Growth Marketing Manager — AI-Driven, Multichannel Growth

Stash; New York (NY); Hybrid; USD 140,000 - 160,000; Full time

Benefits offered by this job

Hybrid Work Policy – NYC hybrid work

Health care benefits

Home internet stipend

Flexible PTO

Parental leave

Job summary

Stash is seeking a Growth Marketing Manager to identify, launch, and prove out new growth channels in a hybrid NYC environment. You will lead tests from strategy to measurement, starting with influencer channels and expanding to podcasts, TV, direct mail, and digital platforms.

You’ll collaborate with Growth, Brand, Creative, Data, and Finance to build repeatable growth programs and optimize offers, landing pages, and referrals based on performance data.

Qualifications

• 3–5 years of experience in growth, growth marketing, or a similar cross-functional role.
• Experience at a startup or zero-to-one environment with independence and rapid iteration.
• Proven track record turning ideas into testable growth programs.
• Strong project management, coordination across teams, and clear communication.
• Analytical foundation for metrics, learnings, and scale decisions.
• Creative instincts for customer insights, concepts, and briefs.

Responsibilities

• Build and test new growth channels, with hypotheses, budgets, audiences, and success metrics.
• Own tests from strategy through launch, measurement, iteration, and recommendation.
• Lead initial influencer channel test and define creator profiles and briefs.
• Develop channel-specific creative hypotheses and ensure message alignment across assets.
• Analyze performance across CAC, payback, and new customer acquisition; translate results into actions.

Skills

Growth marketing

Startup experience

Channel testing

Project management

Analytics

Creative instincts

Bias for action

Communication skills

AI tools usage

Tools

Landing-page testing

Experimentation platforms

Job description

Stash is seeking a Growth Marketing Manager to identify, launch, and prove out new growth channels in a hybrid NYC environment. You will lead tests from strategy to measurement, starting with influencer channels and expanding to podcasts, TV, direct mail, and digital platforms.

You’ll collaborate with Growth, Brand, Creative, Data, and Finance to build repeatable growth programs and optimize offers, landing pages, and referrals based on performance data.