Digital Performance Marketing Manager

About HYH America

HYH America Inc. is a U.S.-based subsidiary of hy Co., Ltd., a South Korean leader in fermented dairy, functional beverages, and health-focused nutrition with over 50 years of innovation. Building on hy's legacy of pioneering wellness solutions for millions of households, HYH America represents the company's strategic expansion into the United States market.

More than a product-driven business, HYH America is a purpose-led venture committed to shaping everyday lifestyles. Our mission is to inspire Healthier Habits and Happier Cultures, bringing together thoughtfully crafted wellness products, community, and cultural experiences to create a more balanced and joyful way of living. Through health innovation, authentic collaborations, and culturally relevant engagement, HYH America is redefining how wellness is experienced across America and beyond.

JOB OVERVIEW

We are seeking a Digital Performance Marketing Manager to drive sales growth in the U.S. market through integrated digital paid media and e-commerce retail media programs.

This role plans and directly manages campaigns across digital advertising channels such as Google, Meta, YouTube, and TikTok, as wel as e-commerce and retail media platforms including Amazon, Walmart, Target and Instacart. The manager connects advertising results to actual sales data to continuously improve traffic, conversion, revenue, and profitability.

This is a hands-on manager-level role that combines strategic ownership with direct platform execution. The manager continuously monitors budgets and ROI, identifies and implements optimization opportunities through data analysis and testing, and collaborates with Marketing, Brand, Sales, and external partners.

This is a fulltime, exempt position, fully on-site based at our Irvine, CA office.

ROLES AND RESPONSIBILITIES

Digital Performance Strategy and Planning

• Develop annual and quarterly performance marketing strategies, channel mix, campaign priorities, and budget plans aligned with business and sales objectives.
• Set customer acquisition, conversion, and repeat-purchase goals and key performance indicators based on the customer journey and growth opportunities by product and market.
• Forecast sales and advertising performance based on market trends and historical results, and translate those forecasts into actionable campaign plans.

Hands-on Paid Media Platform Management

• Directly manage campaign structure, audiences, keywords, bids, creative, and placement settings across Google Ads, Meta Ads (including Instagram), YouTube, and TikTok.
• Build and regularly optimize search, shopping, display, video, and social campaigns to support product and customer objectives.
• Review ad accounts and campaign settings, and complete pre-launch quality checks for flight dates, creative approvals, links, and conversion events.

E-Commerce and Retail Media Management

• Plan and directly manage marketplace and retail media campaigns across Amazon Ads, Walmart Connect, Instacart Ads, and similar platforms.
• Analyze advertising metrics alongside sales performance by marketplace to identify investment opportunities by product, category, and brand.

Advertising Budget and Profitability Management

• Continuously manage advertising budgets, pacing, projected spend, and actual costs by channel, marketplace, and campaign.
• Review ROAS, ROI, ACOS, TACoS, CAC, CPA, revenue, and profit contribution to adjust budget alocation and bidding strategies.
• Investigate underperformance and budget variances, then implement corrective actions and realocation plans.

Ad Tracking and Measurement

• Reconcile platform-reported results with website and marketplace sales data, and investigate data gaps or measurement errors.
• Apply measurement approaches suited to business objectives, including attribution, new-customer revenue, and incremental sales, to assess advertising contribution.

Campaign Optimization and Testing

• Design A/B tests and test-and-learn experiments for creative, messaging, audiences, keywords, bids, product pages, and landing pages.
• Define test hypotheses and success criteria in advance, analyze results, and identify repeatable ways to improve performance.
• Use customer response and campaign data to continualy improve conversion rates, media efficiency, and customer acquisition costs.

Performance Analysis and Reporting

• Monitor campaign performance, budget delivery and key KPIs daily, weekly, and monthly, and respond to significant changes.
• Maintain dashboards and recurring reports, clearly communicating performance trends, root-cause analyses, recommendations, and next steps.
• Connect advertising platform results to actual sales outcomes to support budget and business decisions by leadership and cross-functional teams.

Cross-Functional and Partner Collaboration

• As a member of the Marketing department, partner with brand and content coleagues and align campaign objectives and timelines with other teams
• Communicate campaign briefs and performance goals to agencies, platform representatives, and external partners, and manage execution quality.
• Share campaign issues, schedule changes, budget risks, and performance opportunities promptly, and lead efforts to resolve them.

QUALIFICATIONS

Qualification

• Bachelor's degree in Marketing, Advertising, Business, Communications, or a related field, or equivalent practical experience.
• 3–5+ years of hands-on experience in digital performance marketing, paid media, or e-commerce advertising.
• Demonstrated experience directly managing and optimizing paid advertising campaigns on Google Ads and Meta Ads, including campaign setup, targeting, bidding, budgeting, and performance analysis.
• Experience with at least one major e-commerce or retail media advertising platform, such as Amazon Ads, Walmart Connect, or Instacart Ads.
• Strong understanding of performance marketing metrics, including ROAS, ROI, CAC, CPA, conversion rates, and advertising spend efficiency.
• Experience managing advertising budgets, monitoring campaign performance, and implementing data-driven optimization strategies.
• Proficiency with Google Analytics 4 (GA4), Excel, and advertising platform reporting tools.
• Strong analytical, organizational, and problem-solving skills, with the ability to translate campaign data into actionable business recommendations.
• Ability to independently manage multiple campaigns and priorities while collaborating effectively with cross-functional teams and external partners.

Preferred Qualification

• Experience in the CPG, food and beverage, consumer products, or retail industry, particularly with U.S. consumer brands.
• Experience managing paid advertising across additional platforms, including YouTube, TikTok Ads, Walmart Connect, and Instacart Ads.
• Familiarity with Amazon Advertising, including Sponsored Products, Sponsored Brands, and Sponsored Display.
• Experience with conversion tracking, attribution models, A/B testing, and campaign performance measurement.
• Experience using reporting and visualization tools such as Looker Studio, Power BI, or Tableau.
• Knowledge of e-commerce sales funnels, consumer purchasing behavior, and digital customer acquisition strategies.
• Experience coordinating with creative teams, external agencies, and retail or marketplace partners.
• Google Ads, Meta Blueprint, Amazon Ads, or other relevant digital advertising certifications.

PHYSICAL DEMANDS & WORK ENVIRONMENT

• Must be able to remain in a stationary position and operate office equipment for a prolonged period of time.
• Must be able to work in a schedule that commensurate with business operation, including work during weekends, holidays and/or times outside of normal business hours.

Equal Opportunity Statement

HYH America is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.