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Mainstreet

Marketing Content Social Media Manager Remote

Mainstreet, San Francisco, California, United States, 94199

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Job Description

Social Media & Content Manager (Open to Agencies, FTE, or Contractors — Global)

Whether individual or agency, you’ll manage our end-to-end content calendar and ensure that campaigns, social media, blogs, and email activities ladder up to a cohesive, data-driven plan. You’ll also produce creative content across LinkedIn, Instagram, TikTok, YouTube, Facebook, and Twitter/X—with a strong focus on design, Reels/short-form video, storytelling, and innovative use of AI-driven tools to accelerate impact.

What You’ll Do

Content Calendar & Campaigns

Build and manage a unified content and campaign calendar.

Coordinate with marketing, product, and customer teams to align activities.

Ensure content deadlines and deliverables are met across all channels.

Define and manage

AI agents

to help create, repurpose, and distribute content (with human oversight for quality control).

Align storytelling and creative direction across

social media, email, and paid ads

to ensure message consistency.

Social Media Management & Storytelling

Own Bench by Mainstreet’s social presence across all major platforms.

Create content that tells small business success stories and highlights customer value.

Collect and publish customer testimonials

as part of ongoing brand storytelling.

Produce and edit short-form video content (Reels, TikTok, YouTube Shorts) that drives engagement and conversions.

Leverage

cutting-edge AI tools

, data, and insights to optimize creative output and personalize campaigns.

Creative & Design Execution

Ideate, design, and deliver visually compelling creative assets.

Use tools like

Canva, Adobe Suite, CapCut, or Figma

to create standout graphics, carousels, and video content.

Incorporate

AI-assisted design workflows

for faster iteration and brand consistency.

Maintain brand voice and visual identity consistently across all touchpoints.

Conceptualize and execute

guerrilla marketing campaigns

that capture attention and drive organic reach.

Cross-Functional Collaboration

Partner with sales, customer success, and product teams to source stories, insights, and milestones.

Translate internal wins and partnerships into external-facing campaigns that resonate with SMB audiences.

Collaborate on initiatives to

launch a new brand from the ground up

, shaping its digital voice and community presence.

Performance & Reporting

Monitor engagement, reach, and conversion across all content and campaigns.

Provide regular insights and data-backed recommendations for optimization.

Demonstrate

proven conversion rates

and ability to connect creative campaigns directly to sales outcomes.

Qualifications: Qualifications

What We’re Looking For

3–5+ years in marketing, content, or social media management (or agency equivalent).

Proven success managing multi-channel social media and content campaigns.

Strong portfolio demonstrating creative storytelling, design skills, and short-form video.

Experience using

AI tools

to scale content creation and performance.

Excellent writing, editing, and storytelling ability.

Proficiency with creative/design platforms (Canva, Adobe Suite, CapCut, Figma, etc.).

Highly organized, collaborative, and able to balance strategy with execution.

Nice-to-Haves

Experience working with SMBs, SaaS, or fintech brands.

Exposure to paid social campaigns and analytics.

Photography, video production, or motion design experience.

Experience launching or growing new brands and online communities.

Additional Information

Our Core Values

At the heart of everything we do are two values that guide how we work and grow together:

Candor

– We believe in open, honest, and respectful communication. Candor helps us solve problems faster, build stronger relationships, and keep our focus on what truly matters. We encourage every team member to speak up, share ideas, and challenge assumptions.

Impact

– We measure success not by effort alone, but by the results we create. Whether it’s streamlining accounting processes, producing accurate financial insights, or enabling better decisions, we prioritize work that drives meaningful outcomes for our company, our customers, and our team.