Web and Mobile Systems Consulting and DevelopmentWe provide tailored solutions across various sectors, leveraging cutting-edge technologies such as Code Versioning and responsive development for diverse devices. Our expertise spans languages like Ruby on Rails, PHP, Python, and Javascript/Typescript, along with frameworks like Reactjs and React Native. We ensure quality through automated testing and QA services, and offer VPS server hosting and maintenance on platforms like Digital Ocean… Show more Web and Mobile Systems Consulting and DevelopmentWe provide tailored solutions across various sectors, leveraging cutting-edge technologies such as Code Versioning and responsive development for diverse devices. Our expertise spans languages like Ruby on Rails, PHP, Python, and Javascript/Typescript, along with frameworks like Reactjs and React Native. We ensure quality through automated testing and QA services, and offer VPS server hosting and maintenance on platforms like Digital Ocean, Linode, and Amazon EC2. Show less

I manage a team developing administrative systems and an app for a gas company. Employing Scrum for agile delivery, I analyze demands for new features with technical expertise.

I developed an administrative system to manage gas cylinder sales, including customer requests for exchanges. I utilized Ruby on Rails for the backend, Reactjs for the administrative frontend, and React Native for both customer and installer mobile apps. The system comprises a web application for attendants, a customer app for exchange requests, and another for technicians to access schedules and perform exchanges, with communication via Rest API. Automated tests are implemented across all… Show more I developed an administrative system to manage gas cylinder sales, including customer requests for exchanges. I utilized Ruby on Rails for the backend, Reactjs for the administrative frontend, and React Native for both customer and installer mobile apps. The system comprises a web application for attendants, a customer app for exchange requests, and another for technicians to access schedules and perform exchanges, with communication via Rest API. Automated tests are implemented across all systems and apps. Show less

At Rateio Digital, I crafted payment management products for ERPs and marketplaces, employing Ruby on Rails, Python, and ExpressJS on the backend, ReactJS on the web frontend, and React-Native on the mobile frontend. Emphasized user simplicity for buyers and implemented payment splitting for sellers and stores.

Experience in maintaining systems in PHP for selling airline tickets and miles, in addition to implementing ETL using Airflow for integration between sales and financial systems, developing classes and modules in Python.

With expertise in developing various systems, ranging from legacy monoliths to microservices architectures, I specialize in online real estate, HR, and mechanical workshop management systems. Primarily utilizing Ruby on Rails and GraphQL, I manage background processing with Sidekiq and Whenever. Proficient in MySQL, PostgreSQL, and Redis databases.

Development of software for credit cooperatives using PHP and JavaScript, using FrameWork Prototype/jQuery and MySQL database. With integration to the cooperative's banking system database.

Development of management software for Municipal Education, Health, Social Development and Tax Departments using the Ruby language, javascript and the Ruby on Rails jQuery Framework, Prototype and JS backbone, MySQL and PostgreSQL databases. BDD and TDD with the Rspec and Capybara Framework

Development of management software for Municipal Education, Health, Social Development and Tax Departments using the Ruby language, javascript and the Ruby on Rails jQuery Framework, Prototype and JS backbone, MySQL and PostgreSQL databases. BDD and TDD with the Rspec and Capybara Framework

Development of software for credit cooperatives using PHP and JavaScript, using FrameWork Prototype/jQuery and MySQL database. With integration to the cooperative's banking system database.

Development of software for Remote Computer Management for public agencies using PHP, Java, Javascript languages.Development of management software for Municipal Education, Health, Social Development and Tax Departments using the Ruby language, javascript and the Ruby on Rails jQuery Framework, Prototype and JS backbone, MySQL and PostgreSQL databases. BDD and TDD with the Rspec and Capybara Framework

Development of distance learning software using PHP, Javascript and MySQL.

Development of distance learning software using PHP, Javascript and MySQL.