Staff Machine Learning Engineer, Moloco Ads

New Staff Machine Learning Engineer, Moloco Ads Menlo Park, California, United States Apply 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 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! The Impact You’ll Be Contributing to Moloco As a Staff Machine Learning Engineer focused on Ads Quality at Moloco, you will drive the development and optimization of advanced machine learning models that power our ad-serving platform, directly influencing the effectiveness and efficiency of our advertising solutions. The Opportunity Design, implement, and optimize large-scale machine learning models to improve ad relevance, user engagement, and campaign performance. Collaborate closely with product managers, data scientists, and engineers to translate business objectives into robust ML solutions. Analyze massive datasets to identify patterns, diagnose issues, and uncover opportunities for model and system improvements. Lead the end-to-end lifecycle of ML projects, from ideation and prototyping to deployment and monitoring in production environments. Develop and maintain scalable, reliable, and efficient ML pipelines and infrastructure. Conduct rigorous offline and online experiments (A/B testing) to validate model performance and impact. Mentor and provide technical guidance to junior engineers and cross-functional team members. Stay current with the latest research and industry trends in machine learning, applying new techniques to enhance Moloco’s ad quality. Communicate complex technical concepts and results to both technical and non-technical stakeholders. How Do I Know if the Role is Right For Me? 7+ years of experience in machine learning, data science, or a related field, with a proven track record of delivering impactful ML solutions in production. Demonstrate deep expertise in Python, TensorFlow, Jax, or PyTorch and proficiency with large-scale data processing tools such as Spark or Hadoop. Exhibit strong problem-solving skills and comfort working in ambiguous, fast-paced environments where requirements may evolve. Show experience designing, building, and deploying ML models for ad quality, recommendation systems, or similar domains. Possess a solid understanding of statistical analysis, experimentation, and A/B testing methodologies. Collaborate effectively with cross-functional teams, including product, engineering, and business stakeholders. Communicate clearly and concisely, adapting messaging for both technical and non-technical audiences. Demonstrate a passion for continuous learning and applying cutting-edge research to real-world problems. Lead and mentor others, fostering a culture of technical excellence and knowledge sharing (if people management is part of your background or interests). Our Compensation And Benefits (for United States Residents Only) 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: $230,000 - $300,000 USD Moloco Thrive: Benefits and Well-Being:  We take care of you and create the conditions for you to do the best work of your career. Through a lens of inclusion, we offer innovative benefits that empower our employees to take care of themselves and their families so they can do the best work of their lives. Moloco Values:  Lead with Humility: Everyone’s voice is respected, valued, and heard. With humility, we become more open and accessible to each other. We win, lose, and learn together. Accountability and feedback are essential to our success.  Uncapped Growth Mindset: We see all situations as opportunities to learn, grow, and improve as individuals and as an organization. We seek diverse perspectives, encourage curiosity, and promote experimentation to push the boundaries of what’s possible.  Create Real Value: We pursue the most impactful opportunities with rigor and integrity. We take intelligent risks and make disciplined trade-offs to maintain deep focus. We help our customers win by delivering durable value.  Go Further Together: We’re one team working towards one mission and vision. We collaborate proactively and inclusively, involving the right people at the right time and in the right way. We strive to create a more equitable workplace. We won’t let each other fail.  Additional Resources:  Moloco Company Blog   Moloco Leadership Moloco Newsroom   Equal Opportunity:  Creating a diverse workforce and a culture of inclusion and belonging is core to our existence. To reach our goals, diversity of talent and thought is a critical component of how we operate as an organization. Our workforce is our superpower, and we know that fostering a culture of inclusion, authenticity, and belonging gives us the greatest opportunity to achieve our vision to become the scaling engine for the Internet economy. Moloco is an equal opportunity employer. We highly value diversity in our current and future employees and do not discriminate (including in our hiring and promotion practices) on the basis of race, color, creed, religion, national origin, age, sex and gender, gender expression and identity, sexual orientation, marital status, ancestry, physical or mental disability, military or veteran status, or any other characteristic protected by law. Candidate Privacy Notice: Your privacy matters to us. By applying, you acknowledge that you’ve reviewed our Candidate Privacy Notice . Create a Job Alert Interested in building your career at Moloco? Get future opportunities sent straight to your email. 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