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Media Buyer (LATAM)

Assistantly

Brazil Remote permanent

Posted: March 31, 2026

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Quick Summary

Partner with founders and marketing teams to drive revenue through strategic paid campaigns, owning everything from launch and optimization to performance analysis and creative testing.

Job Description

About Assistantly

Assistantly connects exceptional Unicorn talent with fast-moving businesses where clarity, accountability, and high standards are non-negotiable—and where strong performance is genuinely supported.

As a Media Buyer, you’ll partner with founders and marketing teams to drive revenue through strategic paid campaigns, owning everything from launch and optimization to performance analysis and creative testing. You’ll take a data-driven approach to improve CAC, scale winning campaigns, and maximize ROI, with the support of structured systems, ongoing coaching, and a dedicated Success Manager.

This is a full-time, long-term opportunity designed for impact, growth, and direct influence on business and revenue performance.

About the Role

This role focuses on Facebook/Instagram Ads performance, campaign optimization, analytics, and creative strategy collaboration.

You’ll be responsible for driving customer acquisition, optimizing CAC, leading testing strategies, and translating performance data into actionable insights.

If you excel at performance marketing, thrive in fast-moving environments, and can make decisive, data-backed decisions while collaborating with creatives, this role is perfect for you.


Requirements:
• Own and manage end-to-end paid media campaigns across Facebook and Instagram, with expansion into TikTok as a secondary channel

• Develop and execute A/B testing strategies across audiences, creatives, copy, and funnels to continuously improve performance
• Analyze campaign data daily and weekly, tracking key metrics such as CAC, ROAS, CTR, and conversion rates
• Build and optimize tracking systems (pixels, events, attribution) to ensure accurate performance measurement and reporting
• Collaborate closely with the in-house content creator to refine hooks, messaging, and creative iterations based on performance data
• Identify scaling opportunities and allocate budgets strategically to maximize ROI and customer acquisition
• Translate campaign performance into clear, actionable insights and communicate updates to the founder on a regular cadence
• Create and execute a 30/60/90-day plan, including quick wins and long-term growth strategies
• Continuously monitor trends, platform updates, and competitive activity to refine campaign strategies
• Take full ownership of paid media performance, making proactive optimizations and strategic decisions independently

Qualifications:

• 4+ years of experience in paid media buying, with deep expertise in Facebook Ads (must-have)
• Proven track record of managing and scaling performance-driven campaigns with measurable CAC improvements (must-have)
• Fluency in Spanish (must-have)
• Strong analytical skills with experience in tracking setup, attribution models, and performance reporting
• Experience running or testing TikTok Ads (preferred)
• Experience working with LATAM markets or audiences (preferred)
• Ability to collaborate with creative teams and provide performance-driven feedback on ad creatives
• Self-starter mindset with strong ownership, initiative, and strategic thinking

Tools You'll Use:

• Paid Media Platforms: Facebook Ads Manager, Instagram Ads (must-have), TikTok Ads (nice-to-have)
• Analytics & Tracking: Meta Pixel, conversion tracking tools, analytics dashboards (must-have)
• Communication: Slack / WhatsApp / Zoom (must-have)


Benefits:
• Competitive salary

• Paid US holidays
• Paid wellness days
• Health & wellness allowance
• Monthly profit sharing
• Sales, AI, and Operations upskilling
• Dedicated Success Manager and long-term placement support

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