Mike Jarosch, Developer in River Falls, WI, United States
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Mike Jarosch

Verified Expert  in Engineering

Ajax Developer

River Falls, WI, United States
Toptal Member Since
June 21, 2021

Mike has two decades of experience with all phases of development as part of an agile team; including gathering requirements, creating technical designs, developing, testing, documenting, and ongoing support. He specializes in a wide range of languages (C#, JavaScript, HTML/CSS), technologies (ASP>NET Core, jQuery, Sitecore), platforms (Azure, IIS, MS SQL Server), and tools (VS Code, Git, Node.js).


Andersen Windows
ASP.NET, Sitecore, HTML, JavaScript, Sass, Azure, C#
Renewal by Andersen
ASP.NET, C#, JavaScript, HTML, CSS, SQL
ASP.NET, HTML, JavaScript, CSS, C#, SQL




Preferred Environment

ASP.NET Core, CSS, HTML, JavaScript, Azure, Sass

The most amazing...

...thing I have developed is a flexible Sitecore platform for the business to create unique experiences while maintaining brand consistency.

Work Experience

Senior Software Engineer

2015 - PRESENT
Andersen Windows
  • Led a multi-site Sitecore installation as part of an agile development team.
  • Led the development and support of various business-facing applications.
  • Mentored teammates on technical and development-related topics.
  • Partnered with the business to understand and prioritize requirements.
Technologies: ASP.NET, Sitecore, HTML, JavaScript, Sass, Azure, C#

Senior Software Engineer

2014 - 2015
Renewal by Andersen
  • Led the development and support of front-office applications.
  • Collaborated with the back-office development team on projects.
  • Worked closely with business partners to gather requirements.
Technologies: ASP.NET, C#, JavaScript, HTML, CSS, SQL

Senior Programmer/Analyst

2005 - 2014
  • Managed all internal and external websites, including a web server, application design, database development, and product deployment.
  • Worked closely with business users in defining and documenting requirements, managing deliverables, and providing post-implementation support.
  • Served in a leadership role mentoring colleagues in all aspects of development.
  • Advised on architectural and technological issues for other business systems using web and Internet technologies.
  • Worked with design firms to implement look and feel for new and existing websites.
Technologies: ASP.NET, HTML, JavaScript, CSS, C#, SQL


2000 - 2005
Quantum Digital
  • Led and collaborated on the technical design and development of all internet projects.
  • Involved in project management from concept through implementation, including competitive analysis, market information, content management, and delegation of design and implementation elements.
  • Developed web applications, including design, implementation, testing, and support.
  • Worked with the internet team tracking trends, researching marketing initiatives including opt-in email, newsletters, affiliate programs, banner ads, and strategic partnerships.
  • Researched new technologies as opportunities for growth.
  • Managed all technological areas, including network infrastructure, application design, database development, and product deployment.
  • Worked closely with business partners in providing price quotes, contract negotiation, and project support.
Technologies: Active Server Pages (ASP), HTML, JavaScript, CSS, C#

WYSIWYG Content Management System

A web-based content management system that allowed content editors to build unique sites. Site builders built pages by combining page elements to create unique and distinctive designs. The system allowed business owners with no technical knowledge to keep their websites up to date.
1994 - 1999

Bachelor's Degree in Electrical and Computer Engineering

University of Minnesota - Duluth - Duluth, MN


Sitecore® 9.0 Certified Platform Associate Developer



jQuery, Vue


ASP.NET, Bootstrap


C#, JavaScript, HTML, CSS, Sass, SQL, Active Server Pages (ASP)




Sitecore, Ajax, Development, Mathematics, Engineering

Collaboration That Works

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