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 quarter. Additionally, all employees have Flexible Time Off (FTO). The successful candidate may be eligible for a bonus and equity awards. Eligibility and amounts are determined by performance and the terms of the applicable plans. The location for this role is listed above. For base pay range purposes, location-based compensation is grouped into the following regions. Your region is determined by your assigned work location. - Region A: Menlo Park Office, New York Office, SF Bay Area, New York Metro Area
**Region B:**Seattle Office, Seattle, Los Angeles/Orange County, San Diego, Austin, Boston, Washington DC Metro Area, Miami
