AI - Enabled Software Engineer

Mark43 Greater Manchester, England, United Kingdom

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Senior Software Engineer – AI-Enabled Engineering

Mark43 is approved to hire in Canada, the UK, and 45 U.S. states, including 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.

What You'll Do

• 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

What You'll Need

• 5+ years of professional software engineering experience
• Proficiency with Java, TypeScript + React, and MySQL
• Extensive applied experience with AI-assisted development tooling—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

People Who Thrive on Our Team Also Tend to Be

• Humble, open, and curious. You ask questions and seek to understand before making assumptions
• Collaborative by default. You believe the best outcomes come from shared knowledge and ownership
• Mission-driven. You care about building tech that serves the public good
• Comfortable with uncertainty. You're energized by open problems and emerging technologies
• Growth-oriented. You embrace feedback, learn from setbacks, and look for ways to get better every day

EEO Notice and Accommodations

Mark43 is committed to the full inclusion of all qualified individuals. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. If reasonable accommodation is needed, please email requesting the accommodation. Our Privacy Notice describes how Mark43 uses and protects the personal information of prospective employees during the recruitment process.

As part of Mark43's security measures all employees must: engage in appropriate use of the company's electronic information resources; become knowledgeable about and follow relevant security policies and guidelines; protect the resources under their control; and promptly report security-related incidents and violations. xgikmsk

Seniority level

• Director

Employment type

• Full-time

Job function

• Engineering and Information Technology
• Industries: Software Development

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