Senior Growth Marketing Manager

Senior Growth Marketing Manager

About the Role:

The Senior Growth Marketing Manager owns a portfolio of paid channels and the mandate to build new ones.

This is a generalist role by design. You'll be the person who takes a channel from a spreadsheet and a hypothesis to a real, forecastable line in the plan — negotiating the first deals, writing the first briefs, standing up the tracking, running the first tests, and then deciding honestly whether it deserves more money or should be shut down. You'll own budget, own the number, and be in the accounts and the data yourself.

We're looking for someone hungry. Someone who would rather have four channels they built than one big channel they inherited. If you like the ambiguity of a channel nobody at the company understands yet, this is a good seat.

What You’ll Do:

• Maintain a live pipeline of untested channels with a prioritized case for each — Reddit, Pinterest, direct mail, CTV self-serve, streaming audio, sampling, comparison and marketplace placements, co-marketing, whatever the category hasn't figured out yet.
• Run each new channel as a real experiment: sized hypothesis, committed test budget, tracking and measurement stood up before spend starts, defined kill criteria, and defined graduation criteria.
• Own the unglamorous parts of standing up a channel — vendor diligence, contracts and insertion orders in partnership with Legal, UTM and promo code taxonomy, pixel and postback implementation, reporting that connects to Shopify.
• Write the playbook for every channel you prove out so it can be handed off, staffed, or scaled without you being the single point of knowledge.
• Say no to your own ideas quickly. Most tests won't work, and the value of this role is how cheaply and honestly you learn that.

• Own CAC, contribution margin, and new customer volume for every channel in your portfolio, with a defensible view of incrementality rather than a platform-reported number.
• Work in Shopify as source of truth and know exactly where and why platform reporting diverges from it.
• Build the reporting yourself — weekly channel reads, monthly incrementality and cohort views, and a clear forecast you're willing to be held to.
• Bring the allocation argument, not just the report: where the next dollar should go, what it's coming out of, and what you expect it to return.
• Flag data quality problems before they become decisions. Tracking gaps, promo code leakage, and attribution artifacts are yours to catch.

Who You Are:

• 5+ years in growth, performance, or acquisition marketing at a DTC, subscription, or ecommerce brand.
• Hands-on ownership of at least one of digital marketing channel and demonstrated range across several other channels — we're hiring a generalist, not a specialist.
• A real 0→1 story: a channel you started from nothing and grew into a meaningful, forecastable line. Be ready to walk through the first $10K, what you got wrong, and how you knew when to double down.
• Strong analytical chops. Comfortable in spreadsheets at a level most marketers aren't, fluent in cohort and LTV:CAC thinking, and appropriately skeptical of last-click attribution.
• Agency and vendor management experience, including negotiation and the willingness to hold a partner accountable or replace them.
• Scrappy and self-sufficient. You build the tracking, write the brief, pull the data, and make the deck — and you don't wait for a process to exist before you start.
• Direct communicator who can make a clear recommendation under uncertainty and change position when the data changes.

Location: Boston, MA or New York, NY (Hybrid, 2-3 days/week in-office) or Remote

We offer:
'14; Fully covered medical benefits + dependent contributions
'14; Unlimited PTO
'14; 401k with up to 4% match
'14; Wellness stipend for health & fitness
'14; Commuter benefits

These are the Values that Guide our Decisions in the Business:

People First

We take care of ourselves, our teammates and our customers equally

Constant Improvement

Small daily improvements and a commitment to innovation and growth in our personal lives, as well as throughout the business

Transparent and Open Communication

Say it straight or it comes out crooked- respectful and direct communication always

Ego is the Enemy

Always stay humble, hungry, and curious

Think Like an Owner

How are my actions or this moment going to affect the big picture?

Risk Taking

Make informed bets and emotionally move on from the ones that don’t work

Creativity and Rapid Iteration

Think big, fail fast and inexpensively

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