Ernest Smith, Software Developer in Cape Town, Western Cape, South Africa
Ernest Smith

Software Developer in Cape Town, Western Cape, South Africa

Member since April 9, 2015
Ernest began his career as a computer operator, but then transitioned to a programmer, and finally a systems analyst. Using his evolving skill set, he started his own fraud prevention software company with two friends. Ernest also has experience in stock trading and IT.
Ernest is now available for hire

Portfolio

Experience

Location

Cape Town, Western Cape, South Africa

Availability

Full-time

Preferred Environment

Git, Subversion (SVN), Eclipse, Visual Studio, Linux, Windows

The most amazing...

...thing I've developed is a complete workflow system based on Petri Nets used by the Receiver of Revenue. I adapted the system to be used as a decision engine.

Employment

  • Database Developer

    2015 - PRESENT
    Peak Games
    • Worked on the performance issues the client had that were associated with their data warehouse.
    • Recommended a star schema design.
    • Analyzed the worst performing queries.
    • Looked at using newer technologies.
    Technologies: Vertica
  • Senior Systems Architect/Developer

    2008 - PRESENT
    RevenueRED
    • Developed mobile phone applications for Windows Phone and Web.
    • Developed a decision engine for financial processes.
    • Designed and developed a Revenue Recovery System.
    • Designed and developed a workflow solution for large companies.
    • Helped design a scorecard system for retailers.
    Technologies: Perl, C#, .NET, CSS, HTML, Microsoft SQL Server
  • SQL Developer

    2015 - 2015
    Artificial Medical Supplies (via Toptal)
    • Addressed a large amount of deadlocks that the client had that were impacting performance and data integrity.
    • Monitored the database to get to the root cause.
    • Identified the root causes and implemented a strategy to fix the problem.
    • Successfully implemented my recommendations to the client's satisfaction.
    Technologies: Microsoft SQL Server, .NET
  • Database Developer

    2015 - 2015
    GIS Workshop, LLC (via Toptal)
    • Normalized a third party database that the client needed to consolidate with their own.
    • Built the third party relational database.
    • Developed upload processes for the client and the third party's data.
    • Added a relationship between the databases.
    Technologies: Microsoft SQL Server
  • CEO

    2004 - 2008
    ATC Clearing Centre
    • Involved in all aspects of application development including project management, system design, analysis, application development, testing, and implementation.
    • Managed version control.
    • Maintained the company's image.
    Technologies: Microsoft SQL Server, Visual Basic

Experience

  • Mobile Field Worker System (Development)

    This system sends tasks to a mobile device from a web interface. The mobile worker is tracked and his location recorded periodically. When the worker completes a task, the results are transmitted to the controlling system for immediate processing. The worker's progress is monitored and if need be new tasks can added to the mobile device and existing tasks can be withdrawn.

  • Workflow System (Development)

    Dynamically designed and versatile workflow system that has been used to perform the core functionality of an Estates Tax System. Implemented systems include Insolvency Tax System, Municipal Revenue Protection System, Score Card System, and Financial Management System to name a few.

  • Decision Engine (Development)

    Designed a versatile decision engine which accepts rules in XML and makes decisions based on these rules.

Skills

  • Languages

    COBOL, T-SQL, JavaScript, Perl, CSS, HTML, Visual Basic, C#, Python 3
  • Frameworks

    ASP.NET Dynamic Data, Dancer, CSLA, Catalyst, Bootstrap, .NET, AngularJS, ASP.NET
  • Libraries/APIs

    Node.js, jQuery, Facebook API
  • Tools

    Microsoft Visual Studio, Eclipse IDE, Microsoft Project, Git, VisualSVN, JCL, Visual Studio, Subversion (SVN)
  • Storage

    Microsoft SQL Server, SQL Azure, Azure SQL, IBM Db2, MySQL, Vertica, Azure Blobs, Oracle PL/SQL
  • Platforms

    Azure IaaS, Azure PaaS, Azure, Linux, Windows, Eclipse, Oracle, Android, Windows Phone
  • Paradigms

    Scrum

Education

  • Cerificate degree in Computers Analysis Design and Development
    1995 - 1995
    Computer Users Council - Cape Town, South Africa
  • Diploma degree in Datametics
    1992 - 1993
    Unisa - Pretoria, South Africa
  • Cerificate degree in Computer Programming
    1989 - 1990
    Computer Training Academy - Cape Town, South Africa

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