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At m&h, we’ve been working for nearly 50 years with the biggest names in graphic design, media and advertising to produce digital and print content of the highest quality, striking the perfect balance between art and technology. Based in Montréal and Toronto, our team includes 150 dynamic and dedicated professionals who have our clients’ success at heart. Our culture is modern, inclusive, welcoming and centred on quality and performance.

The Prompt Engineer / AI Content Lead will be responsible for developing, refining, and maintaining high-quality AI prompts that drive effective and relevant content generation across multiple channels. This role combines technical expertise in AI prompt engineering with creative leadership to ensure AI-generated content aligns with brand voice, audience needs, and business objectives.

You will act as the bridge between creative teams, technical developers, and business stakeholders, continually testing, optimizing, and innovating prompt strategies to improve AI performance and output quality.

• Develop, structure, and fine-tune prompts for various AI models (e.g., GPT, image generation tools) to produce high-quality and contextually accurate content.
• Implement prompt engineering best practices, including few-shot and chain-of-thought prompting, to maximize AI performance.
• Maintain a prompt library with documentation, examples, and guidelines for internal use.

• Collaborate with writers, designers, and technical teams to ensure AI-generated content meets tone, style, and compliance standards.
• Review, edit, and refine AI outputs to ensure accuracy, relevance, and brand alignment.
• Develop workflows to integrate AI-generated drafts into the content creation process efficiently.
• Lead the creation of AI-driven content strategies that support marketing, communication, and product initiatives.
• Research emerging AI tools and methods to keep the organization at the forefront of AI-assisted creativity.
• Provide training and guidance to team members on effective AI prompt use and ethical AI content practices.

• Monitor and analyze key metrics related to AI-generated content performance (engagement, accuracy, conversion rates, etc.).
• Experiment with different prompting techniques and model configurations to improve output quality.
• Prepare regular reports with actionable recommendations for AI content optimization.

• Proven experience in prompt engineering, natural language processing (NLP), or AI-assisted content creation.
• Strong understanding of AI models, generative AI tools, and their practical applications in content production.
• Exceptional writing, editing, and communication skills with attention to detail.
• Ability to balance creativity with data-driven decision-making.
• Experience working in cross-functional teams (marketing, design, engineering, product).
• Familiarity with analytics tools and performance measurement for digital content.
• Knowledge of ethical AI practices, bias detection, and responsible AI use (an asset).

• A competitive salary based on your experience;
• A permanent full-time position with 37.5 hours per week;
• A flexible work schedule in a hybrid format;
• The option to work remotely from abroad for up to 4 weeks per year;
• A group insurance plan and participatory RSP after three months of employment;
• An EAP offering access to several physical and mental-health services, among others (legal, financial, family and relationships, work and career, etc.);
• A relaxed work environment and dynamic team.

Relishing the challenge? We want to meet you!

We are committed to providing a fair working environment for our staff, regardless of ethnic origin, age, gender, sexual orientation, gender identity, disability or religion. We reassure all applicants that we are committed to examining each application carefully and fairly.

The start date for this position is as soon as possible.

Only selected candidates will be contacted.

• Seniority level : Entry level
• Employment type : Full-time
• Job function : Engineering and Information Technology
• Industries : Graphic Design, Advertising Services, and Marketing Services

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