Handshake AI connects frontier AI labs with the domain experts they need to train their modelsPhDs, engineers, lawyers, doctors, and more. When a lab needs thousands of specialists activated within days, our growth team makes it happen. We're looking for a Senior Growth Marketing Manager with a focus on paid social to own acquisition channels end-to-end, scale LinkedIn and Meta, break into untapped platforms like TikTok, and serve as a thought partner on project-level budget strategy. This role sits within our product org, so funnel changes move fast.
Paid Social: Own and scale LinkedIn and Meta as our primary growth channelsmanaging campaign strategy, creative iteration, audience targeting, and daily optimization to hit cost-per-activation targets
New Channels: Launch net-new paid social platforms (TikTok, Snapchat) from zero, with structured tests, clear exit criteria, and a scaling plan for what works
Channel Coverage: Take 12 existing channels off our current Growth Marketer's plate, contributing to Google and Reddit alongside your paid social focus
Speed: Respond to same-day campaign needswhen delivery ops surfaces a ramp requirement, campaigns are live within hours
Budget Modeling: Translate project ramp plans and bill rates into channel spend forecasts, owning cost-per-activation accountability for each engagement
International Expansion: Pioneer growth into new marketsstarting with Canada and UK, and eventually Spanish-speaking markets in Mexico and LatAm
5+ years in growth or performance marketing with a focus on paid social channels
Hands-on LinkedIn and/or Meta experiencecampaign builds, creative testing, audience strategy, and bid optimization
$1M+ in annual ad spend managed across paid social and other paid channels
Experience launching a paid channel from scratchbusiness case, test structure, and scale
Ability to build channel-mix budget models from a ramp plan and CAC target
Creative self-sufficiency: you write copy and iterate on ads without waiting on a designer
Comfort with spiky, project-based demand and making fast decisions with incomplete data
Bonus Points:
Experience with TikTok, Snapchat, or other emerging paid social platforms
Familiarity with AI training, data labeling, or model evaluation
International campaign experience across multiple markets or languages
Handshake delivers benefits that help you feel supportedand thrive at work and in life. The below benefits are for full-time US employees.
Ownership: Equity in a fast-growing company
Financial Wellness: 401(k) match, competitive compensation, financial coaching
Family Support: Paid parental leave, fertility benefits, parental coaching
Wellbeing: Medical, dental, and vision, mental health support, $500 wellness stipend
Growth: $2,000 learning stipend, ongoing development
Remote & Office: Internet, commuting, and free lunch/gym in our SF office
Time Off: Flexible PTO, 15 holidays + 2 flex days
Connection: Team outings & referral bonuses
Explore our mission, values, and comprehensive US benefits at joinhandshake.com/careers.