Jobs in Barueri, Brazil

As a Senior Media Buyer at Growth Collective, you will fully own a portfolio of accounts, managing roughly $1M / month in spend across Meta and TikTok. You'll be responsible for execution, optimization, and performance outcomes — while collaborating closely with our Creative Strategists, who own creative direction and concept development.

You’ll be client-facing, strategy-driven, and deeply accountable for results.

• Own paid media accounts end-to-end across Meta and TikTok
• Launch, structure, and optimize campaigns using best-in-class frameworks (ASC, Broad, scaling structures)
• Manage budgets confidently at scale, reallocating spend based on performance signals and efficiency
• Run structured experiments using Meta Experiments and platform-native testing tools
• Maintain and improve scaling efficiency while hitting CPA and MER targets

• Traffic ads accurately and efficiently across platforms
• Ensure campaigns are cleanly structured, properly named, and aligned with internal systems
• Coordinate closely with Creative Strategists to deploy creative assets effectively
• Maintain high creative velocity without sacrificing execution quality

• Analyze performance using Triple Whale, GA4, and platform data
• Identify performance trends, scaling opportunities, and efficiency risks
• Translate data into clear insights and action plans for internal teams and clients
• Monitor KPIs including Scaling Efficiency, CPA, and MER across accounts

• Lead client calls and represent Growth Collective with confidence and clarity
• Act as a strategic advisor, not just an executor
• Build strong client relationships through proactive communication and strong performance
• Align execution with broader business goals and paid media plans

• Fluent in conversational english and writing
• 3+ years of hands-on experience managing paid social accounts at scale
• Proven experience managing high six-figure to seven-figure monthly ad spend
• Deep expertise in Meta and TikTok ads
• Strong understanding of : Advantage+ Shopping; Broad vs ASC scaling strategies; Creative-led testing frameworks; Budget reallocation at scale
• Experience with : Triple Whale; GA4; Meta Experiments; Foreplay; Notion
• Strong analytical skills with the ability to move fast and test aggressively
• Excellent communication skills and confidence working directly with clients

• You're highly technical and obsessed with buying mechanics
• You move fast, test often, and make decisive budget calls
• You understand that creative is the growth lever — and know how to support it through media
• You think in terms of systems, frameworks, and scale
• You're comfortable owning results and being accountable for performance
• You enjoy working closely with strategists, not competing with them
• You want to be seen as a strategic partner, not "just the buyer"

• You are confidently managing and scaling client budgets
• You are meeting or exceeding CPA, MER, and efficiency targets
• You have strong working relationships with clients and internal teams
• You are operating independently with clear ownership of your accounts

• Fully Remote Work Environment (EST)
• Competitive Salary : $40,000 USD
• Two Weeks Paid Time Off
• People-First, Performance-Driven Culture
• High-impact role with real ownership and growth potential