Lead Copywriter (Contract) — AI-Driven Growth Marketing

Fyxer Limited; Greater London; On-site; GBP 65,000 - 74,000; Part time

Job summary

Fyxer Limited in London is seeking an exceptional contract Copywriter to join our Marketing team. You will craft high-converting emails, landing pages, and product launches, ensuring our language stays on point across channels.

You’ll collaborate with designers, optimise copy using behavioural insights and A/B tests, and help scale messaging for global audiences, with a bias toward speed, clarity, and impact.

Qualifications

• 3-5+ years of experience writing high-converting marketing copy (emails, landing pages)
• Excellent editorial judgment and mastery of tone, clarity, and CTAs
• Digital-first mindset with multi-platform storytelling and performance metrics
• Hands-on with creative tools and comfortable using AI to enhance ideation, testing, and optimisation
• Familiarity with localisation and scaling messages globally, bonus if US audiences
• Comfortable collaborating with cross-functional partners and adapting quickly to feedback
• Proactive, solutions-oriented and entrepreneurial in fast-paced environments
• Passion for tech, start-ups, AI and cultural storytelling

Responsibilities

• Write and edit compelling copy across platforms (email, landing pages, product launches)
• Maintain and evolve Fyxer's tone of voice across platforms, ensuring accuracy, clarity and consistency
• Collaborate with designers to bring ideas to life and drive acquisition, retention and engagement
• Optimise copy using insights from user behaviour, engagement data and A/B tests
• Conduct market, audience and competitor research to inform messaging
• Bring fresh, diverse perspectives to a high-performing team to raise the bar

Skills

Copywriting

Editorial judgment

Digital marketing

AI tools

Localization

Collaboration

Adaptability

Ownership

Tools

Creative tools

AI tools

Job description

Fyxer Limited in London is seeking an exceptional contract Copywriter to join our Marketing team. You will craft high-converting emails, landing pages, and product launches, ensuring our language stays on point across channels.

You’ll collaborate with designers, optimise copy using behavioural insights and A/B tests, and help scale messaging for global audiences, with a bias toward speed, clarity, and impact.