Growth Manager, Paid Social

Stash • New York, NY

6d • $140,000 - $160,000 • Hybrid

About The Position

Stash is seeking a Growth Manager, Paid Social to own paid social and mobile ad network customer acquisition. The role is part of the Growth team and reports to the Sr. Director of Acquisition. It owns channel strategy, execution, optimization, testing, and measurement across paid social platforms such as Meta and TikTok and mobile ad networks such as AppLovin, with a focus on efficient new customer acquisition. The position has significant influence over acquisition efficiency and may expand to additional performance channels as business priorities evolve.

The manager will run hands-on media, build a disciplined experimentation system, and use AI-enabled workflows to increase operating velocity. They will work closely with the Performance Creative Strategist to develop an effective paid social engine, and partner with Data, Product, Brand, and Martech on attribution, incrementality, and measurement. Success is measured by CAC, payback, ROAS, and new customer acquisition.

This position follows a hybrid schedule, with at least three days per week on-site at Stash's New York office and work-from-home flexibility.

Requirements

• 4–6 years of hands-on experience buying and optimizing paid social, such as Meta and/or TikTok, with a track record tied to performance metrics.
• Deep knowledge of working with mobile measurement partners (MMPs), such as AppsFlyer.
• Experience building and executing testing roadmaps across media and landing pages.
• Strong analytical skills, including comfort with performance data and experiment design, and the ability to translate insights into action.
• Bias for speed and ownership.
• Strong communication skills and ability to partner effectively with creative, data, and cross-functional stakeholders.

Nice To Haves

• Experience using AI tools or automation to increase leverage.
• Experience with mobile ad networks or user-acquisition platforms such as AppLovin, or strong adjacent mobile performance experience.
• Experience owning landing-page or conversion-rate optimization testing for acquisition funnels.
• Familiarity with fintech, consumer finance, or another regulated industry.
• Experience with incrementality testing, attribution, or media mix measurement.
• Experience standing up or scaling performance channels beyond social and mobile.
• Curiosity about and familiarity with AI tools that can streamline and improve processes.

Responsibilities

• Develop and own strategy and execution for paid social channels such as Meta and TikTok, and mobile ad networks such as AppLovin, focused on efficient new customer acquisition.
• Manage budgets, pacing, bidding, audience and account structure decisions, and optimization to improve CAC, payback, and scalable growth.
• Build and manage a testing roadmap that maintains a steady stream of media experiments.
• Own acquisition landing-page experimentation tied to assigned channels, including prioritizing tests, defining success metrics, and deciding whether to ship, stop, or scale based on performance.
• Partner with the Performance Creative Strategist on message match between ads and landing pages; own performance readouts and decision-making.
• Identify and implement AI-driven tools and workflows to accelerate reporting, optimization, experiment tracking, and day-to-day media operations.
• Analyze performance data to identify effective or declining activity and determine where to allocate spend.
• Develop hypotheses based on learnings across targeting, bidding, account structure, offers, and landing pages.
• Report on channel and funnel performance and share insights with acquisition and marketing teams.
• Collaborate with the Performance Creative Strategist to connect creative, partners, and paid media, including creator whitelisting and Spark Ads.
• Partner with Data, Product, Brand, and Martech on attribution, incrementality, and measurement.
• Provide media input on campaign planning and potential expansion into additional performance channels.

Benefits

• Comprehensive total rewards package comprising compensation, including salary and equity, and health care benefits.
• Complimentary subscription to a Stash+ account.
• Hybrid work environment with work-from-home flexibility.
• Flexible PTO.
• Work-from-home equipment stipend and home internet subsidy.
• Paid parental leave for birth-giving and non-birth-giving parents, with primary and secondary offerings.
• Enhanced health and wellness benefits through One Medical, Gympass, and Maven Health.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed