Senior Copywriter & Creative Leader

Critical Mass; Toronto; On-site; CAD 75,000 - 90,000; Full time

Benefits offered by this job

Global maternity and parental leave

Competitive benefits packages

Vacation, compassionate leave, sick/p,

Early Dismissal Friday’s

12 affinity groups

Internal learning and development

Employee discounts

Job summary

Critical Mass in Toronto is seeking a senior copywriter with strong creative leadership to craft compelling copy across digital campaigns and client briefs.

You will mentor junior creatives, collaborate with art directors and designers, and guide projects from kickoff to final delivery while balancing speed, quality, and strategic impact. An in-office presence is required to collaborate effectively with the team.

Qualifications

• Minimum 3 years of agency experience.
• Proven ability to mentor other creatives and lead projects.
• Experience coordinating production vendors (video/audio).

Responsibilities

• Develop and drive creative concepts that solve client briefs.
• Write clear, compelling copy across mediums and oversee revisions.
• Collaborate with art directors, designers and specialists to meet client needs.
• Lead briefs from kickoff to final client review.
• Present and defend creative work internally and to clients.

Skills

Copywriting

Creative leadership

Mentoring

Presentation

Tools

Video editing

Voiceover coordination

Project management tools

Job description

Critical Mass in Toronto is seeking a senior copywriter with strong creative leadership to craft compelling copy across digital campaigns and client briefs.

You will mentor junior creatives, collaborate with art directors and designers, and guide projects from kickoff to final delivery while balancing speed, quality, and strategic impact. An in-office presence is required to collaborate effectively with the team.