Senior Mobile Application Developer; Onsite​/hybrid in Grand Rapids, MI

Overview

Senior Mobile Application Developer (onsite/hybrid in Grand Rapids, MI)

Dorner Works is an embedded systems engineering firm trusted by innovators building technology where performance, safety, and reliability matter most. For over 25 years, our engineers have partnered with customers across aerospace, defense, medical, industrial, and consumer markets to turn complex ideas into real-world products. From operating rooms to orbit, we solve hard problems with precision, creativity, and ownership — because what we build matters.

We are currently seeking an experienced Senior Mobile Application Developer
, to help grow our current team. In this role, you will work alongside other talented engineers as you help develop our connected Medical and IoT products. This position will provide you with opportunities to participate with others to architect the design across the full product and consider cross-training into new areas to further grow your own expertise.

• Diverse, engaging, collaborative and challenging work.
• ESOP company - 100% employee owned
• Continuous learning. Work multiple diverse projects each year – different technologies, products, and industries.
• Work from home or in-person, while doing what you love.
• Competitive compensation and benefits with quarterly bonus opportunity.
• Flex Fridays – compressed work week with the opportunity to take every other Friday off and flexible hours.
• Healthy work/life balance. At Dorner Works this is a core value.
• Organized social events, both onsite and virtual. We promise you’ll have fun!
• Supportive team – not a cut-throat environment but supportive and encouraging.

• Design, develop, and deploy mobile applications that run on iOS and Android platforms using native programming languages (Swift, Kotlin/Java) and/or cross-platform technologies (Flutter, React Native).
• Collaborate and coordinate with designer and developer teams to create a seamless solution for customers.
• Interface directly with the customer to guide the development process.
• Work with sales to:
  • Develop business relations with new and existing customers
  • Provide detailed work estimates for new business proposals
  • Showcase project highlights

• Proficient programmers, able to pick up new platforms for mobile application development and deployment.
• Able to execute mobile application programming independently or with little input.
• Comfortable interfacing directly with customers at times to work through features and demonstrate progress.
• Competent to identify at a high level the tasks and efforts at the start of the project, knowing the steps to complete a typical project, and create relevant customer proposals.
• Able to refine a better scope the estimates associated with the more immediate next steps of the project to ensure we can execute to budgets and direct or inform others on the team.
• Team oriented communicators, thinking ahead to what others need to know and when/how your work needs to integrate with the work of others.

• Bachelor’s degree required, with a strong preference in Computer Engineering, Computer Science, or Electrical Engineering.
• Experience with native languages/IDE’s as well as cross-platform languages/frameworks:
  • Swift / Xcode
  • Kotlin, Java / Android Studio
  • Dart, JavaScript, Type Script, C# / Flutter, React Native
• 5+ years’ experience in iOS and Android development.
• Experience integrating mobile applications with backend services, including strong knowledge of RESTful APIs, HTTP protocols, and third-party API integrations.
• Understanding of security best practices for mobile application development and different authentication schemes.
• Experience navigating application distributions (e.g., App store submissions, ad-hoc beta deployments, DMD enterprise apps).
• Practical experience with different connectivity standards (e.g., Bluetooth, NFC, etc.) Solid understanding of Git and how to effectively use it as a team.
• Mentor colleagues in your areas of expertise.
• Unrestricted right to work in the US without requiring sponsorship.

• Experience with design and development of applications for wearable devices,…