Company Overview
Vapi is on a mission to bend the arc of technology back to the human voice. We’re on the edge of voice models hitting human performance, and we want to empower developers to wield this new interface. Our platform helps developers and engineering teams build, test, and deploy voice agents.
The Role:
We are looking for a Growth Engineer to boost our platform’s adoption. You’ll use engineering skills and a growth focus to create strategies and set up systems for user acquisition, engagement, and retention in our developer community. Working with product, engineering, and marketing, you’ll build tools and optimize systems for scalable growth.
Key Responsibilities:
Growth Systems Development: Build and maintain tools, integrations, and automations (e.g., onboarding flows, API wrappers, analytics pipelines) to streamline user acquisition and improve the developer experience.
Experimentation & Optimization: Design and execute growth experiments (e.g., A/B tests, referral programs, viral loops) to identify high-impact opportunities for increasing sign-ups, activations, and platform usage.
Channel Performance Tracking: Develop and maintain attribution models to accurately measure sign-up sources, and assess channel effectiveness, on data-driven insight across various acquisition channels (e.g., paid ads, website pages, SEO).
Funnel Performance: Ship technical optimizations and refactors to reduce drop-off at key funnel points (e.g., signup to activation) and improve acquisition and retention metrics. Independently deliver funnel optimization features such as automated user segmentation for personalized onboarding.
First 30 Day Expectation: Research and present sources of growth; ship a significant experiment optimization; present key insights and learnings from experiments, etc.
What We’re Looking For:
2+ years of experience in software engineering, growth engineering, or a related technical role, with a proven track record of building systems that drive user growth or engagement.
Strong programming skills in languages like Python, TypeScript, or SQL, with hands-on experience building and automating growth experiments (e.g., onboarding flows, analytics pipelines).
Analytical mindset with proficiency in tools like SQL, PostHog, or similar for tracking and interpreting growth data.
Creative problem-solver who can identify unconventional growth opportunities and turn them into actionable, technical solutions.
Familiarity with developer tools, workflows, or ecosystems, and an understanding of what drives developer adoption.
Ability to thrive in a fast-paced, early-stage startup environment with a bias toward action and experimentation.
Bonus: Experience with voice technologies, AI/ML platforms, or scaling B2D (business-to-developer) products.
Why Join Us?
Be a key player in a fast-growing startup with top 1% growth.
Shape the future of voice technology and empower a global developer community.
Work with a passionate, mission-driven team backed by top-tier investors.
Competitive salary, equity, and benefits package.
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Join Vapi as a Growth Engineer in the vibrant city of San Francisco, where your impact on our innovative voice technology will be significant. At Vapi, we’re on a mission to bring human voice capabilities into the tech ecosystem, creating tools that empower developers. As a Growth Engineer, you will leverage your engineering skills with a keen growth focus to enhance our platform’s adoption among our developer community. You’ll collaborate closely with the product, engineering, and marketing teams to design and implement growth strategies that drive user acquisition, engagement, and retention. Your days will be filled with building and maintaining vital systems that streamline our onboarding processes and optimize user experiences. You will take the lead in executing A/B tests to discover what works, refining our growth channels based on data insights, and identifying innovative solutions to reduce dropout rates at key points in our user funnel. With at least two years of experience in software or growth engineering, strong programming capabilities in languages such as Python, and an analytical mindset, you’ll thrive in the dynamic environment at Vapi where experimentation is encouraged. If you’re excited about shaping the future of voice technology while building systems with tangible impacts, Vapi is the place for you.
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