Moloco · 5 hours ago
Senior Machine Learning Engineer (Mandarin speaking)
United States
Full-time
Remote
Senior Level
$198K/yr - $247K/yr
7+ years expMoloco is a leading company in AI advertising solutions, dedicated to democratizing access to advanced AI technologies. As a Senior Machine Learning Engineer on Moloco’s Ads Quality team, you will design and scale machine learning systems that enhance ad relevance and optimization, significantly impacting advertiser performance and user experience.
AdvertisingCloud InfrastructureMobileMobile Apps
Responsibilities
Design, build, and deploy large-scale ML systems for ad ranking, click-through prediction, and conversion optimization
Develop and operate production pipelines that process hundreds of millions of ad requests per day with low-latency requirements
Collaborate directly with customers and partners in Mandarin to understand business goals and deliver data-driven ML solutions
Apply systematic, reproducible approaches to model training, evaluation, and continuous improvement
Partner with the Machine Learning Infrastructure and Data teams to improve tooling, deployment pipelines, and training efficiency
Lead design and code reviews to promote technical excellence and standardize ML practices across Ads teams
Diagnose model performance, identify optimization opportunities, and execute experiments that drive measurable results
Mentor engineers on best practices for ML experimentation, productionization, and scaling
Work cross-functionally with product, infrastructure, and business teams to align technical innovations with product goals
Qualification
Required
7+ years of experience building and deploying ML systems at scale, ideally in AdTech, recommender systems, or search/ranking domains
Shipped models that directly improved key product or business metrics such as CTR, CVR, or ROI
Fluent in Mandarin Chinese and skilled at collaborating with customers or partners in technical discussions
Strong software engineering fundamentals: data structures, algorithms, and system design and proficiency in Python (C++ or Java a plus)
Experienced with modern ML frameworks such as PyTorch, TensorFlow, or JAX
Worked with distributed data and compute systems like Apache Beam, Dataflow, or Flume
Understand how to build robust ML pipelines including data versioning, feature engineering, retraining, and model monitoring in production
Experience optimizing inference performance on GPUs, TPUs, or similar hardware accelerators
Thrive in fast-moving, ambiguous environments and can translate complex technical work into measurable business outcomes
Value collaboration, accountability, and building systems that scale across teams and markets
Benefits
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
2025-11-11
Company data provided by crunchbase