Copywriter

Poshmark is seeking a strategic and creatively driven Copywriter to join the Creative Team. This role is responsible for shaping and maintaining the voice of the Poshmark brand across every customer-facing touchpoint — from paid social campaigns and lifecycle marketing to in-app messaging, editorial storytelling, and product experiences. The ideal candidate is both a brand storyteller and a performance-minded writer who understands how language influences engagement, conversion, retention, and customer sentiment.

Responsibilities

Write and edit customer-facing copy across paid social, email marketing, push notifications, landing pages, in-app messaging, onboarding flows, editorial content, and integrated campaigns; Ensure all copy aligns with Poshmark’s voice, tone, and brand positioning across channels and customer experiences; Contribute to campaign ideation, messaging development, and creative brainstorming alongside cross-functional teams; Adapt tone, structure, and messaging to suit platform-specific behaviors and user expectations across email, mobile, social, web, and app experiences; Develop concise, compelling headlines, CTAs, captions, and campaign messaging optimized for mobile-first environments; Collaborate closely with designers to ensure copy and visual storytelling work cohesively together; Partner with Growth and CRM teams to create and optimize conversion-focused copy for acquisition, retention, reactivation, and lifecycle marketing initiatives; Write and test multiple copy variations informed by engagement metrics, CTR, open rates, and campaign performance data; Iterate quickly based on testing results and business objectives; Help define, evolve, and maintain Poshmark’s brand voice and tone guidelines; Serve as a resource for copy consistency and quality across teams and contributors; Ensure messaging reflects the brand’s personality, values, and connection to fashion and resale culture; Utilize AI writing tools and LLM-assisted workflows to support ideation, drafting, testing, localization, and content scalability while maintaining editorial quality and human-centered storytelling; Stay informed on emerging trends in content strategy, digital storytelling, social voice, and AI-assisted creative processes.

Requirements

3–5 years of copywriting experience, ideally within a consumer brand, marketplace, fashion/lifestyle company, or agency environment supporting DTC or app-based clients; Strong portfolio demonstrating range across brand storytelling, performance marketing, UX writing, editorial content, and digital campaigns; Exceptional writing, editing, and proofreading abilities with strong attention to tone, clarity, and brevity; Ability to adapt messaging across multiple formats, audiences, and platforms while maintaining a cohesive brand voice; Strong headline writing and storytelling instincts with an understanding of how copy drives user behavior; Experience writing for paid social, email marketing, push notifications, landing pages, and in-app messaging; Understanding of copy optimization principles, including engagement metrics, conversion drivers, and testing methodologies; Familiarity with mobile-first content strategies and channel-native best practices; Strong organizational and project management skills with the ability to manage multiple concurrent workstreams; Collaborative mindset with comfort receiving feedback, iterating quickly, and contributing strategically to creative discussions; Proactive, adaptable, and comfortable operating in a fast-paced environment.

Nice to have

Experience within fashion, resale, marketplace, or consumer app environments; UX writing or product copy experience; Familiarity with SEO and AEO content principles; Experience using Klaviyo or similar email marketing platforms; Strong social-native writing instincts across TikTok and Instagram; Experience developing or maintaining brand voice guidelines; Familiarity with AI prompt workflows and scalable content generation processes.