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Latest Projects

Matthew R Rohr

About Me

Hello, my name is Matthew Rohr, an entrepreneur and freelancer.

matthew rohr ceo picture

I have a bachelors in Computer Science, live in Southern Oregon and married with two kids. I served in the military for eight years and was the lead engineer for a highly successful SaSS based website for four years.

I am a jack of all trades when it comes to development technology. I learn and adapt quickly. I have worked with some amazing teams on numerous projects that ranged from natively built iOS/Android Apps, WPF/VSTO Windows Software to Java/.NET Websites.

Check out the rest of my work history within my LinkedIn profile:


I recently finished a two year contract working as an Android Developer on the Hulu Android mobile app. Over 50 million installs!

I like to build long term relationships with my clients. My hours and prices are flexible. I use FreshBooks for both invoicing and time tracking. I am open to 1099, C2C or even full W2 employment.

If you live in Southern Oregon, we can do a meet and greet.


Do NOT contact me with unsolicited services or offers.

Android Mobile App Development

Latest Mobile App Projects

I have 8+ years experience building both native Android and iOS apps. Although lately I have been more focused on Android development.

Check out my latest personal Android project:

  • Native app development using Android Studio
  • Localization Techniques
  • iOS -> Android conversions
  • Comfortable with Kotlin or Java
  • Android Architecture Components (LiveData, ROOM, ViewModels, MVVM)
  • Agile Development using JIRA, Peer Reviews, Scrum
  • Coroutines, Constraint Animations
  • Implementing IAP – Subscriptions, Paid, One Time Purchases
  • Unit Testing, UI Testing (Expresso)
  • ASO Techniques
  • Third Party Integrations (Ad solutions, Analytics, Custom Integrations)
  • Google Firebase (Real Time DB, Crash Reporting, Authentication, Analytics….)
  • AWS (back end solution using EC2, S3, Cloud Front, API, RDS, Push and more)
  • Database experience including: Sqlite, MySQL, MSSQL and NoSQL
  • ORMS : ROOM, GreenDao

Website Development

Latest Website Projects

I have over 10 years experience developing websites using Java, .NET and some PHP.

Some of these past website projects I was the sole engineer responsible for the complete development (back to front end), while other projects I was either part of a team or the lead dev. I was also the lead engineer for for four years.

The technologies for many of these high-profile website projects ranged from simple WordPress sites, Ecommerce solutions, to full stack development in both Java and .NET technologies.

  • CMS Systems
  • .Net Website Technologies
  • Java (jsp/springs) Website Technologies
  • WordPress
  • MySQL and MSSQL
  • Various ORM’s including Hibernate
  • AWS Systems (EC2, S3, Cloud Front and more)
  • Front End Development (HTML/CSS/JavaScript)
  • SEO (search engine optimization)
  • API integration and development
  • Linux and Windows Server Admin
  • Admin Panels
  • Membership Systems & Management
  • Customer Service Utilities
  • Custom Metric and Analysis Solutions

Software Development

Latest Software Projects

I have 12+ years’ experience developing software using Windows technologies.

I have engineered multiple Windows WPF, VSTO, VB and C# form applications. Some were basic apps with installers while others required custom back end server solutions that included license checking, Ecommerce integration, custom updaters & installers, api's, customer support and admin tools all custom built using AWS, oAuth and Java/.Net web technologies.

  • WPF
  • VSTO – PowerPoint plug in
  • Window Forms
  • C#, VB
  • Installers
  • License Checking
  • API Integrations
  • E-Commerce Integration

About First Century Thinking LLC

First Century Thinking is Errors and Omissions Insured. All my freelance or contract work is done through First Century Thinking LLC.

First Century Thinking LLC was formed in May of 2011.


Do NOT contact me with unsolicited services or offers.