Analytics at Ebay

Primary Job Responsibilities
This role is for a corporate level initiative that will leverage cutting edge technologies in analytics, data mining, advanced statistics, visualization, stream processing and many other multi-disciplinary technologies. This role offers a unique opportunity to innovate and work with data, technology, and people from all eBay companies (Market Places, PayPal, Skype, StubHub, Shopping.com, etc).

• Be the lead analyst to support a major new analytical initiative involving eBay subsidiaries – Marketplaces (eBay.com), PayPal and Skype
• Work with Product Management partners to understand fraud reduction use cases and evaluate benefits
• Reduce losses by analyzing and correlating fraud patterns across the three platforms and suggesting new models, techniques, and technology
• Accelerate favorable risk treatment for new and recent users by analyzing and correlating legitimate use across the three platforms
• Explore the use of traditional and advanced statistical techniques like logistic regression, Bayesian trees, decision trees, machine learning/neural networks, clustering, link analysis, graph theory and network theory to gain new insights on cross-company data, which in turn result in actionable ways to reduce fraud and risk without compromising business growth
• Applying risk/fraud models to predict and control risk associated with new accounts, and to combat credit card fraud, bank account fraud, identity theft fraud, spoof fraud etc.
• Preparing and extracting data from large databases.
• Analyzing data covering a wide range of information from user profile to transaction history. Identifying new fraud patterns through data mining.

Job Requirements

• Strong academic profile including an undergraduate or graduate degree in Statistics, Mathematics, Computer Science, Physics, Operations Research and Econometrics
• Experience in analyzing massive and highly complex data sets, performing ad-hoc analysis and data manipulation
• Familiarity with standard statistical analysis techniques and model development techniques
• Ideal candidate would have one or more of the following
• Applications of statistical techniques to real world problems
• Understanding of risk management techniques (e.g., logistic regression, score carding etc)
• Ability to package and present analysis to a senior audience; in particular, the ability to simply communicate complex ideas to diverse business and technology audiences
• Ability to work with large cross-functional teams
• Strong “business/common sense” for the potential of analyses to produce short-term and long-term business benefits
• Ability to deal with ambiguity in terms of requirements and timelines
• 3years of experience in data management and quantitative analyses
• Expert skills in SQL and SAS (on SQL Server, Oracle, or Teradata)
• Strong skills in Excel, Access, and PowerPoint
• Strong skills in major statistical packages (e.g., SAS, Matlab, SPSS)

Education
Bachelors Degree Required

Link

Executive Assistant at Yahoo

Location : Sunnyvale, CA
Description : 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?

About Business group or Product - HR Operations

Job Responsibilities
We are looking for a high-energy Executive Assistant to provide administrative support to the VP of Human Resources Operations. Provides light support to department staff. Responsibilities will include heavy calendaring; organizing meetings and conference calls; making travel arrangements; preparing expense reports; interfacing with senior executives and their assistants; handling confidential material; general office management duties.

Minimum Job Qualifications:
The ideal candidate performs well under high pressure situations and deadlines, possesses excellent judgment and reasoning skills, and has outstanding organizational skills. Experience in a senior administrative capacity. Candidate must be highly proficient in MS Word, Excel, and PowerPoint, and must have strong Internet skills.

Preferable Job Qualifications
4-year college degree is preferred, but not required

Yahoo! Inc. is an equal opportunity employer. For more information or to search all of our openings, please visit http://careers.yahoo.com.

Link :