Frontend Engineer - Commerce Media

About Moloco:

Moloco builds some of the most powerful AI advertising solutions in the world. Our name—short for "machine learning company"—reflects our core mission: democratizing access to the advanced AI that has historically been reserved for tech giants. Led by machine learning pioneers who built some of the most successful ad systems at Google, including You Tube's monetization engine and key search advertising technologies, we're transforming how businesses grow and compete in the digital economy.

Built with AI from day one, Moloco’s planet‑scale machine learning platform powers a suite of solutions for advertising growth and monetization. Moloco Ads is an AI‑powered platform that delivers real business outcomes for mobile app marketers through performance‑based user acquisition. Moloco Commerce Media and Streaming Monetization solutions enable retailers, marketplaces, and streaming platforms to build revenue‑generating ad businesses that balance user experience and advertiser performance.

Moloco is headquartered in Silicon Valley, with offices in Seattle, New York, San Francisco, Seoul, Beijing, Singapore, Bangalore, Gurgaon, Tokyo, Shanghai, London, Tel Aviv, and Berlin.

Moloco is a truly rewarding place to work and in an exciting period of growth, which you could be a part of. Join us today and apply now!

We’re seeking a Staff Frontend Software Engineer to help design, develop, and scale the user‑facing side of Moloco Commerce Media (MCM), our state‑of‑the‑art retail media advertising platform.

As part of this team, you’ll play a pivotal role in building intuitive, high‑performance, enterprise‑ready interfaces that bring advanced ML‑powered advertising capabilities to retailers and brands. MCM has clear market fit, and we’re expanding rapidly.

You’ll lead feature development and system design, elevate frontend architecture, and mentor others while contributing directly to products that serve customers across the rapidly growing retail media industry.

• Lead the design and implementation of scalable, user‑friendly web applications that power efficient ad campaign operations and enable data‑driven decision‑making.
• Own frontend architecture, setting best practices for reliability, reusability, and long‑term maintainability.
• Partner closely with product, design, backend, and ML teams to deliver seamless end‑to‑end solutions.
• Build reusable UI component libraries and design systems that accelerate product development.
• Explore and prototype next‑generation features including advanced ad performance analytics and creative‑level reporting across millions of campaign items.
• Mentor and coach engineers, sharing expertise in modern frontend practices and leadership in cross‑functional initiatives.

• 8+ years of software engineering experience, with a deep focus on frontend development.
• Expertise in JavaScript/Type Script and modern frameworks (React strongly preferred).
• Strong understanding of web application architecture, performance optimization, and scalability.
• Experience with enterprise SaaS applications and customer‑facing platforms.
• Familiarity with large‑scale distributed systems and how the frontend integrates with backend services.
• Solid grounding in system design, data‑driven UI development, and testing practices.
• Experience building or contributing to design systems and UI component libraries.
• Interest and experience in advertising technology, retail/e‑commerce, or cloud‑based platforms.
• Excellent problem‑solving and troubleshooting skills, with a passion for delivering high‑quality solutions.
• Growth mindset and enthusiasm for mentoring, collaboration, and staying current with frontend technologies and industry trends.

In accordance with various state laws, the range provided is a reasonable estimate of the base compensation for this role. The actual amount may be higher or lower based on non‑discriminatory factors such as experience, knowledge, skills, and abilities. We also offer a competitive benefits package.

Base Pay Range: $210,000 —…