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We are looking for a creative Senior Copywriter to write clear and concise copy for ads, publications and websites. Your words will inform and engage target audiences. A writer can craft anything from headlines to long format scripts, they have experience writing in a variety of tones and genres and can quickly adapt the voice of a brand across all types of mediums, whether that be a paid social ad to a radio spot to a testimonial film.

Responsibilities

• Write clear, attractive copy with a distinct voice
• Interpret copywriting briefs to understand project requirements
• Collaborate with designers, PR and other professionals on large- and small-scale marketing projects (e.g. email campaigns and landing pages)
• Conduct high-quality research and interviews
• Edit and proofread copy as needed
• Use SEO principles to maximize copy's reach
• Source images and other content

Requirements

• Previous experience as a copywriter required
• Knowledge of online content strategy and creation
• Excellent writing, editing and proofreading skills
• Experience with SEO
• Strong research skills
• Excellent time-management and organizational skills
• Fluent written and oral communication in English and Japanese

#LI-CX1

About Monks

Monks is the global, digital-first, data-driven, unitary operating brand of S4Capital plc, where our culture centers on how we show up for the work and for one another. That begins with the commitment to strive for mastery-taking deep pride in our craft and creating work that sets the bar. In everyday execution, we drive momentum by choosing bold action rather than waiting for certainty. Above all, our teams are stronger together, bringing diverse perspectives into a unified team that communicates with clarity, trust, and mutual respect.

This commitment to craft and innovation translates directly into widespread industry acclaim: Monks was named a Contender in The Forrester Wave™: Global Marketing Services and a leader in the 2026 Gartner® Magic Quadrant™ for Global Digital Marketing Agencies. It ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger's Programmatic Power Players list every year (2020-24). Named Adweek's first AI Agency of the Year (2023) and The One Show's inaugural AI Pioneer Organization (2025), Monks was also awarded Business Intelligence Group's 2026 Excellence in Artificial Intelligence Award in the Human-Machine Interaction Team category. Additionally, Monks.Flow earned AI-based Marketing Solution of the Year at the 2026 AI Breakthrough Awards and a 2026 Global Generative AI Award in the Agentic Marketing Innovation category. Finally, Monks achieved a record-breaking number of FWAs and continues to hold the most of any partner.

We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents-and resonates with-the world around us.