About us
Onomagic is a digital publisher
- a house for digital publishing brands that readers interact with, share and return to, time after time. We run large media buying budgets and make every decision based on data, so our brands keep growing in traffic and in ROI.

About the role
We're looking for a freelance media buyer to launch, test and scale profitable campaigns on Meta Ads. This is a hands-on buying role. Most of your day is spent inside our Dashboards -analyzing, launching, testing and scaling campaigns. You'll work alongside our existing buyers and grow your own share of spend and profit.

What you'll do
• Launch a high volume of campaigns every week.
• Find new winning angles, keywords and creatives
- and bring back old winners.
• Scale what works, cut what doesn't, fast.
• Test new countries, languages and bidding approaches.
• Keep everything within platform policies.
• Share ideas to make our campaign process faster and more automated. How we measure success Profitable spend at scale. We look at how much you spend, at what ROI, and how steadily you grow it week over week. Must have
• 2+ years hands-on media buying on Meta Ads, with real budgets you managed yourself.
• Proven analytical skills with a data-driven mindset.




• Comfortable launching at high volume
- hundreds of ad sets a week
- without losing quality.
• Solid with numbers: ROI, RPC, CPR, CTR, CPM, CR, discrepancy. You make decisions from data, not gut feeling.
• Working English (Speaking and written).
• Able to manage many campaigns at once in a fast-paced environment.
• Detail-oriented, and quick to make decisions based on data. Who you are
• Passionate about numbers and advertising
- and driven to hit your targets.
• A clear communicator
- you get your point across in a short, focused way, and stick to what matters.
• An owner
- you take responsibility for your campaigns, tests, domains and your results.
• Works well alone and in a team
- independent day to day, and happy to share and learn with others. Nice to have
• Running multi-country, multi-language campaigns.
• Feel for creatives: you can brief a video creator and tell why a creative works.
• Comfortable with spreadsheets, dashboards and working with automations / AI tools. How we work
• Clear daily direction on what to push.
• In-house automations, creative support and full performance data.
• Honest, regular feedback on your campaigns.

📌 Paid Media (Argentina)
🏢 Onomagic
📍 Argentina