Growth Marketer

About RayRay is building an AI-powered personal trainer for everyone, on a mission to help millions of people stay healthy through technology that can speak, listen, and watch you work out. We're a small, fast-moving team shipping daily. The app is live, growing, and rated 4.8 on the App Store. People who find Ray love it. The job now is helping a lot more people find it.The RoleWe're hiring our first dedicated growth marketer to own growth at Ray. Paid social got us here. The next phase comes from everywhere: organic, the product itself, creators, community, and search.You'll report directly to the CEO and work closely with the whole team, including engineering and design when growth lives inside the product. The mandate is simple: test fast, kill the losers, and scale the winners into engines that run every week.This is a hands-on role. You'll write the copy, brief the creators, build the pages, and read the data yourself.What You'll DoRun a real experiment pipeline. Form the hypothesis, build the test, read the results, then double down or kill it without sentimentKeep a ranked backlog of growth bets and be able to explain why the top one is at the topStart with our current hypotheses and add your own: growth loops built into the product, creator and UGC partnerships, App Store growth, referral and word of mouth, content and search, and partnerships with gyms, trainers, and fitness communitiesPartner with engineering and design to ship growth inside the product: referral mechanics, share moments, onboarding experimentsTake the ones that work from experiment to channel. When something repeats, build the process, the creative pipeline, and the reporting so it keeps working without you touching it every dayUse AI as leverage across everything: creative production, copy, analysis, automations. Part of the bet here is that a small team working with AI well can out-execute a big one. Fast never means sloppy: everything that ships should feel like RayWork with our marketing coordinator, who runs day-to-day social and creator logistics, so your tests get executed fastKeep our paid social honest and efficient while you build what comes nextWhat We're Looking For5+ years in consumer growth, with real time at a subscription product. You've seen LTV, CAC, and payback from the insideDeep, hands-on proof in one or two acquisition channels. You personally made it work, not an agency you managed or a team you watched. We don't expect you to have done all of the aboveData fluency: cohorts, funnels, incrementality. You don't need an analyst to tell you whether a test workedAlready working with AI in your marketing, today. Not dabbling: generating and testing creative, drafting copy, building automations, digging through data with it every weekTaste. AI makes it easy to make more; it doesn't make it good. You know the differenceStrong communication skills. You'll be working with creators, freelancers, engineers, and the CEO, and you write clearlyInterest in fitness. You should want to use RayNice to HavesGrowth work at a health, fitness, or wellness brandProduct-led growth experience: you've shipped referral flows, share moments, or onboarding experiments with an engineering teamASO or App Store featuring experienceSQL and light analytics chopsExperience with PostHog, Customer.io, RevenueCat, or similar toolsCompensation & BenefitsSalary: $120,000-$140,000 – depending on experienceWork setup: In-person, 5 days a week, Cambridge, MAOther Benefits: Meaningful equity, unlimited vacation, access to 401K, free lunch every Tuesday at the IDEO building