Senior Software Engineer - Moloco Commerce Media - Retrieval and Recommendation Systems

About Moloco: 

Moloco is a machine learning company empowering organizations of all sizes to grow and unlock the full value of their unique first-party data, elevating the traditional path to performance advertising. While the largest technology companies have proven the speed and scale of ad-targeting utilizing data— the same robust performance powered by machine learning has previously been unavailable beyond their platforms. 

That's where Moloco steps in. With Moloco's powerful combination of cutting-edge machine learning technologies, we play a unique and visible role in shaping the digital economy, all while allowing companies to stay independent and scale.

An industry leader at the nexus of machine learning, performance marketing, and visionary product infrastructure, Moloco is advancing the advertising technology industry. We ranked in the top 10% of the Inc. 5000 fastest-growing private companies for 2023. Recognized as one of 46 leading Cloud Computing companies, receiving the Stratus Award for 2023. In 2023, we received Google’s Cloud DevOps Dreamers Award, a recognition given to companies that are implementing DevOps practices to drive organizational success and high performance. Lastly, Moloco is a 2024-certified Great Place to Work! Check us out on Glassdoor and be sure to get an inside look at working at Moloco on Instagram, Twitter, and YouTube.

Moloco is headquartered in Silicon Valley, with offices in San Francisco, New York, Los Angeles, Seattle, London, Berlin, Seoul, Singapore, Beijing, Gurgaon, and Tokyo. 

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 will allow us the greatest opportunity to carry out our mission -- to empower businesses of all sizes to grow through operational machine learning.

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: 

• Lead the design, development, and optimization of scalable and high-performance information retrieval and recommendation systems that power Moloco Commerce Media (MCM) products. 
• Architect robust and reliable distributed systems that handle millions of requests per second for ad serving, ranking, and recommendations.
• Ensure the scalability, performance, and availability of Moloco's retrieval and recommendation engines, identifying bottlenecks and implementing improvements.

The Opportunity: 

• Drive innovation in MCM's retrieval and recommendation platforms, setting the technical vision and roadmap.
• Design and implement cutting-edge retrieval techniques like inverted indexes, vector databases, and approximate nearest neighbor search.
• Develop efficient data ingestion pipelines and indexing/serving layers for large-scale datasets.
• Collaborate with machine learning engineers and data scientists to integrate retrieval systems into ranking and recommendation workflows.
• Optimize cloud infrastructure and leverage technologies like Docker, Kubernetes, and cloud data platforms (AWS, GCP) for deployment and scaling.
• Mentor and provide technical leadership to a team of engineers, promoting best practices and Moloco's engineering standards.

How Do I Know if the Role is Right For Me? 

• 6+ years of experience building scalable and performant distributed systems, with a focus on information retrieval technologies.
• Strong background in system design, from requirements gathering to production implementation and monitoring.
• Expertise in modern programming languages (e.g., Java, C#, Go, C++) and cloud/big data platforms (AWS, GCP, Beam, Spark).
• Experience with large-scale data processing pipelines, database schema design, and integration testing.
• Proven ability to lead and mentor engineering teams, fostering an environment of continuous learning and growth.
• Outstanding problem-solving skills and a passion for delivering high-quality, in