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🥝 Creative Senior Copywriter at Critical Mass

twentysix | calgary, Canada | Posted June 05, 2026

Job Description

Shape digital narratives with Critical Mass London as a Senior Copywriter. Collaborate with creatives to elevate brand storytelling and influence world-class digital experiences.

Join Critical Mass in Southwark as a Senior Copywriter, where you will harness your storytelling prowess to address communication challenges. With 5+ years of experience, you're passionate about design and adept at balancing brand voice while crafting compelling copy. Your leadership will guide junior staff and strengthen collaborations across teams.

Key Responsibilities:
• Interact with project teams to define business objectives
• Review and align copy with channel-specific guidelines
• Guide creative revisions to enhance content quality
• Advocate solutions that balance business and audience needs
• Collaborate with design leads to develop templates and guidelines

Requirements:
• Over 5 years of copywriting experience in agency envir...

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