Content Marketing Associate

BrighterBox; City Of London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A dynamic startup in London is looking for a content creator to develop compelling written and visual content. The ideal candidate excels in clear writing, can convey complex ideas simply, and adapts quickly to feedback. Responsibilities include producing blog articles, case studies, and marketing materials. Bonus points for experience in B2B SaaS or product marketing. Join a small team with big ambitions and help shape their messaging.

Qualifications

• Clear and confident writing with strong structure.
• Ability to create various content types beyond long-form.
• Willingness to learn through hands-on experience.

Responsibilities

• Create compelling written and visual content.
• Transform complex concepts into customer-first stories.
• Produce visual assets for marketing and product launches.
• Maintain consistent tone and brand voice.
• Quickly iterate based on feedback and performance.

Skills

Strong writing skills

Content creation

Attention to detail

Ability to learn quickly

Managing multiple tasks

Tools

Canva

Job description

This is a fast-growing startup working at the intersection of AI, client service and commercial insight. Their product brings together signals from conversations, communications and performance data to help teams make better decisions and drive stronger outcomes. Small team, big ambition, lots of momentum.

The role

This is a hands‑on content role sitting between product, marketing and storytelling. You'll be responsible for creating clear, compelling content that explains what the product does, why it matters and how customers benefit.

It's an execution‑first role, ideal for someone who enjoys making things, iterating quickly and learning how modern B2B and AI products are taken to market.

What you’ll be doing

• Creating written and visual content across blogs, case studies, emails, sales decks, one‑pagers and in‑product copy
• Turning complex product and AI concepts into simple, customer‑first stories
• Producing and adapting visual assets (slides, social graphics, diagrams, short videos) using tools like Canva or similar
• Working closely with product and commercial teams to support launches and campaigns
• Keeping tone, messaging and brand voice consistent
• Iterating fast based on feedback, performance and changing priorities

What you’re good at

• Writing clearly and confidently, with strong structure and attention to detail
• Creating different types of content, not just long‑form writing
• Learning by doing and getting stuck in
• Taking feedback well and improving quickly
• Managing multiple pieces of work without losing momentum

Bonus points for

• Exposure to B2B SaaS, startups or product marketing
• Using AI tools to support research or content creation
• A portfolio of writing or marketing work (uni projects absolutely welcome)