Elder Santos

Elder Santos

Sao Jose dos Campos, Brazil
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Elder Santos

Elder Santos

Sao Jose dos Campos, Brazil
Member since March 6, 2013
An accomplished software engineer, Elder specializes in machine learning and data science. He has expertise in the full life cycle of the software design process, including: requirement specifications, prototyping, proof of concept, human-interface design, implementation, testing, and maintenance.
Elder is now available for hire
Portfolio
Experience
  • Python, 6 years
  • Machine Learning, 4 years
  • C/C++, 9 years
  • JavaScript, 6 years
  • Express, 1 year
  • Node.js, 2 years
  • C#, 11 years
  • SQL, 10 years
Sao Jose dos Campos, Brazil
Availability
Part-time
Preferred Environment
Mac, Sublime, GitHub
The most amazing...
...software I've built is an aircraft maintenance program directly connected to the military 1553 bus, which uses shortest path algorithms and a little AI.
Employment
  • Technical Lead
    LynasLogic
    2008 - PRESENT
    • Supported software engineering team with technical decision-making.
    • Worked as Senior Developer in .NET platform.
    • Handled development of applications related to financial products.
    • Maintained old or out-dated C# projects for customers around the world.
    • Updated a legacy application using ASP.NET MVC, C#, JavaScript, MVVM, and Twitter Bootstrap, releasing an entirely new version.
    Technologies: C#, T-SQL, PL-SQL, PostgreSQL, WPF, WCF, JavaScript, AWS, Azure, SIlverlight, EntityFramework, NHibernate, Dapper, Oracle
  • Technical Lead
    Microsoft Innovation Center
    2007 - 2008
    • Handled technical requirements in interop projects.
    • Developed cross-platform software for Windows and Linux.
    • Worked with the most up-to-date Microsoft technologies including Silverlight, WPF, WCF, and WWF.
    • Researched local market and provided training for locals.
    • Supported local companies with technologies like: Microsoft Silverlight, WPF, WCF, WWF and SQL Server.
    Technologies: C#, VB.NET, Sharepoint, SQL Server, Oracle, Linux, Java, WF, WPF, WCF, Silverlight
  • Solution Archtect
    Onset Technologies
    2007 - 2008
    • Provided interoperability between .NET and Ruby applications.
    • Analyzed software requirements and provided solutions based on the Microsoft platform.
    • Solved business problems with solutions architected under the .NET platform and other Microsoft products.
    • Held responsibility for internal and external projects as Project Manager using Microsoft Sharepoint technologies.
    • Created a global application for Johnson & Johnson to monitor all their other applications (including ERP) around the world.
    Technologies: C#, SQL Server, Oracle, My SQL, VB.NET, C++, Sharepoint
Experience
  • SPL Fiscal (Development)

    A web application written in ASP.NET using NHibernate to handle ORM communication with SQL Server and Oracle databases. the app is used to generate digital files dynamically according to user configurations.
    Includes a great background execution process to analyze data and yield results in different formats.

  • Keeptrue Web Site (Development)
    http://www.keeptrue.com

    A Sharepoint 2010-based web site used to offer audits on Brazilian fiscal files.

  • Data Mining for Predictive Social Network Analysis (Publication)
    Analysts have come to recognize social network data as a virtual treasure trove of information for sensing public opinion trends and groundswells of support. In this article, Toptal Engineer Elder Santos describes the techniques he employed for a proof-of-concept that effectively analyzed Twitter Trend Topics to predict, as a sample test case, regional voting patterns in the 2014 Brazilian presidential election.
Skills
  • Languages
    HTML, Python, CSS, T4, HTML5, C/C++, XAML, JavaScript, XML/XSLT, C#, F#, TypeScript, Objective-C, Java, Ruby, SQL
  • Frameworks
    .NET, Flask, ASP.NET MVC, Django, Silverlight, NHibernate, Kendo UI, WPF, Express, ASP.NET Web API, Twitter Bootstrap, Sails.js, Caliburn.Micro, WCF, Entity, Windows PowerShell, Ruby on Rails, Caliburn, Knockout.js, AngularJS, Silverlight Unit Test Framework, Spring MVC
  • Libraries/APIs
    jQuery, Node.js, jQuery UI, Twitter API, LinkedIn API, SQLite, Facebook API, Backbone.js
  • Tools
    Sublime Text, Micorsoft Visual Studio, GitHub, TextMate, Mercurial, SVN, LINQ to SQL, Emacs, Microsoft Team Foundation Server, Talend ETL, Microsoft Project, Eclipse, Expression Blend
  • Paradigms
    Object-oriented Programming (OOP), Design Patterns, Agile Software Development, Procedural programming, Functional programming, Parallel programming
  • Storage
    SQL Server, MongoDB, PostgreSQL, Oracle, NoSQL, MySQL, RavenDB
  • Misc
    Machine Learning, JSON, MCSD, MCDBA, MCSA, BizTalk, MCT, MCST
  • Platforms
    SharePoint, Windows 8, Windows Azure, Linux, iOS, Windows Phone, Windows, Django CMS, Mac OS
Education
  • Master degree in Artificial Intelligence
    Universidade Federal de São Paulo - Sao Jose dos Campos
    2014 - 2016
  • Bachelor degree in Computer Science
    Universidade Federal de Sao Carlos - Sao Carlos, Brazil
    2008 - 2012
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