Moloco · 6 hours ago
Software Engineer - Ads Applied Data
Seattle, WA
Full-time
Onsite
Mid, Senior Level
$140K/yr - $175K/yr
3+ years expMoloco is a leading AI advertising solutions company, and they are seeking a Senior Software Engineer to join their Ads Data Infra team. In this role, you will design, develop, and optimize distributed data systems to ensure reliable and low-latency delivery of data across the ads ecosystem.
AdvertisingCloud InfrastructureMobileMobile Apps
Responsibilities
Design and build large-scale distributed systems for data ingestion (Petabyte-scale), transformation, and serving
Partner with ML and Serving teams to support feature engineering workflows, connecting offline data to serving systems
Contribute to the evolution of Feature Infra / Feature Store, ensuring scalability, discoverability, and consistency of feature data
Collaborate on Identity Graph construction to unify user and device identifiers for more effective signal enrichment and targeting
Improve system observability, resilience, and performance in high-throughput, low-latency environments
Mentor engineers and help define best practices for data and backend engineering
Qualification
Required
Bachelor's or Master's degree in Computer Science, or equivalent technical field
3+ years of software engineering experience with one or more modern languages (Java, Kotlin, Go, C++, C#, or Python)
Experience designing, implementing, and maintaining backend services or data-intensive systems
Hands-on experience with data processing frameworks such as Apache Beam, Dataflow, or Spark, and orchestration tools like Airflow
Working knowledge of cloud infrastructure (GCP, AWS, or Azure) and data storage technologies (e.g., BigQuery, Bigtable, Redis, GCS, Kafka, Pub/Sub)
Demonstrated experience delivering impactful projects through collaboration with cross-functional teams (Product, ML, Data Science)
Preferred
Experience with AdTech systems or data pipelines (e.g., bidding, attribution, identity, measurement, or audience platforms)
Exposure to Feature Infrastructure or Feature Store concepts and workflows
Familiarity with Identity Graph–related systems or large-scale user data processing
Experience working with Petabyte-scale data and high-availability systems
Benefits
Competitive benefits package
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 ManagementShinhan GIB,Smilegate Investment
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
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