Havas Media Belgium is looking for a Senior Social Media Trader to strengthen our Social Media team.
You will lead the day-to-day activation of paid social campaigns and turn performance data into clear recommendations for clients and internal teams. As Senior Social Media Trader, you ensure trading excellence across your client portfolio: flawless execution, rigorous pacing and optimization, and transparent performance storytelling.
You bring a test-and-learn mindset, share learnings proactively, and help teams translate platform changes into tangible growth opportunities.
Own end-to-end paid social execution: setup, trafficking, QA, and go-live across platforms.
Translate objectives into targeting, measurement, and creative/ad format recommendations (prospecting, retargeting, lead gen, e-commerce, awareness).
Optimize continuously using platform signals and Excel/BI analysis (audiences, placements, creatives, bidding, frequency, conversion paths).
Deliver crisp reporting and performance reviews (monthly/quarterly) for clients and internal stakeholders, including the Trading Manager.
Run benchmarks and contribute to a test-and-learn roadmap (new formats, platform features, measurement improvements).
5+ years of hands-on experience in paid social trading and performance optimization (agency or in-house).
~ Strong knowledge of the social advertising ecosystem (e.g., Highly analytical: strong Excel skills (pivoting, formulas) and ability to interpret data; Master’s degree in Marketing/Communication or a quantitative discipline.
eager to test new formats and platform features.
As a Senior Social Media Trader, we offer you a diversified and challenging role in an international environment, plus:
Development opportunities for further training and career growth (local trainings, special projects, and unique global development programs).
We value the diversity of our colleagues, our clients and the third parties with whom we work.