About Us


Lexicon Systems, Inc. is software consulting firm with offices in Boston, Massachusetts. We are a Silver Microsoft Partner, a Premiere Xamarin Partner, and a Registered IBM Partner with an IBM Mobile Competency.

Firms who are passionate about their field and their customers call upon us to help lead them into the fast-growing world of mobile devices. We provide services ranging from Xamarin mobile and Microsoft .NET design and development to strategy, architecture, training, and best practices.

What We Do

  • Specialize in cross-platform mobile applications built using Xamarin
  • Provide direction on .NET, Azure, and mobile strategy
  • Design and develop Android, iOS, and UWP mobile apps
  • Develop accompanying web applications
  • Provide enterprise solutions using IBM Mobile and IBM BlueMix

Who We Serve

  • Companies solving challenges and engaging more deeply with mobile technology
  • Software companies that develop and sell a software product
  • Businesses who develop software as a core function
  • Businesses working to improve their ROI and effectiveness through technology

Dan Hermes
CEO, software consultant, author, speaker

Dan Hermes is a Xamarin and Microsoft MVP, software consultant, IBM Champion, and founder of Lexicon Systems. Mr. Hermes helps developers create great mobile apps and helps businesses develop a winning mobile strategy. His firm's Xamarin projects include a cross-platform app for Thermo Fisher Scientific which won a W3, a Davey award, and was a finalist for a Xammy award, as well as a drone app for the Federal Aviation Administration(NPR) cited on NPR. He speaks at conferences, colleges, user groups, and develops Azure and Xamarin course curriculum for Microsoft. Recent speaking engagements include IBM InterConnect 2017, Xamarin Dev Days, and Microsoft Azure Day. Recent articles and content written for IBM's Mobile Business Insights and Microsoft Imagine.

Dan is the author of a best-selling book published by Apress entitled Xamarin Mobile Application Development. This book is for companies building cross-platform mobile apps in C# using Xamarin.

His blog is http://mobilecsharpcafe.com/.
Follow him on twitter at @danhermes

Call (774) 614-9423

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