MarTech Lead

The Growth & Media team at Stitch Fix is responsible for driving new client acquisition and existing client retention and reactivation through strategic paid marketing campaigns. Our commitment to data-driven personalization extends into our marketing where we leverage experimentation, rigorous data analysis, and creative storytelling to fuel scalable and efficient growth. We manage a substantial budget across online and offline channels, collaborating cross-functionally with brand marketing, creative, data science, product, and finance to deliver measurable impact.

We’re looking for a MarTech Lead to own the systems, integrations, and tracking that enable Growth Marketing and our business partners to operate with speed, precision, and confidence. You will manage our end-to-end tracking infrastructure, from Google Tag Manager to our Customer Data Platform, driving reliable client signals, scalable audience activation, and continuous innovation across the MarTech stack.

• Own end-to-end management of Growth Marketing tracking via Google Tag Manager (GTM)
  • Support both client-side GTM (data layer + tagging) and server-side GTM (server integration + API calls).
  • Implement, QA, and optimize tags, triggers, and variables.
  • Collaborate with engineering to manage and QA data layer payloads.
• Troubleshoot and resolve data discrepancies between GTM, analytics, CDP, and ad platforms.
• Own app tracking, including signal instrumentation and QA – a key enabler as we prioritize app growth.
• Maintain and improve the data architecture of our CDP (Blueshift) to unlock richer personalization and efficient operations.
• Partner with engineering, product, and channel owners to deliver high-impact initiatives on the MarTech roadmap.
• Partner with product and brand marketing to holistically support new feature launches.
• Configure and manage audience segmentation and activation across CDP, LiveRamp, and ad platforms.
• Work closely with BI/Analytics to ensure clean data pipelines powering dashboards and reporting.
• Support campaign measurement and attribution, ensuring marketing teams have trusted and actionable data.
• Optimize ad trafficking and launch processes to accelerate paid marketing velocity.
• Partner with Legal and Security teams on consent management and data governance (e.g., CCPA compliance).
• Stay up to date on AI, personalization, privacy, MarTech, and AdTech trends to advise and evolve our ecosystem.

• You have 4-6+ years of experience in marketing analytics, MarTech, AdTech, or growth tracking roles.
• You are a Google Tag Manager expert, including data layers, client-side and server-side tagging, and debugging tools.
• You have strong experience with mobile app tracking frameworks (e.g., Firebase, MMPs).
• You bring a deep understanding of CDPs (Blueshift a plus) and audience activation workflows.
• You have hands-on experience with downstream platforms like LiveRamp and major ad platforms (Meta, Google, Pinterest, TikTok, etc).
• You are skilled at translating complex technical details into clear, actionable plans for partners.
• You love enabling teams with reliable data, automation, and scalable infrastructure.
• You thrive in ambiguous and collaborative environments, proactively finding paths to progress.
• You care about both data quality and speed-to-market, knowing when to optimize for each.

• We are a group of bright, kind people who are motivated by challenge. We value integrity, innovation and trust. You’ll bring these characteristics to life in everything you do at Stitch Fix.
• We cultivate a community of diverse perspectives— all voices are heard and valued.
• We are an innovative company and leverage our strengths in fashion and tech to disrupt the future of retail. 
• We win as a team, commit to our work, and celebrate grit together because we value strong relationships.
• We boldly create the future while keeping equity and sustainability at the center of all that we do. 
• We are the owners of our work and are energized by solving problems through a growth mindset lens. We think broadly and creatively through every situation to create meaningful impact.
• We offer comprehensive compensation packages and inclusive health and wellness benefits.