Senior Customer Success Manager

About Checkmate and Mate.

Checkmate is a multichannel offers network loved by 100M shoppers and hundreds of leading brands.

mate. is your AI growth teammate, the eCommerce data network that agentically turns customer intelligence into revenue.

mate finds it, Checkmate goes and gets it. Checkmate is the distribution network, with 100M+ shoppers and 12B+ live intent signals. mate is the AI layer built on top of it: it resolves anonymous visitors, spots the revenue a brand is missing, and builds and executes the campaigns to capture it.

mate runs six agents for brands:

1. Mate Intelligence: a customer dashboard and AI chatbot that surfaces the revenue a brand is missing.
2. Enrichment: identity resolution that reveals and resolves anonymous visitors.
3. Growth: AI-built, single-use offers delivered across our network and a brand's own channels, priced on performance, with no retainers and no lock-in.
4. Social Activation: enriches social handles into full shopper profiles.
5. LLM Visibility: tracks and grows how a brand shows up in AI search and assistants.
6. Code Leakage: finds leaked discount codes and replaces them with single-use ones.

The combination is rare: a consumer product shoppers love and an AI growth engine brands depend on.

We work with leading brands like Everlane, Brooklinen, and Malbon, and we're backed by Google Ventures, Mantis VS, Fuel Capital, and others.

The Role

We're hiring a Sr Brand Success Manager to own our brand relationships from the first day of onboarding through renewal and expansion. You'll be the person brands trust to make Mate and Checkmate work for them: live fast, revenue early, and strong first results that turn into long-term partnerships.

This is a high-ownership role on a small team. You'll carry your own book of brands, run those relationships end to end, and own the revenue we deliver to brands. If you like owning outcomes, moving fast, and being the reason a brand stays and grows, you'll thrive here.

What You’ll Do ⚡

• Onboarding & Activation
• Lead onboarding for new brands, from kickoff through go-live
• Configure each brand's offers, channels, and audiences for their goals
• Set success metrics and a clear first-30-days plan with every brand
• Get brands to first revenue quickly and cleanly
• Account Management
• Own a book of brands as their main point of contact
• Run regular check-ins, business reviews, and performance recaps
• Track account health, usage, and renewal timelines
• Get ahead of risk before it reaches a renewal
• Retention & Growth
• Own renewals across your book
• Identify expansion opportunities and build the case with data
• Turn strong results into case studies and references
• Cross-Functional Execution
• Work with Rev Ops to translate performance into account actions
• Bring brand feedback to Product and Ops, and flag what matters
• Partner with Sales on clean handoffs and account planning
• Build for Scale
• Help standardize onboarding playbooks and account templates
• Improve CS workflows and reduce manual steps
• Contribute to repeatable processes as the team grows

Why This Role Matters

Brands come to Mate for incremental revenue. You're the person who makes sure they get it, and that they stay to get more. When your brands are live, growing, and renewing, the whole business compounds. This is one of the most direct lines to revenue we have, and it's yours to own.

If you're not familiar with Checkmate already, please download Checkmate so you can get an understanding of the product before interviewing for this role:

Requirements

Who You Are

• You build trust fast, and people want to keep working with you
• You're energized by ownership and comfortable being the single point of accountability for an account
• You read the data, find the story in it, and turn it into a recommendation a brand will act on
• You stay organized and move fast when you're juggling a lot at once
• You're genuinely curious about ecommerce and what makes brands grow

What You Bring

• 4-5+ years in customer success, account management, or partnerships in martech, ecommerce, or SaaS
• A track record of retaining and growing a book of business
• Comfort with performance data and the ability to turn metrics into a clear narrative - this is a data heavy role
• Sharp communication, whether you're running a business review or writing a follow-up
• Bonus: you already know the DTC stack (Klaviyo, Attentive, Shopify) or have worked with DTC brands

Benefits

Why Join Mate

• Solve real problems: Help DTC brands unlock millions in missed revenue
• Work with top brands: Partner with category leaders like Brooklinen, Quay, and ColourPop
• Growth opportunity: Exposure to AI, martech innovation, and fast-moving eCommerce

Compensation & Benefits

• Competitive base salary + bonus package
• Equity in a fast-growing, venture-backed company
• Competitive medical/dental/vision/other healthcare coverage
• 4 weeks PTO + health days
• 401k plan
• Monthly stipend for fitness/wellness activities
• Company retreats and team get togethers 2x a year

Remote-first culture (preference for those near major cities - NYC, LA, SLC, Miami, Chicago, etc.)