Mark43

AI - Enabled Software Engineer

Mark43
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2 hours ago
London, United KingdomSenior

Responsibilities

  • Design multi-agent systems using coding-focused agents such as code writers, reviewers, testers, and deployers.
  • Write prompts, logic, and scaffolding to guide agent behavior.
  • Enable agents to use file systems, test runners, version control, and internal APIs.
  • Evaluate and refine agent outputs, performance, collaboration patterns, and feedback loops.
  • Prototype AI coding-assistant workflows using open-source LLMs and internal knowledge bases.
  • Develop agentic build pipelines, automated pull-request generation, and AI-powered internal tooling.
  • Help define evaluation frameworks for the accuracy, speed, and impact of AI contributions.
  • Collaborate cross-functionally, mentor teammates, and establish secure generative-AI practices.
  • Participate in the on-call rotation.

Requirements

  • 5+ years of professional software engineering experience.
  • Proficiency with at least part of the stack: Java, TypeScript, React, and MySQL.
  • Extensive hands-on experience applying AI-assisted development tooling, such as Cursor, Windsurf, LLM APIs, code-generation platforms, vector databases, LangChain, or custom-built systems.
  • Strong product mindset and interest in building technology with real-world impact.
  • Ability to experiment, iterate, learn continuously, operate in ambiguity, and help define practices in an evolving technical area.

Benefits

  • Remote hiring is available in Canada, the UK, and specified U.S. states, subject to Mark43’s location requirements.
  • Applicants must be authorized to work for any employer in the country where the role is hired, without employer visa sponsorship.

Tech Stack

Categories

Mark43

About Mark43

201-500 employees

Mark43 builds cloud-based public safety software—computer-aided dispatch, records management, and analytics—for state, local, and federal agencies, delivered as a SaaS platform. Founded in 2012 and headquartered in New York, the privately held company helps agencies replace legacy on-prem systems to streamline incident response, reporting, and data sharing across jurisdictions.

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