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Rafael J.

Fullstack Developer

Rafael is a seasoned Senior Fullstack Developer with a focus on backend development, boasting a decade of hands-on experience across various industries and countries.

His expertise includes healthcare, tourism, music, and solar panels. He has contributed his skills to projects in Brazil and Denmark.

One of Rafael's standout achievements is developing a state-of-the-art CMS for a leading healthcare firm. This groundbreaking project transformed patient care by seamlessly integrating data from various medical facilities, providing easy access to diagnostics and predictive health analysis through AI technology.

Rafael has extensive experience in leading and managing development teams, including hiring, training, and mentoring team members.

Main expertise
  • JavaScript
    JavaScript 10 years
  • React.js
    React.js 6 years
  • Node.js
    Node.js 8 years
Other skills
  • Oracle
    Oracle 3 years
  • PHP
    PHP 3 years
    NGINX 3 years
Rafael J.


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Selected experience


  • Tech Lead - Senior Developer

    DASA CORP - 2 years

    • Developed the company's responsive website (frontend, BFF, and backend), as well as its maintenance and improvement.
    • Created a pattern for the frontend, backend, CI/CD, and testing features for the company's website.
    • Implemented Headless WordPress with Gatsby to create the static front end using React.js.
    • Developed a CRM tool to unify IDs from all labs used by our clients. Technologies used included Big Data, Node.js, React.js, AWS infrastructure, and Clean Architecture.


    • Technologies:
    • React.js React.js
    • Node.js Node.js
    • Jenkins Jenkins
    • AWS AWS
    • AWS Lambda AWS Lambda
    • AWS S3 AWS S3
    • DynamoDB DynamoDB
    • Unit Testing
  • Co-Founder - Fullstack Developer - Team Manager

    AKTIENOW - 1 year

    • Founded Aktienow to work with Customer Experience in partnership with Zendesk.
    • Created and maintained a development team, designed the architecture of many applications and integrations, presented solutions, and gathered customers such as Whirlpool and TOTVS.
    • Used the MEAN stack as a base, and integrated internal customer tools for each partner through Zendesk (middleware) with API implementations on the company’s processes.
    • Delivered the architecture of various systems and integrations and also participated in their development and implementation.


    • Technologies:
    • JavaScript JavaScript
    • Node.js Node.js
    • Python Python
  • Development Team Leader

    JVB - 1 year

    • Led the development team, including training and hiring.
    • Designed and developed solutions to meet the needs of senior developers.
    • Worked on projects in partnership with Zendesk.
    • Created system integrations with Correios and OLX and partnered with Buscapé to develop the "Buscapé te protege" feature.
    • Created Telegram bots for several clients.


    • Technologies:
    • JavaScript JavaScript
    • Node.js Node.js
    • MySQL MySQL
    • PostgreSQL PostgreSQL
    • PHP PHP
    • Team leading
  • Tech Lead I Senior Software Developer

    CVC Viagens - 5 years 3 months

    • Created and maintained the company's main website.
    • Was part of the team established for the launch of the company's digital transformation.
    • Learned Ember.js from scratch to create the website.
    • Acted as the Tech Lead for a team of seven people.
    • Was responsible for the technical management of the website as Tech Lead.


    • Technologies:
    • React.js React.js
    • Node.js Node.js
    • Jenkins Jenkins
    • AWS AWS
    • AWS Lambda AWS Lambda
    • AWS S3 AWS S3
    • DynamoDB DynamoDB
    • Ember.js Ember.js


  • BSc.Computer Science

    Faculdade Editora Nacional · 2007 - 2011

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