Senior Software Engineer - Machine Learning Optimizely
San Francisco, CA

Job Description

Job Description

The Opportunity

At Optimizely, we have built the world's first Experimentation Platform that enables Testing and Personalization across all channels such as Web, Mobile, Server-side, and OTT through core components such as Analytics, Targeting, and Recommendations.

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Our teams have built sophisticated infrastructure that processes billions of events per day, enriches them via stream processing, aggregates and stores them efficiently, supports large scale performant queries, and serves targeting information and recommendations in real-time. Our engineers speak at conferences, write blog posts to share their work, and contribute back to open-source projects.

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We are looking for a talented engineer to help us build machine learning features and products to automate our customers' journeys through complex experimentation hypotheses and analyses. This is a unique opportunity to work on a small team and own a large part of Optimizely's machine learning strategy. Our core challenges are to build the right set of features that enable 1:1 personalization and automated optimization for our customers.

Your Role

* You will work on machine learning features and products such as Recommendations, Audience Discovery, User Scoring and Prediction, and Automated Optimization


* You will build Prediction Services that rely on offline and online data integration, appropriate feature selection, and model training


* You will build systems and services using batch and stream processing spanning technologies such as Hadoop, Samza, and Spark in languages such as Java and Scala


* You will understand the scalability and performance tradeoffs among various ML techniques and appropriately build ML systems as we move from prototype to production


* You will coordinate and work with other application product teams to implement Machine Learning features end to end throughout our platform