Senior Business Development Support - Marketing Solution (1-year contract) at LINE MAN Wongnai

About LINE MAN Wongnai
LINE MAN Wongnai is Thailand’s Leading On-Demand Delivery and Lifestyle e-Commerce platform services. We build technology to help Thai people live better, to empower all local businesses by creating an end-to-end food ecosystem through our channel LINE MAN and Wongnai. Connected consumers, riders, and local businesses and improved the daily life of all parties with restaurants nationwide. And because we are local, we provide the deepest variety and services that are tailor-made for Thai people.

We are looking for a Senior Marketing Solution Support to own the end-to-end success of brand partners—from onboarding and campaign execution to monthly reporting and account growth. In this client-facing role, you will collaborate cross-functionally with Sales, Marketing, and internal BD teams to optimize brand media investments into measurable GMV growth.

What you’ll Do:

• Client Onboarding & Account Management: Lead onboarding for new brand partners, align on strategic objectives, and act as the primary day-to-day point of contact for operational needs.
• Campaign Operations & Execution: Coordinate SKU availability, finalize campaign creative assets, and manage media inventory placement with internal stakeholders and retail partners.
• Performance Reporting & Insights: Analyze full-funnel performance (media spend, coupons, GMV, and category trends). Deliver monthly deep-dive reports and present actionable insights to brand partners.
• Account Growth & Optimization: Partner with Sales and Marketing to identify upsell opportunities for high-performing brands. Design media test campaigns for emerging accounts to demonstrate ROI.

What you’ll Need:

• 2–4 years of experience in Key Account Management, E-commerce, Quick Commerce, Retail Media, or Performance Marketing.
• Strong client-facing and presentation skills, comfortable delivering data-backed recommendations to brand decision-makers.
• Analytical mindset with the ability to turn media and sales metrics (GMV, ROAS) into strategic insights.
• Highly organized with strong multi-stakeholder management skills and proficiency in Google Sheets/Excel and presentation slides.
• Fluent in Thai with professional English proficiency.

It’d be great if you have:

• Background in Quick Commerce, FMCG, or Modern Trade.
• Familiarity with retail media mechanics and experience optimizing reporting processes or SOPs.