Jobs

About Yahoo!
The Internet is a big, busy place, and we at Yahoo! are proud to stand out in the crowd. As the world’s number one Internet brand, servicing over a half billion people, we’re determined to maintain our commitment to delivering news, entertainment, information and fun… each and every day.

In order to maintain our position as one of the world’s most trafficked Internet destinations, we’re always on the lookout for people with big ideas and big talent to help us provide our visitors with the innovative products and services they’ve come to expect from Yahoo!. We’re looking for people like you.

How Big Can You Think?

• Yahoo! collects over 10 terabytes of clickstream behavioral data each day, the equivalent of all the information within the Library of Congress.
• Yahoo!’s user data warehouse is in the order of 'petabytes' -- the largest in the world.
• Yahoo! serves nearly half a billion unique users.
• Yahoo! is one of Fortune’s "100 Best Companies to Work For".
• Yahoo! is looking for key hires to leverage all of this data for actionable strategies and systems.

Data Mining Applications Engineer (Senior)

Job Responsibilities:
Build accurate and scalable recommendation models, deploy and test these models in production in our recommendation platform, and upgrade them as necessary to deliver reliable performance.

Specific challenges include analyzing and developing, in partnership with business units, reliable and scalable applications that integrate recommendation engine technologies into the DNA of the business units by providing end-users targeted content and/or advertisements

Essential Job Functions

• Assume ownership of recommendation engine modeling, delivery and maintenance
• Drive the model performance experimentation strategy and tune the models based on these tests.
• Develop extensible, scalable, reliable software for deployment.
• Interact with recommendation platform team to define interfaces and understand dependencies
• Write detailed technical documents of the models.
• Understand and affect the direction of recommendation engine modeling.

• Demonstrated expertise in Data Mining, Machine learning, information retrieval, model building, tuning, testing and interfaces, particularly in the area of recommendation systems.
• Good understanding of collaborative filtering, a-priori algorithm and time series modeling techniques.
• Experience working on systems used to provide customer relationship management or targeting functions
• Familiarity and experience in all phases of software development life cycle
• Structured thinker, effective communicator, team player with ability to work with dynamic teams
• Solid programming skills that includes significant experience with C++, PERL, and UNIX
• Proven understanding of algorithms, data structures, performance optimization techniques, and object-oriented programming
• Experience with database access methodologies
• Integration Standards (XML-centric) experience
• Experience with Database access methodologies
• Ability to work in dynamic environment with different teams at different times
• BS in computer science or related field for engineering positions

• MS/PhD in CS or related field
• Knowledge of/experience with Data mining and modeling methodologies/technologies
• Knowledge of/experience with XML Standards for Data Interchange
• Ability to translate technology to business problem solving
• Ability to articulate technology match to user experience
• Experience with technologies that help serve customers better - like CRM, SFA
• Services background

Contact:
If interested in this opportunity, please email your resume to

careersindata@yahoo-inc.com