Product Manager, Growth

Cartesia•San Francisco, CA

52d•Onsite

About The Position

We’re looking for a Growth Product Manager to drive activation, experimentation, and product-led growth at Cartesia. As our first Growth PM, you’ll play a critical role in shaping how developers discover, adopt, and expand usage of our voice AI platform. You’ll lead data-informed initiatives that improve user onboarding, increase conversion through self-serve motion, and help us scale a developer-first growth engine. This role requires a blend of strategic product thinking, analytical rigor, and empathy for developer users. You’ll work cross-functionally with engineering, design, data, marketing, and GTM teams to identify growth opportunities, design high-impact experiments, and build delightful, frictionless experiences for our developer community.

Requirements

6+ years of product management experience, with a focus on growth, activation, or experimentation
Proven track record of driving measurable product-led growth at developer-focused or API-based companies
Deep understanding of developer workflows and the nuances of building for technical end users
Strong analytical and problem-solving skills; strong proficiency with analytics tools such as Amplitude, Mixpanel, Looker or similar
Experience designing, running, and interpreting A/B tests and other experimentation frameworks to drive growth
Demonstrated success in designing and executing growth experiments that impact key business metrics
Excellent cross-functional collaboration and communication skills
Technical background or experience working closely with engineering and data teams

Nice To Haves

Experience with usage-based or freemium models in developer tools, infrastructure, or API products
SQL Proficiency
Familiarity with AI/ML or voice technology products
Experience building growth foundations from 0→1 at an early-stage (Series A/B) startup or Founder experience
Background in data analytics, product instrumentation, or user lifecycle modeling

Responsibilities

Own the end-to-end activation funnel — from signup through first value — optimizing each step to improve conversion and retention
Define and execute a rigorous experimentation roadmap to drive self-serve adoption, expansion, and monetization
Partner with engineering and design to create data-driven onboarding flows, in-product guidance, and developer success mechanisms
Collaborate with marketing and DevRel to align growth loops across product, docs, and community touchpoints
Build scalable systems for growth measurement, leveraging analytics and telemetry to identify levers for impact
Translate insights from quantitative data and qualitative feedback into actionable product improvements
Champion a PLG mindset across the organization by embedding experimentation and measurement into our product development process