Founding Product Manager

Sorry, this job was removed at 11:30 a.m. (CST) on Wednesday, Aug 13, 2025
Cambridge, MA
In-Office
120K-160K Annually
Fitness
Building the first multimodal AI Personal Trainer
The Role

💡 About The Role:

As Ray's Founding Marketer, you'll build our growth engine from scratch. You will start by defining our ideal customer and core message, then shift to hands-on execution—launching the initial campaigns and experiments that will drive sustainable customer acquisition and set us up for long-term success.

🧠 Your focus:

  • Deeply understand our users and define our Ideal Customer Profile (ICP) through qualitative interviews, surveys, and data analysis.
  • Develop Ray's core messaging, positioning, and value propositions that will serve as the foundation for all marketing efforts.
  • Own the go-to-market (GTM) strategy, identifying the most promising channels for reaching our target audience.
  • Begin testing and validating our messaging on 1-2 core channels with scrappy, low-cost experiments.
  • Own our content and social media presence, creating initial assets that speak directly to our ICP.
  • Identify growth opportunities (onboarding, activation, retention) via user interviews and analytics. 

 

✅ Skills Needed

  • 2-5 years in product marketing (ideally for a mobile or consumer subscription product).
  • Exceptional communication and writing skills, with the ability to develop strong messaging that cuts through the noise.
  • Proven ability to conduct qualitative customer research (interviews, surveys) and translate those insights into actionable marketing strategies.
  • Hands-on experience managing multiple marketing functions, including content, social media, email, and basic paid acquisition.  
  • A "doer" mentality with a portfolio of work (e.g., copy you've written, campaigns you've run, landing pages you've built).
  • Big bonus points if you use Ray - we live our customer journey daily.

🚀 What Success Looks Like

  • 45-Days: You’ve conducted 15-20 customer interviews, developed insights and a core messaging framework, and developed baseline marketing metrics.
  • 90-Days: You’ve launched initial tests of the messaging framework on 1-2 core channels, learning from our first cohort, and evolving your initial GTM plan.
  • 6-Months: Repeatable acquisition engines that 10× active users and set us up for Series-A-level scale.

❤️ Why You’ll Love It

  • Shape the AI fitness category and help people stay healthy. 
  • Move at the speed of culture. Prototype daily, test on yourselves, launch fast.
  • Do career-defining work with people who care. Focused, brilliant teammates, plenty of laughs, zero bureaucracy.
  • Own real upside. (Equity is tied directly to your impact).

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The Company
HQ: Cambridge, MA
6 Employees
Year Founded: 2023

What We Do

Ray is the AI-powered personal trainer that brings human-grade coaching to your phone. We’re a small, fast-moving crew shipping daily and living the product ourselves. If shaping the future of AI fitness, building a breakout consumer app, and working alongside smart, driven people sounds exciting, this is for you!

Why Work With Us

We're building technology to help the world be healither.

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