E-commerce Manager

Role Summary Owns end-to-end ecommerce performance across Shopee, Lazada, and TikTok Shop, driving sales growth through platform management, performance marketing, and campaign execution. Full ownership of channel P&L and marketing budget allocation. Key Responsibilities Manage day-to-day operations on Shopee, Lazada, and TikTok Shop (listings, promotions, campaigns, storefront optimization) Own and allocate marketing budget across platforms — plan spend, track ROAS/CPA, reallocate based on performance Work with external growth/performance marketing agency to execute campaigns, while retaining full ownership and accountability for shop performance, strategy direction, and final decision-making Drive sales targets through platform-native ads (Shopee Ads, Lazada Sponsored Discovery, TikTok Shop Ads) and platform campaigns (9.9, 11.11, 12.12, etc.) Coordinate with warehouse/fulfillment team on stock allocation, order processing SLAs, returns, and platform-specific fulfillment requirements Analyze sales, traffic, and conversion data; report performance and recommend actions Coordinate with content/creative team for listing assets, live streams, and TikTok content Manage customer service quality and platform metrics (response rate, ratings) Forecast demand and align with inventory/ops to avoid stockouts or overstock Requirements 3+ years managing brand/seller accounts on Shopee, Lazada, and/or TikTok Shop Hands-on experience running and optimizing paid campaigns on these platforms Proven ownership of a marketing budget with demonstrated ROI results Strong data analysis skills comfortable pulling and analyzing data manually from platform dashboards and Excel (pivot tables, formulas) Comfortable working independently and driving initiatives without heavy oversight Bonus: experience with Line OA / social commerce What Success Looks Like Hits monthly sales targets across assigned platforms Maintains or improves ROAS while scaling spends Runs campaigns end-to-end with minimal supervision Why Join Us? Opportunity to work with a leading pharmaceutical company in a high-growth sector. Incentive Group Insurance Social Security Career development and training opportunities. A collaborative and innovative work environment. Hybrid work environment (1-2 days work from home) About Standard Union Medical (SUM) Standard Union Medical is a healthcare company established through a joint venture with Union Medical (Thailand) and Standard Pharma Thailand, supported by the expertise and innovation of Standard Chem & Pharm Co., Ltd. (Taiwan) , a trusted leader in pharmaceuticals and nutritional science. We are committed to bringing science-backed health and wellness solutions to consumers through innovative, high-quality products. Our flagship brand, Prove+ , offers premium probiotic and wellness solutions developed with research-driven formulations to support everyday health and preventive care. As the brand is growing, we're looking for a passionate individual to grow with us as we shape the future of consumer healthcare. Contact: hr@vimanmeknoi.com