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Stuart Klette

Stuart Klette

London, United Kingdom
Member since July 27, 2016
Having come from an engineering and mathematics background, Stuart gained his stripes on the commodities trading floor at BP then WCAPRA. Currently, he works as the CTO of a startup with a varied portfolio including a number of joint ventures and client projects. He's worked on a wide range of development from large database development to the web to standards-based integrations and machine learning-based methods in the image recognition arena.
Stuart is now available for hire
Portfolio
  • Evolve IT
    C#, .NET Core, ASP, EF, React, TypeScript, F#, C++, OpenCV, Node.js, MongoDB...
  • WCAPRA
    C#, ASP, SPML, SQL, WPF, LDAP, Active Directory
  • BP
    C#, SQL, WPF, Silverlight, Excel, VB, WCF, Rx, DevExpress, FIX, TFS
Experience
  • C#, 9 years
  • SQL, 8 years
  • MongoDB, 3 years
  • Docker, 3 years
  • Nginx, 3 years
  • ASP.NET Core, 3 years
  • TypeScript, 1 year
  • React, 1 year
London, United Kingdom
Availability
Part-time
Preferred Environment
Git, Bash, Windows, VSCode, Visual Studio Review
The most amazing...
...thing I've built was a global energy map—displaying tens of thousands of interactive energy assets on a map, showing e.g. ships, offshore meetings.
Employment
  • CTO
    2015 - PRESENT
    Evolve IT
    • Developed the Fit Vault app: a health rewards mobile and web application.
    • Developed an image recognition system for the Whizzky mobile app.
    • Supervised the transition of the Wine Wizard site to a new hosting and development stack.
    • Centralized an OAuth2 and OpenID multi-tenant service for serving a number of client applications.
    • Supported Fuel Forecourt in the monitoring and provision system for tracking tank levels and more.
    Technologies: C#, .NET Core, ASP, EF, React, TypeScript, F#, C++, OpenCV, Node.js, MongoDB, Docker, Ansible, Nginx,
  • Developer
    2014 - 2015
    WCAPRA
    • Developed an SPML provisioning integration layer, to support a large (~200,000 users) migration to cloud-based email with split active directory responsibilities (cloud vs local).
    • Built a working prototype to provide pre-emptive notifications and remedy option during work-station lockouts across a large distributed active directory domain.
    • Supported and tuned (the performance) of an end-to-end ASP Web Forms application for managing the expected demand and provisioning of IT equipment.
    Technologies: C#, ASP, SPML, SQL, WPF, LDAP, Active Directory
  • Front Office Developer
    2010 - 2014
    BP
    • Developed a trade blotter for automated capture of oil trades and subsequent integrations with existing volatility and pricing and exchange and FIX endpoints.
    • Developed an automated and integrated reporting tool to meet the Dodd-Frank requirement for EMIR, primarily reporting to the ICE Exchange.
    • Developed a trading simulator as a tool for teaching and assessing trading ability.
    • Initiated and implemented an ASP.NET front-end continuous-integration portal which connected TFS and Jenkins for the automated deployment of click-once applications.
    • Developed the Silverlight client for a global energy map, displaying tens of thousands of interactive energy assets on a map, showing ships, offshore meetings, trading routes, and more.
    • Supported a biofuels end-to-end application that was meant to assist operators and enable tighter trading by recording certification status and providing trading information based on biofuel certification systems, predominantly German.
    • Developed and supported large Excel pricing sheets, used as primary trading tools.
    • Supported all manners of trading related software and Excel trading sheets on the floor.
    Technologies: C#, SQL, WPF, Silverlight, Excel, VB, WCF, Rx, DevExpress, FIX, TFS
Experience
  • Fit Vault (Development)
    http://www.fitvault.co.za

    A health rewards mobile and web app which connects users to gyms and rewards them for healthy activities.

  • Whizzky Image Recognition (Development)
    http://www.whizzky.net

    An image recognition solution for our Whizzky mobile app.

  • F# Akka.NET Distributed Email Service (Development)

    A distributed emailing service; albeit this is still a POC project, it is actively used in production and is very stable (so far no downtime).

Skills
  • Languages
    C#, JavaScript, TypeScript, SQL, T-SQL, F#, VB.NET, Visual Basic for Applications (VBA)
  • Frameworks
    ASP.NET Core, WPF, Entity Core, Windows Communication Framework (WCF), ASP, Caliburn.Micro, Express.js, Actionhero.js, Knockout.js, OAuth2, Rx, Silverlight
  • Platforms
    Docker, Xamarin
  • Libraries/APIs
    React, ReactiveX, Node.js, OpenCV
  • Tools
    Ansible, Shell, Excel 2016, Autofac, Git, Nginx, Prism
  • Storage
    MongoDB, MySQL
  • Paradigms
    Financial Information Exchange (FIX) Protocol
  • Other
    DevExpress, EF6 Code First, Identity Server, Akka.NET
Education
  • Bachelor's degree with honors in Electrical Engineering
    2001 - 2006
    University of the Witwatersrand - Johannesburg, South Africa
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