Yelp is seeking the following positions for their San Francisco, CA office: *Software Engineer (#1670): Develop, implement, and test new features for Yelp's Search Ranking. Master's deg. *Software Engineer (#1671): Design, develop, and support software frameworks and tools for next generation analytics infrastructure and experimentation platform, leveraging database of content and site traffic to improve observability and experimentation. Bach's+1 yr exp. *Software Engineer (#1672): Design, develop and support machine learning models that use anomaly detection and supervised learning to protect Yelp clients from ad-fraud and protect Yelp's infrastructure and metrics from threats. Master's+2 yrs exp/Bach+5 yrs exp. *Software Engineer (#1673): Design, develop, implement and support new features tor Yelp's mobile iOS applications. Bach's+6 mos exp. *Engineering Manager (#1674): Oversee the design, development, and support of new features, algorithms, and APIs to the Yelp codebase. Master's+2 yrs exp/Bach+5 yrs exp. *Director, Engineering (#1675): Manage, coach and lead a team of managers, engineers and technical program managers to plan and execute complex technical projects. Master's+3 yrs exp/Bach+5 yrs exp. *Software Engineer (#1676): Develop, implement, and test new features for Yelp's mobile iOS application platform. Master's +1 yr exp. Please mail resumes to Yelp, ATTN: Global Mobility Recruiting, 350 Mission St, 10 Flr, San Francisco, CA 94105, referencing job title and job code. Yelp is an EOE.