Benjamin Hopfer, Computational Geometry Developer in Graz, Austria
Benjamin Hopfer

Computational Geometry Developer in Graz, Austria

Member since June 13, 2014
Benjamin is an algorithmic problem solver with a strong background in C# and C++. His university education emphasized computer graphics and computer vision. In the past six years, he's mainly worked in computational geometry, computer graphics, and computer vision using C++, VTK, PCL, and Qt.
Benjamin is now available for hire

Portfolio

Experience

  • Computational Geometry 10 years
  • 3D 10 years
  • C# 10 years
  • C++ 8 years
  • Qt 8 years
  • Scientific Computing 6 years
  • VTK 6 years
  • Data Visualization 3 years

Location

Graz, Austria

Availability

Part-time

Preferred Environment

CMake, Google Test, Git, Visual Studio Code, VS Code, Visual Studio, Windows 10

The most amazing...

...honor I've received is the the best thesis award for my master's thesis on processing and visualizing computational fluid dynamics results.

Employment

  • Lead Developer

    2014 - PRESENT
    Freelance
    • Researched and developed numerous 3D algorithms and visualizations in the dental field and integrated them into one prototype Qt GUI.
    • Developed and maintained an online licensing system for these software products using C#.NET and Azure.
    • Set up the prototypes' production and in the process of designing modern GUIs for final products.
    Technologies: Azure, C#.NET, Windows PowerShell, Eigen, PCL, VTK, CMake, Qt, C++17
  • Software Developer and Tester (Life Insurance Calculator)

    2008 - 2014
    Grazer Wechselseitige Versicherung AG
    • Developed a new calculation core for life insurances in C# .NET.
    • Allowed the core to calculate all life insurance products and contract changes of the company and its foreign subsidiaries (~1000 products). Implemented a solid software design that included all products without duplicating code.
    • Replaced three other existing calculation cores with our new one.
    • Created a testing framework (both GUI and MSTest accessible) to ensure consistent quality of the core.
    • Supported another team within the company with their software design for a similar calculation core.
    Technologies: TFS, Excel VBA, ASP.NET, XML, SQL CE, SQL, C#.NET
  • Scientific Software Researcher

    2010 - 2012
    VIRTUAL VEHICLE Reserach Center, Graz
    • Implemented 3D data processing and visualization of computational fluid dynamics results with C++ and VTK for my diploma thesis.
    • Created a novel algorithm for understanding and visualizing large air flow data sets.
    • Developed an evaluation framework to compare my algorithm with existing solutions and aid in the selection of the best algorithm.
    • Typeset my thesis in LaTex, using a highly customized style to achieve high typographic detail and quality.
    • Received the Best Thesis Award by the "Fraunhofer Institute for Computer Graphics Research IGD".
    Technologies: LaTeX, Qt, ParaView, VTK, C++
  • Junior Functional Tester

    2007 - 2008
    IBM SkillTeam at Fortis Bank (Brussels, Belgium)
    • Developed and executed software test scenarios for a major Global Markets banking application (J/Rates).
    • Was hired as a Junior Functional Tester due to my young age, but was very quickly assigned the same tasks as Senior Functional Testers.
    • Was ultimately responsible for testing the whole interest rate derivatives branch.
    • Performed unstructured exploratory testing before important releases as the only member of the team because of my strong analytical abilities.
    • Collected my first foreign job experience within an international environment.
    Technologies: Visual Basic for Applications (VBA), SQL, IBM Rational Functional Tester (RFT)
  • Software Developer and Tester

    2006 - 2007
    Grazer Wechselseitige Versicherung
    • Tested and developed software for the company and its foreign subsidiaries.
    • Carried out these tasks part time next to my studies and learned proper time management skills. Used Tim Allen's "Getting Things Done" philosophy ever since.
    • Worked directly within the life insurance department and acquired know-how about efficient communication with "Non-IT" people.
    • Gained practical knowledge about the unique requirements of insurance and finance products.
    • Experienced working in the environment fostered by a large, conservative company.
    Technologies: XML, Pascal, SQL, Excel VBA, C#.NET, VP/MS

Experience

Skills

  • Languages

    C#, C++, SQL, C#.NET, XML, Excel VBA, Visual Basic for Applications (VBA), C++17
  • Frameworks

    Qt, .NET, Android SDK, Google Test, Windows PowerShell, ASP.NET Web API, ASP.NET
  • Libraries/APIs

    VTK, Windows Forms (WinForms), Eigen, PCL
  • Tools

    CMake, Microsoft Visual Studio, ParaView, Visual Studio, VS Code, Git, LaTeX, Microsoft Team Foundation Server
  • Paradigms

    Object-oriented Programming (OOP), Object-oriented Design (OOD), Unit Testing, Functional Programming, Logic Programming
  • Platforms

    Windows, Visual Studio Code, Azure, Linux
  • Other

    3D Geometric Analysis, Computer Vision, 3D, Computational Geometry, 3D CAD, Dental Care, Mesh Development, Point Clouds, Computer Graphics, Scientific Computing, VP/MS, Data Visualization
  • Storage

    Microsoft SQL Server, SQL CE, MSSQLCE, MySQL

Education

  • Master's (with Distinction) Degree in Computer Science
    2008 - 2012
    Graz University of Technology - Graz, Austria
  • Bachelor's (with Distinction) Degree in Computer Science
    2004 - 2007
    Graz University of Technology - Graz, Austria

To view more profiles

Join Toptal
Share it with others