Manage and grow SMB programmatic advertising accounts, overseeing campaign trafficking, activation, optimization, troubleshooting, reporting, and client communication within MediaGo DSP. Monitor bids, targeting, creatives, pacing, and KPIs while collaborating with Sales, Product, Algorithm, and Analytics teams. Conduct market research, support account growth, and maintain strong client relationships. Professional Mandarin proficiency and at least two years of B2B advertising sales or account management experience are required.