Walter Reininger, P. Eng Email & Phone Number

Vaughan, On, Ca

Mississauga, Ontario, Canada

Lead a team of developers to investigate the integration of emerging technologies into the Reactiv SUITE software for Vizetto Inc., a direct subsidiary of Nytric Ltd. Technologies: Microsoft Visual C#, C++/CLI, JIRA, Bitbucket, .NET Framework/Core, LiveSwitch, COM, DirectX, ReactiveUI, WPF, MVVM, and XAML.• Added WebRTC functionality into Reactiv SUITE software to allow webcams and microphones to be used for video conferencing.• Implemented multiple custom rendering modules using different approaches to address poor WPF video rendering performance. Timing results for rendering were compared to determine the best module to use in Reactiv SUITE.

Mississauga, Ontario

Designed and implemented an API library and supporting customization and diagnostic applications in C# for a product line of touchscreens for Baanto International Ltd., a direct subsidiary of Nytric Ltd. Technologies: Microsoft Visual C#, JIRA, Bitbucket, .NET Framework, WPF, MVVM, ReactiveUI, and XAML.• Designed and implemented new API library in C# to isolate product line differences to allow third-party developers to easily create custom software for touchscreen installations.• Created a new configuration and diagnostic application using WPF and ReactiveUI to allow integrators the ability to customize touchscreen installations for specific environments.• Designed and implemented a custom firmware updater module and standalone application using WPF, Stateless and C# to allow integrators to easily update the touchscreen.

Mississauga, Ontario, Canada

See job description for Director of Software R&D at Nytric Ltd.

North Yorth, On

Lead a team of developers in converting an existing proprietary accounting system written in the Clarion language to C# applications using WPF and ASP.NET. Technologies: Microsoft Visual C#, TFS, SQL Server, T-SQL, .NET Framework, ADO.NET, WPF, XAML, MVVM, SSRS, ASP.NET and JavaScript• Designed and implemented new A/R, A/P, G/L and O/E application modules of the Steel accounting system using C#, WPF, XAML and SQL Server.• Designed and implemented a framework library to facilitate the quick development of the new modules. Library included a suite of objects, predefined behaviors, converters and controls.• Created utility to allow easy updates to the C# database objects by generating the source code from the SQL database schema. Each object contained fields which could be directly bound to within XAML code and methods that implemented rudimentary SQL operations.• Analyzed existing Clarion code to extract database operations. Implemented equivalent SQL stored procedures to accomplish each task. Fine-tuned all stored procedures to achieve maximum performance. • Designed and implemented more than 100 reports using SSRS and SQL stored procedures. • Designed and implemented a rental system using ASP.NET and JavaScript. Implementation included the creation of several web controls.

Concord, Ontario, Canada

Oversaw the consistency and direction of new feature sets and technologies added to an established suite of award-winning Windows-based estimating and billing products. Technologies: Microsoft Visual C# and Microsoft Visual C++, Microsoft Embedded Visual C++, TFS, BoundsChecker, AutoCAD, SQL Server, .NET Framework, .NET Compact Framework, .NET web services, WCF, MFC, C++/CLI, ATL, VSTO, XML, WCF, COM, and RPC.• Enabled company to enter the mobile market by designing and implementing Windows CE versions of the estimating software. Won industry recognition as NECA Show Stopper and Constructech Top Products awards.• Allowed company to be the first estimating product to enter the CAD market by collaborating with another developer to design and implement a COM plug-in for integration with an existing AutoCAD-based measurement product. Won industry recognition as IEC Software Product of the Year.• Achieved seamless end-user email integration with a web-based project management system by creating a VSTO integration plug-in for Outlook.• Designed and implemented a .NET scheduling product for contractor service industry through collaboration with a team of developers. Product allowed the company to strengthen its position in the contractor service field by complimenting its existing time and material billing product.• Designed and developed a .NET licensing service and supporting utilities to consolidate all of the various licensing schemes of Accubid’s software. By utilizing plug-in style architecture and dynamically-loaded components allowed for support of three types of different licensing devices and three different communication protocols.

Concord, Ontario, Canada

Managed a staff of eleven Software Developers and four Quality Assurance Specialists. Led department-wide quality improvement initiatives. Technologies: Rational Rose, UML, Microsoft Visual C++, Microsoft Visual C#, and ANTLR.• Improved development and testing processes by formalizing product requirements gathering and documentation steps.• Maintained employee productivity and commitment to quality by encouraging and facilitating involvement in process improvements and implementing applicable suggestions.• Identified and evaluated user requirements for implementation of a MS SQL Server-based enterprise product by interacting with clients and in-house experts.• Assisted the implementation of a BNF grammar allowing user-defined formulas to be defined in the enterprise product.

Concord, Ontario, Canada

Designed and built Microsoft Windows bidding software applications for estimators in the North American electrical and mechanical contracting industry. Won a NECA award with the new Windows software suite, which helped the company take the lead in the electrical estimating field.Technologies: Microsoft Visual C++, MFC.• Identified and evaluated user requirements for the software by interacting with clients and in-house experts.• Designed and implemented an Excel-like spreadsheet control for Windows in MFC. Later the code was updated to a VBX control with control properties to allow for easy code reuse.• Developed support for serial ports on the Win32s platform for 16-bit Windows by creating a software library that implemented 16-bit Windows thunk calls to cross the sub-system boundaries.• Designed and implemented multiple versions of the software suite on an aggressive schedule through collaboration with a team developers. Product was delivered on schedule, making it the first product of its kind on both 16-bit and 32-bit Windows platforms.

Concord, Ontario, Canada

Designed, built and maintained a suite of DOS software applications for estimators in the North American electrical contracting industry. Provided clients with technical support. Technologies: Microsoft C++, Borland C++, Microsoft C, and Microsoft Business BASIC.• Improved code quality and reduced mathematical errors by designing and implementing a C++ fixed point arithmetic library.• Resolved speed and software stability issues by designing and developing a DOS-based keyboard and mouse-driven windowing system to replace an existing implementation.• Devised and implemented a method of securely protecting the DOS product’s hardware-based licensing by using a sophisticated scheme of encoding / decoding sections of the executable code.