Mobile Engineer

Mark43’s mission is to empower communities and their governments with new technologies that improve the safety and quality of life for all. We build powerful, scalable, and elegant software that sets a new standard for the tools upon which our first responders rely. Our users are diverse, and we are therefore committed to embracing diversity of thought and experience within our team. 

We’re seeking a Mobile Engineer to join our Engineering team. This role will play a critical part in developing both the Android and iOS versions of our public safety software using Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP). You’ll have the opportunity to help shape Mark43’s mobile platform strategy while gaining hands-on experience with emerging cross-platform technologies. This is a pivotal moment in the evolution of our mobile platform, as we lay the foundation for a shared codebase that will define how we build Android and iOS experiences going forward. 

What you can expect to work on: 

• Learn, explore, engage with mobile cross platform technology   

• Build new features on KMP/CMP across Android and iOS 

• Help the team migrate existing iOS/Android logic to KMP/CMP 

• Learning both iOS  and Android development fundamentals with mentorship and support from senior engineers 

• Building and maintaining automatic test cases for iOS and Android  

• Contributing to the design and development of mobile-first features used daily by first responders such as police officers and fire fighters 

• Collaborating with product managers and designers to translate user needs and technical constraints into clean, reliable features 

• Publishing and maintaining applications and versions in mobile app stores 

• Continuously improving our mobile engineering practices to deliver performant and responsive applications 

What we expect from you: 

• 2+ years of professional mobile development experience 

• Experience in cross-platform mobile development, ideally with KMP (Kotlin Multiplatform) or CMP (Compose Multiplatform) 

• Ideal background in either Android (Kotlin) or iOS (Swift, SwiftUI) with a willingness to learn the other platform 

• Experience with Java backend is a plus 

• Exposure to or interest in mobile testing strategies 

What sets someone up for success in this role: 

• A strong sense of ownership and accountability 

• Willingness to learn and work across platforms (especially Android-to-iOS growth or vice versa) 

• Collaborative mindset with a passion for supporting mission-driven work 

Where you’ll work: 

Mark43 is a remote-friendly company, and this role may be based remotely in approved states, or from one of our offices in New York, Boston, or Manchester, UK. 

What you can expect from us: 

• Mentorship and support from experienced engineers and technical leaders 

• Opportunities to grow personally and professionally through impactful projects 

• A collaborative and mission-aligned team environment 

• The chance to build software that directly improves the lives and safety of first responders and their communities 

Compensation: 

We feel passionately about equal pay for equal work, and transparency in compensation is one vehicle to achieve that. Total compensation for this role is market competitive, including a target base annual salary range of $140,000-$180,000, plus bonus opportunity, company stock options, and a full benefits package, including health insurance, paid time off, and a 401(k) with a company match.