B2B Content Marketer Job at GrowthAssistant in Saint Louis

About the Role

GrowthAssistant is hiring an early-career Content Marketer to help us ideate, write, distribute, and scale compelling content across social, email, and web. You’ll own a hands-on content pipeline, run experiments, and use data to learn fast. This role is perfect for a sharp, proactive builder who is eager to join a quickly growing startup and work on a fast-paced, detail-oriented team. This is a copywriting heavy role with fast feedback loops - a great writer is required.

What you’ll do

• Own the content calendar across our LinkedIn / X channels, moving eventually to own our website’s blog, email, and newsletters.
• Conduct interviews with founders, customers, and team members to uncover insights and turn raw conversations into compelling content (posts, videos, landing pages)
• Repurpose and atomize long-form content into tweets, carousels, and snippets.
• Measure performance (traffic, CTR, leads) and propose weekly tests to improve results.
• Research playbooks, use cases and best practices to augment content quality.
• Stay on top of platform best practices and cultural trends; bring fresh content ideas weekly.

What you’ve done (must-haves)

• Bachelor’s degree with an excellent academic record
• 0–2 years of relevant experience (internships, campus publications, freelance count)
• Exceptional written English: crisp, persuasive, and error-free; strong editing chops.
• Demonstrated experience asking sharp, thoughtful questions that surfaced unique stories, leading to high-performing content across blog, social, and email
• Familiarity with major social platforms (especially LinkedIn and X) and how content travels on each.
• Analytical mindset; comfortable pulling simple performance reports and drawing insights.
• High ownership and bias to action; proactive, organized, and deadline-reliable.
• Coachable and growth-oriented; actively seeks feedback and iterates quickly.
• Meticulous attention to detail.

Work eligibility: Must be U.S.-based and legally authorized to work in the United States. Preference for full-time, in-person in St. Louis office. At minimum, must be willing to travel at least once a quarter to St. Louis.

Nice to have

• Exposure to B2B, SaaS, or growth marketing.
• Familiarity with SEO tools (Ahrefs/Semrush), keyword research, and brief creation.
• A small portfolio of writing samples, social posts/threads, or short-form scripts.
• Familiarity with (and curiosity about) AI tools and how they can be used to accelerate content creation and marketing experiments
• Bonus if you’ve dabbled in video editing or short-form content production for social (Reels, TikToks, etc.)
• Experience supporting or promoting online events, webinars, or workshops is a plus

What success looks like (first 90 days)

• Consistent publishing rhythm of 4–6 high-quality pieces per week across channels with <2 feedback cycles.
• Clear lift in priority metrics (e.g., reach, post saves, CTR, meetings).
• Taking on 50% of content development work.
• A simple editorial style guide and repeatable repurposing workflow documented.
• A backlog of tested content angles and 2+ weeks of posts ready beforehand.

About GrowthAssistant

GrowthAssistant helps top U.S. brands like DoorDash, Shopify, Dr. Squatch and Acceleration Partners scale smarter and faster by providing highly skilled global marketing talent. We've placed hundreds of Growth Assistants with startups and high-growth companies, helping them move faster, do more, and unlock real results.

Working at GrowthAssistant means joining a fast-paced, collaborative team where you’ll get real responsibility from day one. You’ll learn how high-performing marketing teams operate, work directly with U.S. brands and bootstrapped founders who’ve made it, and gain exposure to multiple functions — from content and lifecycle to paid media, design, and ops.

You’ll grow fast. You’ll be surrounded by smart, kind, driven people. And you’ll have a front-row seat to how great businesses scale.

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