Growth Marketing Specialist (APAC) at iHerb

South Korea

Job Summary: We are looking for a Growth Marketing Specialist, APAC Performance Marketing to support the execution, optimization, and operational management of paid media campaigns across key Asia-Pacific markets. The Growth Marketing Specialist will help implement campaign strategies, monitor performance, coordinate creative and localization workflows, maintain reporting accuracy, and ensure campaigns are launched and optimized efficiently across APAC platforms. Job Expectations: Execute and support paid media campaigns across assigned APAC markets, including campaign setup, QA, launch, monitoring, pacing, optimization, and reporting. Manage day-to-day campaign operations across global and APAC-specific performance platforms, including Google Ads, Meta Ads, TikTok Ads, Apple Search Ads, LINE, Naver, Kakao, Yahoo Japan, Rakuten, and other relevant regional paid media platforms. Implement campaign structures, audience targeting, bidding strategies, budgets, creative rotations, tracking parameters, and platform settings based on approved growth plans. Monitor campaign performance daily and identify issues related to spend pacing, delivery, tracking, creative fatigue, audience performance, conversion rates, CAC, ROAS, and other core KPIs. Support optimization of paid media campaigns against goals such as new customer acquisition, revenue, ROAS, CAC, LTV, payback period, contribution margin, and conversion rate. Assist with budget pacing and reallocation recommendations across markets, platforms, campaigns, ad groups, audiences, and creative assets. Support structured testing roadmaps across creative, audiences, bids, landing pages, campaign structures, offers, localization, and platform features. Coordinate performance creative workflows, including briefing, asset trafficking, localization, naming conventions, version control, approvals, uploads, and post-launch performance tracking. Partner with creative, localization, and regional stakeholders to ensure ads are accurate, culturally relevant, platform-compliant, and aligned with performance testing needs. Analyze performance creative by format, hook, message, offer, language, market, audience, placement, and funnel stage. Maintain campaign documentation, testing trackers, launch calendars, QA checklists, naming conventions, UTM standards, and reporting processes. Support measurement initiatives including incrementality tests, geo tests, platform lift studies, holdout tests, attribution analysis, and cohort reporting. Prepare recurring performance reports, insights summaries, test readouts, and campaign performance updates for managers and cross-functional partners. QA tracking, attribution, pixels, conversion events, product feeds, landing URLs, UTMs, and campaign taxonomy to ensure reporting accuracy. Work with analytics, data science, and measurement partners to validate campaign data and troubleshoot reporting discrepancies. Support agency, platform partner, and vendor coordination, including campaign requests, asset delivery, performance follow-ups, billing inputs, and meeting preparation. Monitor APAC platform updates, regional media trends, auction dynamics, competitive shifts, and performance benchmarks. Identify opportunities to improve operational efficiency, campaign QA, reporting quality, creative testing processes, and execution speed. Knowledge, Skills and Abilities: Required: Hands-on experience executing or supporting paid media campaigns across platforms such as Google Ads, Meta Ads, TikTok Ads, Apple Search Ads, or similar performance channels. Experience with APAC-specific platforms such as LINE, Naver, Kakao, Yahoo Japan, Rakuten, Baidu, Xiaohongshu, or similar regional paid media platforms strongly preferred. Strong campaign operations skills, including campaign setup, trafficking, QA, budget pacing, naming conventions, tracking, and performance reporting. Possess a passion for campaign operations, performance analysis, creative testing, and process improvement Working knowledge of paid search, paid social, app acquisition, display, retargeting, shopping campaigns, catalog ads, and feed-based advertising. Ability to analyze campaign performance and identify practical optimization opportunities. Familiarity with key performance metrics including CAC, ROAS, LTV, conversion rate, CTR, CPC, CPM, CVR, payback period, retention, and contribution margin. Exposure to incrementality measurement, platform lift studies, holdout testing, geo testing, attribution analysis, or media mix measurement preferred. Experience supporting creative testing and translating performance results into clear creative learnings. Strong attention to detail and ability to manage multiple campaigns, markets, deadlines, and stakeholders at once. Comfortable working with spreadsheets, dashboards, reporting tools, and campaign management platforms. Professional fluency or native-level fluency in English required. Professional fluency or native-level fluency in at least one major APAC language strongly preferred, such as Japanese, Korean, Mandarin Chinese, Cantonese, Thai, Vietnamese, Bahasa Indonesia, Hindi, or another regionally relevant language. The ideal candidate is organized, analytical, detail-oriented, and comfortable working across multiple markets, channels, campaigns, and stakeholders. Equipment Knowledge: Experience with Microsoft Office Suite (Word, Excel, PowerPoint) Experience with Google Business Suite (Gmail, Drive, Docs, Sheets, Forms) preferred Experience with analytics and BI tools such as Looker, Tableau, Google Analytics, Amplitude, or similar platforms. Experience with ecommerce marketing operations platforms & tools. Experience Requirements: Generally requires 1-2 years of experience in performance marketing, growth marketing, paid media, digital marketing, or marketing operations. Education Requirements: Bachelor’s Degree in Business or related field preferred. #LI-ME1 Staffing Agency Submission Notice iHerb does not accept unsolicited 3rd party ("Agency") candidates. If you are an Agency, please send any requests to be considered as a supplier in our Vendor Management System to staffingvendors@iherb.com. Do not contact iHerb employees directly. If requested to work on a role, any Agency candidates would be presented through the internal recruiting organization. About iHerb iHerb is on a mission to make health and wellness accessible to all. We offer Earth’s best-curated selection of health and wellness products, at the best possible value, delivered with the most convenient experience. We’re the world’s largest eCommerce platform dedicated to vitamins, minerals, and supplements, and other health and wellness products. For more than 25 years, we’ve been making it simple for people all over the world to purchase the highest quality products. From supplements to skincare to grocery items, we ship over 50,000 products, from over 1,800 brands direct to our customers in 180+ countries. Our vision is to become the #1 destination for health and wellness across the world. With a passion for wellness and a mind for innovative solutions, iHerb team members share a vision for a healthier world that drives them each day. Our 5 Shared Values unite our global team: Focus on the Customer · Empower Our People · Be Entrepreneurial & Pivot Quickly · Embrace Diversity & Inclusion · Strive for Simplicity iHerb Benefits At iHerb, we are dedicated to offering programs designed to help our employees and their families stay healthy, live well, and plan for their financial future. Built on a strong foundation, our programs provide options and upgrades with flexibility, protection, and security in mind. For the comprehensive benefits list, visit www.iHerbBenefits.com. For our international team members, you may be eligible for benefits depending on the country where you are employed. The Talent Acquisition Partner/local HR representative will go over the benefits you are eligible for. iHerb is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. iHerb provides equal employment opportunities to all applicants for employment and prohibits discrimination and harassment.