Senior Customer Strategy Manager

Senior Customer Strategy Manager (CSM)

Quartile, the world's largest retail media optimization platform, is a trusted partner for multichannel e-commerce success. Through unmatched expertise and patented AI technology, we fuel growth for 5,300+ brands and sellers worldwide and manage an annual ad spend exceeding $2 billion. The award‑winning platform covers major marketplaces and ad channels for optimal reach. The result is unprecedented granularity, smarter budgeting, and bespoke solutions for retailers.

Quartile is proud to be an equal opportunity employer with employees stemming from a wide range of backgrounds and experiences. As a business, we value the enrichment that diversity brings to our organization and are committed to a culture that creates a sense of inclusion and belonging. We welcome new perspectives and affirm that all employment decisions are made without regard to race, color, ancestry, religion, national origin, age, familial or marital status, sex, sexual orientation, pregnancy, gender identity or expression, disability, genetic information, veteran status, or any other classification protected by federal, state, or local law.

We're looking for a Senior Customer Strategy Manager (CSM) to join our high‑performing Customer Strategy team and play a key role in driving impactful outcomes for innovative e‑commerce brands. This role is perfect for someone who thrives at the intersection of data, strategy, and relationship‑building and is excited to make a visible difference in clients' growth.

With 5+ years of experience in a B2B client‑facing role, you know how to flex between deep analytical conversations and big‑picture storytelling. You're a compelling communicator, comfortable leading presentations, managing expectations, and identifying upsell opportunities when they align with client goals. The ideal candidate brings experience in SaaS or digital marketing environments, particularly in fast‑paced, high‑growth settings.

In this role, you'll own a portfolio of Mid‑Market and Enterprise clients, leading strategic conversations, guiding cross‑functional collaboration, and ensuring exceptional client experiences every step of the way.

• 5+ years of experience in a B2B client‑facing or strategic account management role; experience in SaaS or digital marketing is preferred
• Proven ability to lead both analytical discussions and strategic business conversations with senior stakeholders
• Strong communication and presentation skills; you know how to make data accessible, engaging, and actionable
• Experience identifying and pursuing upsell opportunities, with a focus on aligning recommendations to business goals
• Advanced Excel skills – e.g., formulas, VLOOKUPs, pivot tables – and comfort working with analytics platforms or performance dashboards
• A proactive, solutions‑oriented mindset; you bring clarity and composure to fast‑moving or complex situations
• Experience managing difficult conversations with professionalism and empathy, always working toward positive outcomes
• A collaborative mindset and a passion for contributing to a team that values growth, ownership, and transparency.

• Familiarity with digital marketing platforms like Amazon PPC, Google Ads, and Meta
• Background in a fast‑paced, high‑growth environment such as a startup or agency
• Google Analytics, Google Ads, or Amazon certifications
• Prior experience with tools such as Salesforce, Power BI, Churn Zero, or other analytics platforms.

• Own a portfolio of 10+ large and mid‑level e‑commerce accounts as an individual contributor, building consultative, trust‑based relationships with key stakeholders
• Act as a strategic partner for clients, driving digital marketing performance, providing forecasting support, optimizing product catalogs, managing budgets, and identifying new growth opportunities
• Lead weekly, biweekly, or monthly client meetings and QBRs, preparing clear, data‑backed presentations that tie performance insights to business goals
• Communicate complex performance metrics and trends in a clear, engaging way, connecting tactical optimizations to strategic outcomes
• Analyze campaign…