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Dhonatan C.
Mobile Engineer - React Native

Ruby On Rails
React Native
Next.js
Typescript
Ruby
Javascript
Amazon Aws
React
Bio

A skilled developer with over 8 years of experience, specializing in React, React Native, and Ruby on Rails. Proficient in a diverse set of technologies and tools including JavaScript, TypeScript, HTML, CSS, PostgreSQL, MySQL, and various APIs and integrations, I have extensive experience in both Android and iOS development. My professional expertise also includes roles such as tech leadership, project management, and manual quality assurance. Additionally, I am well-versed in implementing Scrum methodologies and bring a comprehensive understanding of web development.

  • React, React Native & Ruby on Rails Developer / Co-Founder & CTO
    5/1/2020 - Present

    Coordinated and developed nearly 100% of a project built from scratch, showcasing extensive proficiency in Ruby on Rails for the backend, with integrations including Algolia, AWS, Cloudinary, Heroku, and Pagarme. For the frontend, utilized React with TypeScript, including integrations with Next.js, OneSignal, Pagarme, and Cloudinary. Continuously developed new features and incorporated emerging technologies to enhance project functionality.

  • React, React Native & Ruby on Rails Developer
    1/1/2020 - 1/1/2021

    Developed comprehensive technical expertise in Ruby on Rails, React, TypeScript, and React Native while working on numerous applications. Gained extensive experience in building user-friendly web interfaces using HTML and CSS. Demonstrated proficiency in managing and optimizing databases with PostgreSQL and MySQL. Skillfully executed API integrations to enhance application functionality and interoperability. Consistently delivered high-quality code through collaborative projects on UpWork.

  • Project Manager, React Native & Ruby on Rails Developer
    2/1/2015 - 12/1/2019

    Managed client projects from inception to completion, with a strong emphasis on understanding requirements and delivering tailored solutions. Developed expertise in Ruby on Rails for constructing web pages, e-commerce platforms, and API integrations. Leveraged React Native to develop a diverse range of applications, including sales management apps, SaaS platforms, and commerce applications. Gained proficiency in WordPress, Tray, Vtex, and Prestashop for various client projects. Successfully contributed to the development of over 400 projects.

  • Quality and Test Analyst
    4/1/2014 - 2/1/2015

    Developed proficiency in test automation and manual testing. Utilized tools and frameworks such as Selenium WebDriver, JUnit, TestNG, and Cucumber. Conducted performance testing using JMeter and load testing with LoadRunner. Gained expertise in API testing with Postman and REST Assured. Demonstrated skills in creating and maintaining test scripts, ensuring comprehensive test coverage and identifying potential software defects. Applied continuous integration practices, integrating tests with Jenkins and Bamboo. Employed bug tracking and test management tools like JIRA, TestRail, and Bugzilla. Ensured collaborative work through version control systems such as Git and SVN, participating actively in Agile methodologies and daily standups. Developed strong problem-solving abilities and an acute attention to detail, contributing to improved software quality and user experience.

  • Support Analyst
    4/1/2013 - 4/1/2014

    Gained in-depth expertise in managing and optimizing databases using SQL, with significant experience in Firebase and PostgreSQL. Developed and implemented complex queries to facilitate data retrieval and manipulation, increasing data accuracy and efficiency. Extensively used Firebase for real-time data synchronization and scalable cloud storage solutions. Executed PostgreSQL for relational database management, ensuring high performance and security. Demonstrated proficiency in writing and optimizing SQL scripts, performing database migrations, and ensuring database integrity. Contributed to data analysis and reporting, enhancing decision-making processes. Utilized advanced database features such as indexing, partitioning, and stored procedures to improve system performance. Actively collaborated with development teams to design and implement database schemas, enforcing best practices in database design and management.

  • The text System Information you've provided doesn't appear to be an educational degree. Could you please provide an educational degree, or clarify if you need information or help with something else? at Western University of Santa Catarina
    2013 - 2018

  • Y Combinator School at Y Combinator
    2022 - 2022

  • People Management: Developing Strategies at Western University of Santa Catarina
    2017 - 2017

  • Human development at Western University of Santa Catarina
    2017 - 2017

  • Project & Reseller at Vtex Academy
    2018 - 2018

  • Digital Companies & E-business Revolution at California State University, Northridge
    2018 - 2018

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