Software Engineer - Integrations

Overview

Mark
43 is approved to hire in Canada, the UK, and 36 U.S. states, including Alabama, Arizona, California (excluding San Francisco), Colorado, Connecticut, Washington D.C., Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, North Carolina, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, and West Virginia.

Before applying to a remote role, please ensure that you are able to perform the position in one of the states listed above. State locations and specifics are subject to change as our hiring requirements shift. Applicants must be authorized to work for any employer in the country in which the role is being hired. We are unable to sponsor or take over sponsorship of an employment visa at this time.

About Mark
43

Mark
43 empowers communities and their governments with technology that improves safety and quality of life. We build modern, resilient software that first responders and public safety agencies depend on in their most critical moments.

We are seeking a Software Engineer to join our Integrations team, where you'll help build and scale the mission-critical systems that connect the Mark
43 platform to a wide range of public safety tools and services. From 911 call centers to state databases, your work will ensure that vital operational data moves seamlessly and reliably across agencies and jurisdictions. This is a backend-focused role working on APIs, data pipelines, and event-driven systems.

This position is remote within the United States, with optional access to our offices in New York or Boston. Mark
43 is a remote-friendly workplace with a collaborative and mission-driven culture.

If you were part of our team last week, you might have:

• Developed a new backend service to sync data between Mark
  43's platform and a partner evidence management system
• Worked with a product manager to define API requirements for a state reporting integration
• Participated in a code review for a teammate's work on a Kafka-based message pipeline
• Added error handling and observability to improve reliability of a key data feed
• Joined a team sync to plan out upcoming roadmap priorities and technical spikes

We're looking for a backend-leaning Software Engineer with 2+ years of professional experience building production systems. This level of experience ensures you're comfortable working in an agile team, can ship well-tested code, and are ready to grow your design and architectural skills in a supportive environment.

Ideal candidates will bring:

• Proficiency with backend programming languages like Java
• Experience working with REST APIs, messaging systems (e.g., Kafka, Rabbit
  
  MQ), or distributed data flows
• Familiarity with relational databases and data modeling
• A collaborative mindset and the ability to work with engineers, product managers, and external technical teams
• A passion for writing maintainable code and solving real-world problems that have critical impact

• Curious and resourceful — You enjoy digging into technical problems and figuring out how complex systems fit together
• Team-oriented — You communicate clearly and enjoy pairing, reviewing code, and learning from peers
• Mission-driven — You care about building technology that directly supports public safety and community well-being

At Mark
43, you'll build technology that directly supports emergency responders and public safety agencies across the country. You'll work on meaningful problems, learn from experienced teammates, and help shape the infrastructure that keeps communities safe. We're a company that values growth, ownership, and trust—and we're excited to support your journey as an engineer.

This role is remote-friendly within the United States, with optional access to our offices in New York or Boston. Applicants must reside in a state where Mark
43 is registered to hire.

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43 uses and protects the personal information of prospective…