Moloco · 12 hours ago
Staff Machine Learning Engineer, Moloco Ads
Menlo Park, California, United States
Full-time
Onsite
Senior Level, Lead/Staff
$230K/yr - $300K/yr
7+ years expMoloco is a leading company in AI advertising solutions, dedicated to democratizing access to advanced machine learning technologies. The Staff Machine Learning Engineer will focus on developing and optimizing machine learning models to enhance ad relevance and campaign performance, collaborating with cross-functional teams to translate business objectives into effective ML solutions.
AdvertisingCloud InfrastructureMobileMobile Apps
Responsibilities
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
Qualification
Required
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)
Benefits
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. 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.
Company
Moloco
Moloco offers programmatic advertising solutions to help optimize the client's acquisition, retention, and monetization campaigns.
501-1000 employees
H1B Sponsorship
Moloco has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (50)
2024 (38)
2023 (29)
2022 (11)
2021 (4)
2020 (13)
Funding
Current Stage
Late StageTotal Funding
$215.75MKey Investors
Premier PartnersTiger Global ManagementLG Technology Ventures
2023-06-29Series D· $24.18M
2023-06-29Secondary Market
2021-08-17Series C· $150M
Leadership Team
Ikkjin Ahn
Co-founder and CEO
David Sehyuk Park
Co-founder/CIO
Recent News
Bizjournals.com Feed (2025-11-12 15:43:17)
2026-01-22
2025-11-11
Company data provided by crunchbase