Meet our expert web developers

We’re Rapid Development Group: your un-agency development partner. When you contact RDG, you’ll work face-to-face with the people who are writing code and pushing pixels — not with a manager or middle-man. We think that this is the best way to get your ideas out of your head and onto your customers’ devices as quickly as possible. Our developers have many years experience listening to clients and solving complex business challenges with the latest tech. Chances are good that if you can dream it, we can build it.

Jonathan Chaffer


Jonathan is experienced in a wide variety of technologies, with an emphasis in PHP, MySQL, and JavaScript. In the open-source community, he was an early contributor to the Drupal CMS project and has been a featured speaker at DrupalCon. Jonathan has also authored books on Drupal’s JavaScript framework of choice, jQuery.

Mike Bopp


Mike has been a professional software developer since 2001 and has worked in many languages and development frameworks over the years, including Java and .NET. Mike is a founding member of Rapid Development Group, and leads mobile development at RDG, and is expert in Swift, Objective-C, PHP, MySQL, Javascript and other web and mobile technologies. Outside of work Mike enjoys raising his family, the outdoors, home improvement and carpentry.

Brett Chaffer

Brett has twenty years of experience spearheading communications projects such as global websites constructed around modern content management systems. His clients have included Steelcase, Dematic, the Dow Chemical Company, and many other local and international firms. Brett specializes in user experience and application design for Rapid Development Group.

Sam Oltz


Sam is a seasoned web developer who is passionate about seeing technology bring people together, enhance organizations, and transform entire industries. He brings an interdisciplinary approach to his field, having studied media, music, and religion in undergrad and sociology in grad school.

Joe Maag

Joe specializes in responsive design and Drupal theme implementations. Joe is a web design and development veteran with many Drupal implementations to his credit.

Haley Troyer

Haley is a front-end designer/developer with a background in graphic design and e-commerce marketing. She is a conceptual thinker who enjoys planning and designing good user experiences from responsive websites to mobile applications. Haley enjoys learning new things and actively works to expand her knowledge of web development.

Ashley Helminiak

Ashley is a front-end design/developer with a diverse background in graphic design, digital accessibility and strategic planning. She has experience working with both Drupal and WordPress CMS frameworks. Ashley is always trying to see the bigger picture and look at problems from every possible angle to come up with the best people-oriented solutions.

Benjamin Braker

Benjamin is an inquisitive computer science graduate who loves figuring out how things work. He has experience in several different programming environments and seeks to bring that knowledge into the world of web development. Benjamin specializes in site infrastructure, database architecture, and the business logic that drives modern web applications.

Lisa Gilewski

Lisa has over twenty years experience in account management and leading successful project teams. Her client list includes Spectrum Health, Spectrum Health Innovations, Dow Chemical, Bank of America, Wells Fargo, Terryberry, Rodney Strong Vineyards and smaller non profits. She loves a strong latte, strategic planning and travel.

Interested in joining our team? Let's connect!