Senior Copywriter — Remote & Flexible Hours, AI-Driven

Content Creators; New York (NY); Hybrid; USD 90,000 - 140,000; Full time

Benefits offered by this job

Annual bonus

401k retirement plan

Healthcare plan

Flexible work hours

Job summary

Jellyfish, a global digital marketing agency, seeks a Senior Copywriter to craft high-quality, performance-driven copy for global brands across channels. You’ll combine craft with audience insight and performance data, translating briefs into effective communications while guiding other writers and maintaining high standards.

You’ll use Pencil and GenAI to create, iterate and optimise copy at scale, collaborating with strategists, creatives, media, data and AI specialists to deliver impactful

Qualifications

• 4+ years’ experience in copywriting, ideally within an agency or working across multiple brands and digital channels.
• Excellent copywriting and editing skills, with a portfolio demonstrating strong writing craft and the ability to adapt to different brands, audiences and tones of voice.
• Experience writing across digital formats such as paid media, social, CRM, websites and landing pages.
• Experience translating creative briefs, strategies and messaging frameworks into compelling copy.
• Strong understanding of how audience insight, search and performance data can inform effective copy.
• Experience using GenAI tools within copywriting or creative workflows, with strong prompting skills and curiosity around agents, automated workflows and emerging technologies.
• Confidence contributing to messaging, content and creative recommendations.
• Strong client-facing, communication and presentation skills.
• Excellent attention to detail, organisation and quality control.
• Experience collaborating across strategy, creative, media, data and other specialist teams.
• Ability to manage complex projects and priorities while consistently delivering high-quality work.
• Experience providing feedback, guidance or mentorship to other writers is a plus.

Responsibilities

• 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

Skills

Copywriting

Editing

Client-facing

Communication

Presentation

GenAI tools

Tools

GenAI tools

Job description

Jellyfish, a global digital marketing agency, seeks a Senior Copywriter to craft high-quality, performance-driven copy for global brands across channels. You’ll combine craft with audience insight and performance data, translating briefs into effective communications while guiding other writers and maintaining high standards.

You’ll use Pencil and GenAI to create, iterate and optimise copy at scale, collaborating with strategists, creatives, media, data and AI specialists to deliver impactful