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Wouter Steenbergen, C# Developer in San Mateo, CA, United States
Wouter Steenbergen

C# Developer in San Mateo, CA, United States

Member since December 11, 2013
A highly motivated, versatile, and skilled product manager, Wouter has demonstrated expertise in software design and delivery covering large-scale cloud services, mobile apps, and on-premise software. He has proven ability to identify and drive strategic programs from inception to launch and thrives in collaborative, team-oriented, and ambiguous environments. He has excellent interpersonal skills and is passionate, creative, and dedicated.
Wouter is now available for hire


  • Intapp
    iOS, Android, C#, ASP.NET, HTML5, Mobile Device Management (MDM)
  • Microsoft
    C#, WCF, PowerShell, Excel, PowerPoint, Visio, SharePoint
  • Sogeti Consulting
    C#, ASP.NET, SQL, BizTalk


  • .NET, 17 years
  • C#, 16 years
  • SQL, 14 years
  • Xamarin, 7 years
  • Agile Software Development, 7 years
  • XAML, 7 years
  • Xamarin Forms, 4 years
  • AWS SDK, 3 years
San Mateo, CA, United States



Preferred Environment

Visual Studio

The most amazing...

...Xamarin phone app I've ever built has been downloaded over 2 million times, consistently getting 4+ star reviews.


  • Senior Product Engineer

    2014 - 2017
    • Developed high-performance, consumer-grade mobile apps from scratch.
    • Improved web application performance by 80+%.
    • Realized advanced modules including automated document generation and score profile calculation.
    • Improved the development process to increase predictability and software quality.
    • Enabled AWS-based cloud deployment of an enterprise grade web application.
    Technologies: iOS, Android, C#, ASP.NET, HTML5, Mobile Device Management (MDM)
  • Senior Engineering Lead

    2008 - 2014
    • Revolutionized SharePoint online service management. Identified, planned, designed, and delivered enterprise class data center monitoring, diagnostics, and manual and automated issue recovery with on-call rotation management solutions.
    • Implemented and used usage instrumentation and big data analysis, stakeholder and partner requirement management, investment prioritization, feature design, and high level architecture.
    • Created a highly available service diagnostics console on SOA architecture (Merlin) used by 350 engineers per day. Provided real-time access to big data (200TB/day) for service investigation, analysis, and recovery.
    • Implemented professional data center management software that improved service availability by 75% and reduced manual change implementation by 80% (Joblets).
    • Delivered FISMA and Chinese government compliant service management software.
    • Enabled automated investigation and problem resolution (reduced service outages from days of SLA missed to <15 min recovery times).
    Technologies: C#, WCF, PowerShell, Excel, PowerPoint, Visio, SharePoint
  • Lead Software Developer

    2005 - 2008
    Sogeti Consulting
    • Managed the development of a front-office internet application in a MS CMS and SharePoint 2003 portal system environment.
    • Refined intake and development on a procedural level including project initiation, planning, and controlling.
    • Reviewed and approved business requirements, specifications, and technical designs.
    • Collaborated with business managers/engineers to build consensus around architectural solutions.
    • Implemented a customer-facing front-end system for a major insurance company.
    • Oversaw a team SharePoint implementation for a multi-national company.
    • Led the project to create a cross-departmental knowledge management system for a global investment bank.
    Technologies: C#, ASP.NET, SQL, BizTalk
  • Senior Software Developer

    2002 - 2005
    Xeed Marketing
    • Performed extensive coding in Microsoft .NET (C#, ASP.NET) in a web-based environment. Designed and reviewed high-level architecture and the design of solution components.
    • Communicated with businesses to identify high-level and detailed requirements.
    • Directed the team of onsite and offshore developers. Led through all phases of the project lifecycle.
    • Led projects from concept through completion. Liaised with project managers, business stakeholders, QA, and other team members.
    • Designed and implemented marketing collateral management and a template-based advertising publishing portal for Mitsubishi, Nissan, MG Rover, Citroen, and the Profile Tire Center.
    Technologies: C#, ASP.NET, SQL, Adobe PDF
  • Software Developer

    2000 - 2002
    Adis Retail
    • Implemented complex technical solutions.
    • Prototyped a visual configuration tool.
    • Created a website for an asset movement display.
    • Designed a middle tier framework for flexible architecture, usable on servers worldwide.
    • Produced several retail data analysis tools, a Unix to Windows software conversion tool, and an asset management website.
    Technologies: VB6, SQL, VB.NET, Access



  • Languages

    C#, XAML, SQL, XML
  • Frameworks

  • Paradigms

    Agile Software Development, Waterfall Development
  • Platforms

    Xamarin, Amazon Web Services (AWS), Azure
  • Other

    Xamarin Forms
  • Tools



  • Bachelor's degree in Philosophy and Information Technology
    1997 - 2000
    Vrije Unversiteit Amsterdam - Amsterdam
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