
Artificial Intelligence • Government • Cybersecurity
Mark43 is the trusted leader in public safety technology, providing a secure, all-in-one platform for agencies to save time, stay compliant, and ensure community safety. Through innovative AI-powered tools and a modern cloud-native infrastructure, Mark43 empowers public safety agencies to enhance their operational efficiency, conduct instant reporting, and share real-time data. Designed specifically for first responders, Mark43 supports law enforcement and other public safety agencies in their mission to serve and protect communities.
July 31
🌵 Arizona – Remote
🏄 California – Remote
+32 more states
⏰ Full Time
🟡 Mid-level
🟠 Senior
🧑💻 Full-stack Engineer
🦅 H1B Visa Sponsor

Artificial Intelligence • Government • Cybersecurity
Mark43 is the trusted leader in public safety technology, providing a secure, all-in-one platform for agencies to save time, stay compliant, and ensure community safety. Through innovative AI-powered tools and a modern cloud-native infrastructure, Mark43 empowers public safety agencies to enhance their operational efficiency, conduct instant reporting, and share real-time data. Designed specifically for first responders, Mark43 supports law enforcement and other public safety agencies in their mission to serve and protect communities.
• Design multi-agent systems with coding-focused agents (e.g., code writer, reviewer, tester, deployer) • Write the prompts, logic, and scaffolding that guide each agent’s behavior • Handle tool use, like enabling agents to access the file system, test runners, version control, and internal APIs • Evaluate and refine agents’ output, performance, collaboration patterns, and feedback loops • If you were on the team last week, you might have: • Prototyped a new coding assistant workflow using open-source LLMs and internal knowledge bases • Led an architecture discussion on agentic build pipelines or automated PR generation • Collaborated with a cross-functional team to build a fast, AI-powered interface for internal tooling • Helped define the evaluation framework for AI contributions—accuracy, speed, and impact • Mentored a teammate on combining TypeScript and AI tools to accelerate UI prototyping • Explored best practices for safely and securely integrating generative AI into a public sector codebase • Participated in our on call rotation
• 5+ years of professional software engineering experience • Proficiency with at least part of our stack: Java, TypeScript + React, and MySQL • Extensive applied experience with AI-assisted development tooling—whether it’s Cursor, Windsurf, LLM APIs, codegen platforms, vector databases, agentic frameworks like LangChain, or custom-built systems • A strong product mindset and interest in building for real-world impact • A bias toward experimentation, iteration, and continuous learning • Comfort operating in ambiguity and helping define best practices in a rapidly evolving space
Apply NowJuly 31
Mid-Level Software Engineer at Beautiful.ai, working with JavaScript and Node.js to enhance software functionality.
🇺🇸 United States – Remote
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💰 $11M Series B on 2018-05
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🟠 Senior
🧑💻 Full-stack Engineer
🦅 H1B Visa Sponsor
PyTorch
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