Strategist / Media Buyer
Multiply Ai
Remote · San Francisco, CA · Posted December 17, 2025
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About the job
Strategist / Media Buyer
BUILD THE FUTURE OF B2B ADVERTISING
Multiply is an early-stage, high-growth startup based in San Francisco. We are the first AI-powered Media Agency for B2B companies. We built Blue, an AI Agent that is becoming the world’s best B2B performance marketer. Blue works 24/7 to design, launch, test, and optimize paid media campaigns to help our customers grow faster.
We are VC-funded and stepping on the gas.
We are 13 people today. You would be #14.
Our customers include some of the most well-known tech companies in Silicon Valley, including multiple unicorns. Demand is already ahead of our capacity, and this role is critical to scaling what works.
If you want to help define how modern B2B growth is done and shape how AI and humans work together, this role is for you.
THE ROLE
As a Strategist, you are the quarterback for our customers and a core builder of how Multiply operates. You will be the 2nd Growth Strategist on our team. You will help us build the org and company from the ground up.
AI does a meaningful amount of media buying at Multiply and it will do more over time. That said, this is not a passive role. You will be hands-on, in the platforms, building and optimizing campaigns yourself while partnering closely with Blue.
You will help decide:
- What the AI should do today
- What humans should do today
- What the AI should learn to do next
You will work directly with the CEO, our founding team, and our engineers to turn customer insights into better campaigns and a better AI product.
WHAT YOU WILL DO
CUSTOMER ONBOARDING AND STRATEGY
- Lead onboarding for new customers
- Define ICPs, audiences, funnels, creative direction, and testing strategy
- Set clear success metrics and expectations
- Hands-on campaign building and performance. Build, launch, and optimize LinkedIn and Google campaigns directly
- Own day-to-day performance across customer accounts
LEAD EXECUTION ACROSS HUMANS AND AI
- Partner with Design, Ad Ops, and Engineering to execute strategy
- Write clear creative and campaign briefs
- Guide engineers on how the AI should evolve based on real campaign work
- Act as the voice of the customer internally. Surface insights, friction points, and feature requests
CUSTOMER RELATIONSHIPS
- Own customer relationships via Slack and recurring meetings
- Run monthly strategy and performance reviews
- Give clear, direct feedback to customers to help them win
- Build trust through transparency and results
WHO YOU ARE
- Strong experience running LinkedIn Ads
- Comfortable being hands-on in campaign managers
- Strong analytical mindset with the ability to explain what matters and why
- Comfortable owning outcomes end to end
- Clear communicator who works well with executives and engineers
- Fast-moving, execution-focused, and resilient
- Excited by change and ambiguity
WHY THIS ROLE IS SPECIAL
- You are early. Very early.
- You will be employee #14 at a fast-growing, VC-backed startup.
- You will shape how humans and AI work together in real production systems.
- You will build campaigns yourself and influence how the AI takes over more of that work over time.
- You will work directly with the founder and founding team.
- You will have real product influence, not just feedback loops.
- You will see direct, measurable impact from your work.
If you want ownership, pace, and the chance to help define the future of B2B growth, we would love to meet you.