bugs, and created new projects across Angular, Node.js and React stacks; collaborated with cross-functional teams to deliver features on time.

Developer (Django/Ionic) at Cosmun Softwares

May 1, 2017 - December 1, 2020

Created Django-based institutional systems and Ionic applications; delivered full-stack solutions, integrated RESTful APIs, and maintained deployments.

Developer (PHP/Ionic) at Duo Studio Interativo

October 1, 2017 - May 1, 2018

Built PHP-based institutional sites and Ionic applications; implemented responsive UI and backend services as required.

Developer (PHP/Ionic) at Ubistart

March 1, 2017 - August 1, 2017

Created systems and institutional websites using PHP and Ionic; contributed to multiple client projects with emphasis on reliability and usability.