Showing posts with label paypal. Show all posts
Showing posts with label paypal. Show all posts

Sunday, September 16, 2007

Corporate Analytics & Modeling 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
  • Reduce losses by analyzing and correlating fraud patterns across all companies and suggesting new technologies, techniques and models
  • Accelerate favorable risk treatment for new and recent users by analyzing and correlating legitimate use across all companies
  • Explore the use of statistical techniques like 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
  • Analysis will generally be project based and will often be complex in nature, whereby large volumes of data are extracted and synthesized into complex models and actionable recommendations. Analyses may involve segmentation, profiling, data mining, clustering and predictive modeling.

Job Requirements
  • Advanced degree (M.S. or Ph.D.) in a quantitative field such as Mathematics, Computer Science, Statistics, 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:
  • Exposure to graph theory, network theory and link analysis and its use in business scenarios e.g. social network analysis
  • Heuristics and algorithms for categorizing and clustering rich data sets


  • 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
  • Ability to create analysis frameworks and structured thinking an absolute must

Education
Masters Degree or Equivalent

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Distinguished Infrastructure Architect at Ebay

Primary Job Responsibilities
Working in the PayPal Operations organization, this individual is required to demonstrate Technical Architectural Leadership, playing a vital role in eBay/PayPal infrastructure running in 24x7x52 environment. The candidate must be able to think independently and analyze, troubleshoot and resolve complex business and technical problems without direction, internationally, on all aspects of information systems. Provide direct support to PayPal Technology Executive Management on vision, strategy, due diligence, audits and governance.

Responsibilities include the following:
  • Define and evolve PayPal Technology into a world class, cost-effective enterprise operation.
  • Partnering with cross-functional organizations, develop strategic infrastructure architecture and technology roadmap that meet senior management vision and strategy.
  • Design and develop infrastructure standards, procedures, guidelines, policies and lifecycle that meet PayPal’s scalability, performance, security, and availability requirements.
  • Design and interpret system metrics and scorecard to measure effectiveness of technology tools.
  • Perform and direct risk assessments, audits, systems reviews, and define risk mitigation. Analyze system incidents, assess risk and lead the incident response team (to root cause and documented controls to prevent future incidents).
  • Develop and present executive documents on technology subjects and strategies.
  • Manage, design, or provide consulting support to technology projects. Interact with internal and external technical leaders to develop innovative solutions that meet market needs with respect to availability, functionality, performance, scalability, security, and reliability.
  • Partner with Corporate and Global Security, Trust and Safety, and other eBay entities for corporate architecture solutions.
  • Translate technical concepts into cost and risks to the business, and adjust technology strategy and tactical efforts to meet PayPal’s corporate objectives.
  • Define business needs and direct technology solutions for new systems and applications.
  • Participate on Business Continuance projects.
  • Lead new technology integration via requirements analysis, proof of concept, design, and implementation. Make recommendations and implementations for new tools and technologies.
  • Make recommendations for improving the complete system development life cycle and direct the actual implementation of those recommendations.
  • Quickly learn and teach others new technologies.
Job Requirements
  • Current knowledge and experience of industry trends and technology advancements.
  • Experience implementing large scale, high availability, fault tolerant web infrastructure in a dynamic environment.
  • Very strong leadership and ability to command respect at all levels of the organization.
  • Ability to clearly articulate business and technical issues with senior management, peers, and outside parties (e.g. vendors, partners).
  • Experienced in developing and presenting strategic technology solutions that drive the business.
  • Ability to demonstrate expertise and leadership in problem solving expertise.
  • Solid understanding of software data flow, and how it applies to the physical layer.
  • Ability to quickly learn existing complex systems infrastructure.
  • Demonstrable analytical and problem solving skills, particularly as it relates to systems design.
  • Facilitation and team-building skills at all levels. Ability to influence, train, mentor and leverage the skills of others, including business partners and technical team.
  • Excellent communication and relationship skills.
  • Ability to thrive in a high-pressured environment. Ability to multi-task multiple projects at once and drive to results independently.

Education
Bachelors Degree or Equivalent

Link