Scroll To View More
Hire the top 3% of freelance developers
toptal.com
Call us: +1.888.604.3188
Kleber Pinel Bernardo da Silva, Java Developer in Vancouver, BC, Canada
Kleber Pinel Bernardo da Silva

Java Developer in Vancouver, BC, Canada

Member since February 26, 2013
Kleber has over 11 years of successful programming experience. He is most proficient in Java and Ruby on Rails but enjoys mastering new technologies in order to efficiently solve a wider range of problems. He has thrived both as a group leader and in individual settings.
Kleber is now available for hire
Hire Kleber

Portfolio

Experience

  • Java, 8 years
  • Java EE, 8 years
  • Ruby, 5 years
  • Ruby on Rails (RoR), 5 years
  • JavaScript, 4 years
  • DevOps, 3 years
  • AngularJS, 1 year
Vancouver, BC, Canada

Availability

Part-time

Preferred Environment

Mac OS X, Eclipse, Sublime Text, Linux

The most amazing...

...software I've written was for Oi Telecom and includes a back-end with REST architecture and a static HTML front-end for Ajax requests.

Employment

  • Lead Developer

    2017 - PRESENT
    Pintellect
    • Planned and implemented the system's architecture from scratch.
    • Structured the long-term plan for Pintellect, created tasks, and managed them.
    • Led the development team with around five developers.
    • Worked on development from back-end and front-end.
    • Worked with Ruby on Rails with React.
    • Implemented automatized tests with Selenium + Cucumber + Rukuli.
    • Used and managed many services from AWS and Heroku.
    Technologies: Ruby on Rails, React, AWS

  • Software Developer

    2012 - PRESENT
    Toptal
    • Optimized indexing process for file system, HTTP, and feeds RSS using the Akka framework.
    • Integrated with Apache Shiro for authentication and authorization.
    • Imported big data in a Java DB.
    • Handled queries and optimization using JDBC.
    Technologies: Java, Node.js, Ruby on Rails

  • Full-stack Developer

    2017 - 2018
    Attendease
    • Implemented new features covering all software development flow.
    • Led the team of three developers, helping them to be focused in the task implementation and making sure that we'll deliver the features in the right time.
    • Worked with Ruby on Rails as a back-end solution and Backbone + React in the front-end.
    • Coded Ruby modules using the Command/Query pattern to have domain-specific classes and make it easier to test.
    • Upgraded some legacy code to be ready for a future Rails upgrade.
    • Collaborated with colleagues to define architectural points in the platform.
    • Led, planned, and implemented reusable components in React.
    Technologies: Ruby on Rails, React, AWS

  • Senior Full-stack Developer

    2016 - 2017
    Predictable Revenue
    • Maintained the system supporting all account strategists and guaranteed that the system is responsive all the time.
    • Created materialized views to provide a better user experience.
    • Developed on both back-end and front-end.
    Technologies: Ruby, Rails, Angular, Redux, Postgres

  • Senior Software Engineer

    2013 - 2016
    Your Wise
    • Created a Zero application with Ruby on Rails and AngularJS.
    • Implemented continuous deployment in AWS.
    • Managed a development team.
    • Configured the DevOps operation.
    Technologies: Ruby on Rails, AngularJS

  • Senior Software Developer

    2014 - 2014
    Move Mais
    • Worked on the interface along with a third-party development team and a business team.
    • Created smart reports for the business area.
    Technologies: Java

  • Senior Software Developer

    2013 - 2014
    TimWE
    • Implemented integration between Carrier Nextel and Timwe's services to send and receive SMS by Web Services.
    • Maintained an Oracle productions database using PL/SQL to execute queries.
    • Communicated with partner companies to apply and implement solutions in our system.
    • Maintained a Unix server analyzing logs and their life cycles.
    Technologies: Java

  • System Analyst

    2012 - 2013
    Oi Internet
    • Worked on eCommerce software for sale services provided by Oi Telecom.
    • Created web apps for a mail-sender service and an authentication service based on JSON.
    • Implemented REST architecture with VRator.
    • Included integration with back-end systems exposed by SOAP.
    • Created tests with Selenium Java to ensure page functionality.
    Technologies: Java, Ruby on Rails, Node.js, MongoDB

