Senior Growth Marketing Manager, Paid Social

The role

You will own, scale, and optimize the Paid Social engine with Meta as the core driver. You will be accountable for down-funnel pipeline, efficient CAC, and customer acquisition through signal architecture, audience models, and creative testing.

What you will do

• Own Meta and emerging channel budgets, CAC efficiency, conversion, and downstream pipeline/revenue.
• Partner with Data and Marketing Ops to improve conversion signals, CAPI, and offline conversion tracking.
• Build and execute a continuous, hypothesis-driven testing framework across audiences, bidding, and creative.
• Build paid social strategies that create demand and convert it through retargeting and lower-funnel programs.
• Translate performance data into creative hypotheses and partner with Brand and Design to scale concepts.
• Use first-party data, intent signals, and platform automation to identify and scale high-value audiences.
• Partner with Analytics, Marketing Ops, Field / Events team, PMM, and Sales to connect performance to revenue.

Required qualifications

• 5+ years of growth or performance marketing experience
• Deep hands-on expertise managing and scaling Meta as a primary acquisition channel
• Demonstrated experience owning a paid social channel end to end
• Deep understanding of unit economics (CAC, LTV, payback periods), attribution modeling, and business impact
• Experience running full-funnel paid social programs
• Strong expertise in audience strategy and platform automation
• Strong understanding of conversion signals and measurement, including Meta CAPI and server-side tracking
• Demonstrated experience building structured experimentation roadmaps
• Strong creative judgment and experience writing briefs
• Excellent communicator who can operate autonomously and influence cross-functional partners

Nice to have

• Experience in fin-tech marketing or marketing to finance professionals
• Familiarity with product-led growth or hybrid demand models

About the company

Brex is an intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. It combines global corporate cards and banking with spend management, bill pay, and travel software.