SEA Performance Marketing Manager

Location: Bangkok, Thailand

Are you ready to drive growth across one of the most dynamic e-commerce regions in the world? As our SEA Performance Marketing Manager, you'll lead the strategic planning of retail media across Southeast Asia — powering sales performance through data-driven insights and precision marketing. You'll partner with Connected Commerce and Digital Marketing teams to turn strategy into impact, shaping the future of how our brands connect with consumers online.

What You'll Do:

As our SEA Performance Marketing Manager, your key responsibilities will include:

Retail Media Strategy Development

• Partner with the Connected Commerce Director to create retail media strategies for platform by market, aligned with business objectives.
• Analyze platform specific trends, algorithm updates and competitor strategies across SEA to inform strategic recommendations.
• Provide retail media framework relevant to local needs (e.g. BAU, events, occasions)
• Ensure strategies comply with platform guidelines and digital analytics best practices.

Resource allocation by platform

• Recommend budget distribution across countries, platforms, media type (biddable & non biddable), brand (format, SKU) based on historical performance data and projections.
• Review and adjust allocations on weekly basis, factoring in seasonality, shift in organization priorities and external factors (platform policies, economics, regulatory)
• Monitor via Digital Marketing Specialist to ensure budget spend is aligned to strategy.

Strategic Optimization Direction

• Provide high level guidance to Digital Marketing Specialist on optimization priorities.
• Recommend A/B test frameworks and incrementality analyses, partnering on execution where needed.
• Set key KPIs (Return on Ad Spend, ROI, Incremental GMV, Cost per Click etc.) to evaluate retail media effectiveness and agency performance.

Data & analytics

• Ensure data integrity & consistency across Southeast Asia.
• Create actionable, data-driven reports and dashboards, with the support of Global Retail Business Solution team.

What We're Looking For:

We're looking for someone who has:

• Relevant Experience – 4+ years of experience in performance or digital marketing, with strong exposure to retail media across SEA.
• Key Skills – Proficiency in analytics tools (Google Analytics, Data Studio, Tableau, Power BI) and solid understanding of e-commerce KPIs.
• Soft Skills – A strong collaborator and communicator who thrives in a fast-paced, multicultural environment.
• Qualifications – Bachelor's degree in Marketing, Business, Data Science, or related field; fluency in English required.

Why Work at Mars?

At Mars, we offer more than just a job – we offer a career with a purpose and great perks Here's what you can expect:

• A Global Network – Work with diverse and talented Associates, all guided by the Five Principles.
• Purpose-Driven Work – Join a purpose driven company, where we're striving to build the world we want tomorrow, today.
• Learning & Development – Best-in-class learning and development support from day one, including access to our in-house Mars University.
• Competitive Compensation – An industry competitive salary and benefits package, including company bonus.

Diversity & Inclusion at Mars

• Mars is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.
• If you need assistance or an accommodation during the application process because of a disability, it is available upon request.
• The company is pleased to provide such assistance, and no applicant will be penalized as a result of such a request.