  • System Analyst

    2010 - 2012
    IG - Internet Group
    • Developed applications in Java using JEE for web applications.
    • Used Scrum methodology to manage app development.
    • Imported content from an XML file.
    • Led group technical discussions.
    • Used a stored procedure to extract BI reports.
    Technologies: Hibernate 3, Struts 2, Spring, JPA, Ruby on Rails, Grails, Adobe Flex, Adobe AIR, Node.js, MongoDB

  • System Analyst

    2008 - 2010
    TCS - Tata Consultancy Service
    • Developed apps in Java using WebLogic Portal version 8.1 sp6 for the Itaipu Binacional Hydroelectric Plant.
    • Created a mortgage system and developed new applications for Santander/Real Bank.
    • Communicated with a back-end system in the mainframe through messaging software such as JMS.
    • Wrote a Java back-end solution.
    • Led a small group of five developers.
    Technologies: BEA WebLogic Portal version 8.1 SP6, Oracle 10g, EJB 2.0, Portlets, JCS, JCX, jUnit, Hibernate 3, Struts 2, Spring, JPA, WebSphere Application, Spring, WebSphere MQ, JMS, JSF

  • Java Consultance

    2007 - 2008
    Dynamic Tecnologia
    • Worked in systems development for Publishing Abril.
    • Maintained the Abrilnet system responsible for internal communication.
    • Maintained the search engine (FAST).
    • Maintained the Passaporte Abril System responsible for authentication of sites within the Abril domain.
    • Created several CMS systems such as PWA and FWA, among others.
    Technologies: Java 5, JSP, Struts, Visual SourceSafe, Subversion, J2EE, Oracle, JBoss, Unix, Web Services, MySQL, SQL Server, ASP, PHP

Experience

  • Pintellect (Development)
    http://www.pintellect.io

    Pintellect is a targeted information sharing platform.

    Overcome the inundation of content in linear feeds by focusing on the key highlights and takeaways.

    Highlight and annotate the key nuggets of content within any external web article, PDF, or website as it relates to your organization or immediate teammates. Add context on the information by creating annotations, visible on the source website via the browser extension. Establish permissions on who can see your content within your network. Notify teammates in comments and annotations by @name mentioning them via Slack, Teams, and Workplace. Organize the key takeaways using personal or collaborative pinboards. Create an on-going, searchable repository of content.

  • SGPF - Sistema de Gerenciamento de Projetos e Finanças (Management System and Project Finance) (Development)

    I created this project as a management tool for engineering projects in all phases of PME methodology.

  • Personal Wedding Website (Development)

    This is a website that I created using Ruby on Rails to update wedding information.

  • Toptal Mentor
    Kleber is a mentor in the Toptal Global Mentor’s Program. This program is a partnership between Toptal and General Assembly to provide high quality mentorship for students from minority and low income backgrounds who are looking to begin their careers as professional software engineers. Kleber shows commitment to diversity in tech by mentoring a General Assembly student every week for a year, covering everything from coding tips and tricks to advice on making it in the industry.

Skills

  • Languages

    Ruby, Java, HTML, JavaScript, Stored Procedure, PHP, SQL, C#, Objective-C

  • Frameworks

    Ruby on Rails (RoR), Apache Struts, Apache Struts 2, VRaptor, Hibernate, AngularJS

  • Tools

    Maven, Eclipse IDE, Sublime Text 3, Apache, Nginx

  • Paradigms

    Agile Software Development, Concurrent Programming, Functional Programming, DevOps, Aspect-oriented Programming

  • Platforms

    Java EE, AWS EC2, NetBeans, Linux, iOS

  • Libraries/APIs

    React, jQuery, Node.js, Facebook API

  • Storage

    Memcached, MongoDB, MySQL, NoSQL, Redis, Membase, PostgreSQL

Education

  • Bachelor's degree in Computer Science
    2005 - 2009
    University Presbiteriana Mackenzie School of Computing and Informatics - São Paulo, Brazil
Certifications
  • Sun Java Platform Programmer, Standard Edition 5.0 (CX-310- 055)
    JUNE 2007 - PRESENT
    Sun Microsystems
Hire the top 3% of freelance developers
toptal.com
Call us: +1.888.604.3188
To view more profiles, join ToptalJoin Toptal
I really like this profile
Share it with others