Machine Learning Engineer II, Infrastructure (머신러닝 엔지니어 II - 인프라)

직무 소개

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 enables retailers and marketplaces 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, 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 Machine Learning Engineer focused on ML Infra, you will drive the development and optimization of scalable machine learning infrastructure, directly enhancing the performance and reliability of our Ads product line. Your work will empower teams to deliver high-quality, data-driven advertising solutions at scale. The Opportunity * Design, build, and maintain robust machine learning infrastructure to support large-scale ad serving and model training globally. * Develop and optimize data pipelines and workflows for efficient model deployment and monitoring. * Collaborate with cross-functional teams—including data scientists, product managers, and software engineers—to deliver end-to-end ML solutions. * Implement best practices for model versioning, reproducibility, and continuous integration/continuous deployment (CI/CD) in ML systems. * Build and operate high-performance ML systems using modern frameworks and languages such as JAX and Rust, optimized for execution on GPUs and TPUs. * Monitor, troubleshoot, and continuously improve the reliability, scalability, and performance of ML systems delivering millions of predictions per second worldwide * Evaluate and integrate new tools, frameworks, and technologies to enhance the ML platform’s capabilities. * Integrate AI-driven agents into the core engineering and modeling lifecycle to automate and amplify the team's impact. * Contribute to the design and execution of experiments to improve ad quality and system performance. * Document system architecture, processes, and best practices to ensure knowledge sharing and maintainability. How Do I Know if the Role is Right For Me? * 4+ years of experience in machine learning engineering, ML infrastructure, or a related field. * Demonstrate proficiency in programming languages such as Python, Java, C++, or Rust. * Have hands-on experience with ML frameworks and libraries (e.g., TensorFlow, PyTorch, Keras, Jax). * Work with cloud platforms (e.g., AWS, GCP, Azure) and containerization/orchestration tools (e.g., Docker, Kubernetes). * Build and maintain scalable data pipelines using tools such as Apache Beam, Apache Spark, Airflow, and similar platforms. * Thrive in ambiguous environments, proactively identifying and solving complex infrastructure challenges. * Collaborate effectively with cross-functional teams to deliver impactful solutions. * Apply strong problem-solving skills and a growth mindset to continuously improve systems and processes. 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 AI Use in Interviews Our interview process is designed to get to know the real you. Unless a round specifically includes AI as part of what's being assessed, we ask that candidates engage without AI assistance. Please review our AI Use in Interviews Policy before your interview to understand what to expect. Failure to comply with this policy may impact your candidacy. 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.