Ricardo de Castro Palácio, Developer in Fortaleza - State of Ceará, Brazil
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Ricardo de Castro Palácio

Verified Expert  in Engineering

Web Development Developer

Fortaleza - State of Ceará, Brazil
Toptal Member Since
June 6, 2017

Ricardo is a senior web developer with 13 years of experience who loves challenging projects and solving non-trivial problems through efficient and elegant algorithms. He's worked with many technologies—from C++, ASP.NET, and Java to Node.js—and is always exploring new possibilities as technologies keep evolving.



Preferred Environment

Eclipse, Bitbucket, WebStorm, Ubuntu Linux

The most amazing...

...project I've worked on recently is a learning platform that uses data analysis and machine learning algorithms to provide customized guidance to students.

Work Experience

Owner | Co-founder

2010 - PRESENT
Loopa Software
  • Created a web application that was for law firms with high security, concurrency, and scalability requirements (done for a startup client). Among the main technologies used: Node.js, AngularJS, Elasticsearch, PostgreSQL, Java, and Amazon AWS.
  • Developed an integrated solution for registering traffic tickets composed by REST web services, a PhoneGap mobile application, a web administrative platform, and data-integration tools. JavaScript, Node.js, and ASP.NET were the main technologies used.
  • Designed and developed a web-based management application to be used by local co-working environments using ASP.NET.
  • Provided consulting services as a database analyst.
Technologies: Elasticsearch, PostgreSQL, C#, Java, JavaScript, Angular, Node.js

Senior Full-stack Developer

2004 - 2010
Instituto UFC Virtual
  • Designed and developed tools for a web-based distance learning environment used daily by 10,000+ students.
  • Built a desktop cross-platform audio-conference environment using C++, wxWidgets, and the IAX protocol.
  • Created secure data integration tools to keep students' academic data consistent among different systems in the university.
  • Developed a user-friendly DSL which was used by end-users of an administrative application to create financial reports. The DSL statements were compiled in real-time with safe SQL queries.
Technologies: C++, ASP.NET, Java, JavaScript


Herakles is software aimed at law firms all over Brazil. It provides complete management over a team, lawsuits, tasks, versioned documents, and projects. It also automatically follows Brazilian official journals, gives complex access control over specific data based in project hierarchy, and provides a full in-office data search and other domain specific features.

I was the co-founder and head of the development team at www.herakles.com.br from 2014 to 2016.
2008 - 2010

Bachelor of Science in Computer Science

Universidade de Fortaleza | UNIFOR - Fortaleza, Ceará, Brazil


REST APIs, Node.js, React, Underscore.js, Mahout


WebStorm, Sequelize, Mocha, Eclipse IDE, Bitbucket, Gulp, Git, Apache Tomcat


JavaScript, CSS3, C#, Java, HTML5, Sass, C++, GraphQL


AngularJS, Express.js, ASP.NET, Angular




PostgreSQL, Elasticsearch, Amazon S3 (AWS S3)


Amazon EC2, Linux, Ubuntu, Ubuntu Linux, Eclipse, Apache2


Bluebird, RESTful Services, Web Development, IIS 7

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