Copywriter

About Poshmark

Poshmark is a fashion marketplace centered on discovery, personal style, and community connection. With a member base of 165 million, it creates a social shopping experience where buying and selling feels easy, enjoyable, and personal. The platform helps sellers build real businesses, extends the life of fashion, and gives shoppers access to distinctive, trusted items ranging from everyday wear to rare vintage and luxury pieces.

Poshmark is looking for a strategically minded and highly creative Copywriter to join its Creative Team. The role focuses on defining and protecting the brand voice across customer-facing touchpoints, including paid social, lifecycle marketing, in-app content, editorial storytelling, and product experiences.

The right person will combine strong writing craft with a performance-driven mindset, understanding how language can improve engagement, conversion, retention, and sentiment. Success in this role requires the ability to tailor copy for different formats and audiences while keeping the brand voice consistent.

This position partners closely with Creative, Growth Marketing, Product, CRM, Merchandising, and Social teams to produce channel-appropriate copy that reflects Poshmark’s mix of fashion, culture, resale, and community.

Responsibilities

• Create and refine customer-facing copy for paid social, email, push notifications, landing pages, in-app messages, onboarding experiences, editorial content, and integrated campaigns.
• Keep all writing aligned with Poshmark’s brand voice, tone, and positioning across channels and customer journeys.
• Take part in campaign ideation, message development, and creative brainstorms with cross-functional partners.
• Adjust tone, structure, and messaging to suit the expectations and behavior patterns of each platform, including email, mobile, social, web, and app.
• Develop short, persuasive headlines, calls to action, captions, and campaign copy built for mobile-first experiences.
• Work with designers so that written content and visual storytelling complement each other effectively.
• Collaborate with Growth and CRM teams on conversion-focused copy for acquisition, retention, reactivation, and lifecycle programs.
• Create and test alternate copy versions using engagement data, click-through rates, open rates, and campaign results.
• Refine messaging quickly based on test outcomes and business priorities.
• Help shape, improve, and preserve Poshmark’s voice and tone guidelines.
• Act as a source of truth for consistency and quality in copy across teams and contributors.
• Ensure messaging reflects the brand’s personality, values, and relationship to fashion and resale culture.
• Use AI writing tools and LLM-supported workflows for ideation, drafting, testing, localization, and scaling content while keeping the writing human-centered and editorially strong.
• Keep up with new developments in content strategy, digital storytelling, social voice, and AI-assisted creative methods.
• In the first 6 months, fully absorb Poshmark’s voice, messaging systems, and marketing workflows.
• Within the first 6 months, handle copywriting independently for major customer-facing channels such as email, push, paid social, and in-app experiences.
• Within the first 6 months, build effective working relationships with Creative, Growth, Product, CRM, and Merchandising teams.
• Within the first 6 months, deliver polished, on-brand copy that advances campaign goals and improves customer engagement.
• Within the first 6 months, contribute fresh messaging concepts and platform-specific writing ideas.
• Within the first 6 months, show proficiency with AI-assisted writing tools in the creative process.
• Within 12 months, become a trusted guardian of the brand voice and a strategic creative partner on major initiatives.
• Within 12 months, lead message development for integrated, multi-channel marketing campaigns.
• Within 12 months, help refine Poshmark’s voice and tone standards across customer experiences.
• Within 12 months, demonstrate measurable gains in engagement, conversion, retention, and lifecycle performance.
• Within 12 months, build scalable copy systems, templates, and workflows that improve consistency and efficiency.
• Within 12 months, serve as a go-to resource for AI-assisted copy workflows, content optimization, and digital storytelling best practices.

Requirements

• 3 to 5 years of copywriting experience, preferably in a consumer brand, marketplace, fashion or lifestyle company, or an agency supporting DTC or app-based clients.
• A strong portfolio showing breadth across brand storytelling, performance marketing, UX writing, editorial work, and digital campaigns.
• Excellent writing, editing, and proofreading skills, with a sharp eye for tone, clarity, and brevity.
• The ability to adjust messaging for different formats, audiences, and channels while keeping the brand voice unified.
• Strong instincts for headlines and storytelling, along with an understanding of how copy influences user behavior.
• Hands-on experience creating copy for paid social, email, push, landing pages, and in-app messaging.
• Knowledge of copy optimization, including engagement metrics, conversion drivers, and testing approaches.
• Comfort with mobile-first content strategy and channel-specific best practices.
• Well-developed organization and project management skills with the ability to juggle multiple workstreams.
• A collaborative working style and openness to feedback, fast iteration, and strategic creative discussion.
• A proactive, adaptable approach and comfort working in a fast-paced environment.
• Experience in fashion, resale, marketplace, or consumer app settings is preferred.
• UX writing or product copy experience is preferred.
• Familiarity with SEO and AEO content principles is preferred.
• Experience with Klaviyo or similar email marketing tools is preferred.
• Strong social writing instincts for TikTok and Instagram are preferred.
• Experience developing or maintaining brand voice guidelines is preferred.
• Familiarity with AI prompt workflows and scalable content generation processes is preferred.

Additional Information

This is a full-time onsite role based in California, United States. No stipend or salary figure was provided in the source. The posting does not mention a specific number of openings, application deadline, start date, or internship duration.

The role emphasizes cross-functional collaboration, performance-oriented copy, AI-assisted workflows, and the ability to contribute across both brand and lifecycle marketing workstreams. Candidates should be ready to work in a fast-moving environment and contribute to building scalable copy systems and editorial standards.