Senior Software Engineer

Senior Software Engineer, Data Infra - Moloco Ads Seattle, Washington, United States About Moloco: Moloco builds some of the most powerful AI advertising solutions in the world. Our nameshort 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, Molocos 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. 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 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 About the Role The Ads Data Infra team builds and scales the foundational data infrastructure that powers Molocos advertising platform. As a Senior Software Engineer, you will design, develop, and optimize distributed data systems for real-time and batch processing, ensuring reliable and low-latency delivery of data across the ads ecosystem. Youll work closely with Product, ML, and Data Science teams to enable feature engineering, identity resolution, and advanced user signal enrichment across online and offline pipelines. 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. Qualifications Bachelors or Masters degree in Computer Science, or equivalent technical field. 5+ years of software engineering experience with one or more modern languages (Java, Kotlin, Go, C++, C#, or Python). Proven experience designing and building large-scale distributed systems and backend services. Hands-on experience with data processing frameworks such as Apache Beam, Dataflow, or Spark, and orchestration tools like Airflow. Strong understanding of cloud infrastructure (GCP, AWS, or Azure) and data storage technologies (BigQuery, Bigtable, Redis, GCS, Kafka, Pub/Sub). Demonstrated experience delivering impactful projects through collaboration with cross-functional teams (Product, ML, Data Science). Preferred Qualifications Experience with Feature Infra / Feature Store architecture and operations. Experience in Identity Graph design and construction to enhance user signal quality. Deep familiarity with AdTech or Machine Learning infrastructure domains. Experience working with Petabyte-scale data and high-availability systems. 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: $184,000 - $230,000 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. 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. Lead with Humility: Everyones 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 whats 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: Were 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 wont let each other fail. Moloco is an equal opportunity employer. As we highly value diversity in our current and future employees, we 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 and veteran status, or any other characteristic protected by law. Interested in building your career at Moloco? Get future opportunities sent straight to your email. #J-18808-Ljbffr