Quintonn Rothmann, Developer in Chichester, United Kingdom
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Quintonn Rothmann

Verified Expert  in Engineering

Bio

Quintonn is a passionate software developer who's always looking for ways to improve. With over 10 years of experience, he's worked as part of very small (two members) and large (six or more) teams. During that time, he's held several positions, including lead developer.

Portfolio

Lyniate
XSLT, XSD, XML, CSS, HTML, Java, JavaScript, TypeScript, React, .NET...
Orion Health
SAP, Java, REST APIs, Microsoft SQL Server, Back-end, REST, SMART on FHIR...
Securities and Trading Technology
CruiseControl, NAnt, Windows Communication Foundation (WCF)...

Experience

  • .NET 4 - 7 years
  • C# - 5 years
  • Java - 5 years
  • .NET - 5 years
  • JavaScript - 5 years
  • .NET Core - 5 years
  • ASP.NET - 4 years
  • .NET 5 - 1 year

Availability

Part-time

Preferred Environment

Flexibility, REST

The most amazing...

...software I've been responsible for was a Delphi application to communicate with both fuel dispensing machines and a legacy POS at a fuel station.

Work Experience

Full-stack Developer

2015 - PRESENT
Lyniate
  • Developed and implemented front-end and back-end software.
  • Assisted with sales and pre-sales duties as well as product demonstrations and presentations.
  • Developed custom Java components using OSGi and trained junior developers.
  • Worked extensively with HTML, JavaScript, CSS, and XML to configure the software.
  • Implemented web service calls and API calls as part of software implementation.
  • Worked with Oracle, Postgress, and MSSQL databases, creating queries, views, etc.
Technologies: XSLT, XSD, XML, CSS, HTML, Java, JavaScript, TypeScript, React, .NET, Asynchronous Programming, Pub/Sub, REST APIs, Microsoft SQL Server, Back-end, REST, Angular, Azure, Bootstrap, SMART on FHIR, .NET Core, ASP.NET MVC, Microsoft Teams

Contract Developer

2013 - 2015
Orion Health
  • Developed a SAP plug-in for one of the company's products (Rhapsody Integration Engine).
  • Created architectural design documents for the project.
  • Assisted with testing and fine-tuning solutions and configurations.
  • Met with clients to obtain precise requirements and specifications.
  • Performed on-site testing of developed solutions and integrations.
Technologies: SAP, Java, REST APIs, Microsoft SQL Server, Back-end, REST, SMART on FHIR, .NET Core, Entity Framework, Microsoft Teams

Lead Developer

2009 - 2013
Securities and Trading Technology
  • Converted legacy code to Pascal .NET.
  • Started and led development of a financial accounting system.
  • Interacted with clients to obtain requirements and specifications.
  • Designed various layers of application architecture for re-use in other projects.
  • Wrote up and managed documentation.
  • Trained and mentored new employees.
Technologies: CruiseControl, NAnt, Windows Communication Foundation (WCF), Microsoft Silverlight, NHibernate, .NET, Chrome, C#, Asynchronous Programming, REST APIs, Microsoft SQL Server, Back-end, REST

Junior Delphi Developer

2007 - 2008
Regal Computer Consultants
  • Maintained legacy Pick/BASIC Point-of-Sale software.
  • Started project to convert legacy code to Delphi.
  • Created Delphi application for controlling fuel dispensing machines and integrated into legacy Point-of-Sale software.
  • Created application for steel cutting company to calculate most effective way to cut steal .
Technologies: SQL, Pick D3, BASIC, Delphi, REST APIs, Microsoft SQL Server, Back-end, REST

Experience

qBic Open Source Platform

https://github.com/quintonn/QBic/
A platform for creating web servers, back-end solutions, CRM, or CMS systems in .Net 5.

qBic is powered by a code-driven configuration. The entire application is built using C# code. With qBic, you can create admin portals, dashboards, CMS sites, identity servers, and much more. All of this can be done while only writing .Net code, no HTML, JavaScript, or CSS. A lot of the magic is driven by abstract classes and inheritance.

Education

2010 - 2015

Honours Degree in Computer Science

University of South Africa (UNISA) - Pretoria, South Africa

2003 - 2009

Bachelor's Degree in Computer Science

University of South Africa - Pretoria, South Africa

Skills

Libraries/APIs

LINQ, React, REST APIs, jQuery, Entity Framework

Tools

Microsoft Visual Studio, Microsoft Silverlight, Jira, Mercurial, Microsoft Teams, Subversion (SVN), Bitbucket, Prism, NAnt, PostSharp, Turbo Pascal, SMART on FHIR

Languages

XML, HTML5, CSS3, HTML, CSS, C#, TypeScript, JavaScript, Delphi, SQL, BASIC, XSD, XSLT, Java, C++, GraphQL

Frameworks

.NET 4, .NET, .NET Core, .NET 5, ASP.NET, NHibernate, Angular, ASP.NET MVC, Chrome, Windows Presentation Foundation (WPF), WIF, Bootstrap

Paradigms

Unit Testing, Inversion of Control, Dependency Injection, Test-driven Development (TDD), Asynchronous Programming, REST

Platforms

Windows, Azure, Pick D3, Android

Storage

Microsoft SQL Server

Other

Cordova, HTTP REST, Back-end, Pub/Sub, CruiseControl, Flexibility, SAP, Windows Communication Foundation (WCF), W3.CSS, Programming, Complex Problem Solving

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