Senior Full-Stack Software Engineer - Agentic Software - Moloco 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 YouTube'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 enables retailers and marketplaces 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, 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! The Impact You’ll Be Contributing to Moloco : We're seeking a software engineer to help us design, develop and maintain the backend of our state of the art Moloco Commerce Media (MCM) product You will be responsible for developing an ML-based online advertising platform for the rapidly growing retail media industry You will play a pivotal role building and developing our enterprise-ready solution. We’ve determined clear market fit and are now seeking senior and staff engineers to refine the MCM product You will lead feature development, design, optimization, testing, and maintenance of software applications and solutions for internal and external end users You will mentor others on the team and have the opportunity to lead high-impact projects The Opportunity : Design and ship agentic software that helps advertisers manage campaigns through natural language interfaces and intelligent automation Build customer-facing applications that combine LLM capabilities with robust backend systems—from conversational campaign creation to AI-assisted performance insights Own the full stack: React/TypeScript frontends, Go/Python/Java services, and the infrastructure that connects them Collaborate closely with PM, data science, and partner teams to shape product direction and turn ambiguous goals into shipped features Operate what you build: dashboards, alerts, runbooks, and a sustainable on-call rotation Mentor engineers through code reviews, pairing, and design discussions Prototype and explore what's next—advanced analytics, creative-level reporting, and AI capabilities we haven't imagined yet How Do I Know if the Role is Right For Me? 5+ years of software engineering experience Full-stack development experience—you're comfortable across the frontend, backend, and the glue in between Hands-on experience building LLM-based applications (agents, tool use, prompt engineering, or similar) System design and development skills; from gathering requirements to design to implementation to production Experience in Cloud/Big Data platforms (e.g., AWS, GCE, GCP, Beam, Spark, BigTable, BigQuery etc.) Programming fundamentals, testing, and common algorithms and structures Track record of shipping customer-facing products Growth mindset—you stay current on emerging technologies and enjoy sharing knowledge with others Excellent communication and collaboration skills Compensation & Benefits U.S.-based employees have access to medical, dental, and vision insurance, a 401(k) plan with company match, short-term and long-term disability coverage, basic life insurance, and well-being benefits and perks. U.S.-based employees also receive up to 12 scheduled paid holidays per calendar year and one Thrive Day off per quart