Senior Copywriter Jellyfish NY, US Workplace ago

At Jellyfish we believe that our individual differences are our greatest assets. We are passionate about empowering every employee to reach their full potential and contribute their unique perspectives to our collaborative environment. We are an equal opportunity employer and firmly believe that a diverse and inclusive workforce drives innovation and leads to better solutions. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other personal characteristics that make them who they are.

Jellyfish is a global digital marketing agency; a unique fusion of tech enthusiasts, creative minds, and media and data experts all united to empower our clients along their digital journey.

Our commitment to embracing diverse perspectives fuels our innovation and strategies that challenge the status quo, reinvent media activation, and craft influential stories for our global clients and their customers. Join us in shaping a future where business growth and personal fulfilment go hand in hand.

As a Senior Copywriter, you will create high-quality, performance-driven copy for global brands across a range of channels and formats. You’ll combine strong writing craft with audience insight, strategic thinking and performance data to develop compelling copy that meets client objectives. You’ll translate creative briefs, messaging frameworks and strategic direction into effective communications, while contributing ideas and recommendations that strengthen the work.

You’ll use Pencil and GenAI as part of the creative process to create, iterate and optimise copy at scale, applying strong human judgement and quality control throughout. You’ll work closely with strategists, creatives, media, data and AI specialists, take ownership of complex copy projects and help maintain high standards across the wider team.

• Write and edit high-quality, audience-first content across written formats, including digital ads, websites, landing pages, CRM and social
• Translate creative briefs, messaging frameworks and strategic direction into compelling copy, contributing ideas and recommendations where appropriate
• Lead copy-focused client discovery, gathering tone of voice and brand identity materials and developing content toolkits and sample content
• Oversee the execution of complex copywriting projects, ensuring a smooth and efficient workflow from project initiation to completion
• Take ownership of copy quality across projects, including briefing, writing, editing and quality assurance, supporting smooth and timely delivery
• Provide guidance and feedback to other copywriters where appropriate, helping maintain high standards across the team

• Skilfully use Pencil for AI-enabled copy creation, iteration and optimisation, testing and refining prompting and generation approaches to improve copy quality, consistency and performance
• Apply Pencil expertise to develop effective copywriting approaches across different assets and use cases, sharing best practices and learnings with the wider team
• Contribute to content and creative strategy, using audience, cultural, search and performance insights to develop messaging approaches and content recommendations
• Use audience, search and performance data to understand how copy is performing, identify opportunities and inform optimisation
• Design effective AI prompts and use agents or automated workflows to support and scale multi-step content tasks
• Stay current with developments in digital content, AI-enabled creation and the evolving digital landscape

• 4+ years’…