Careers

Veterans Preferred - Sr. Data Scientist

  • Visa
  • Arlington, VA, USA
  • Nov 09, 2020
[Information Technology]

Job Description

Military Veterans are Encouraged to Apply. Company DescriptionAs the world's leader in digital payments technology, Visa's mission is to connect the world through the most creative, reliable and secure payment network - enabling individuals, businesses, and economies to thrive. Our advanced global processing network, VisaNet, provides secure and reliable payments around the world, and is capable of handling more than 65,000 transaction messages a second. The company's dedication to innovation drives the rapid growth of connected commerce on any device, and fuels the dream of a cashless future for everyone, everywhere. As the world moves from analog to digital, Visa is applying our brand, products, people, network and scale to reshape the future of commerce. At Visa, your individuality fits right in. Working here gives you an opportunity to impact the world, invest in your career growth, and be part of an inclusive and diverse workplace. We are a global team of disruptors, trailblazers, innovators and risk-takers who are helping drive economic growth in even the most remote parts of the world, creatively moving the industry forward, and doing meaningful work that brings financial literacy and digital commerce to millions of unbanked and underserved consumers.You're an Individual. We're the team for you. Together, let's transform the way the world pays.Job DescriptionTo ensure that Visa's payment technology is truly available to everyone, everywhere requires the success of our key bank or merchant partners and internal business units. The Global Data Science group supports these partners by using our extraordinarily rich data set that spans more than 3 billion cards globally and captures more than 100 billion transactions in a single year. Our focus lies on building creative solutions that have an immediate impact on the business of our highly analytical partners. We work in complementary teams comprising members from Data Science and various groups at Visa. To support our rapidly growing group we are looking for Data Scientists who are equally passionate about the opportunity to use Visa's rich data to tackle meaningful business problems. You will join one of the Data Science focus areas (e.g., banks, merchants & retailers, digital products, marketing) with an opportunity for rotation within Data Science to gain broad exposure to Visa's business.Visa has the world's largest consumer payment transaction data set. We see data on over 100 billion transactions per year from all over the world.Visa Predictive Models(VPM) team develops and maintains predictive machine learning models to primarily support Visa Global Data Products, Security and Identity Products, and Cardinal Commerce. Using mostly VisaNet data and leveraging Machine Learning (ML) and Artificial Intelligence (AI), our model scores help Visa clients all over the world for fraud defense, identity verification, smart marketing, credit underwriting and etc. Through our models and services, VPM fuels the growth of Visa clients, generates and diversifies revenues for VISA, greatly improving Visa Card customer experience and their financial lives.Essential Functions:Build and validate predictive models with advanced machine learning techniques and tools such as deep neural networks to drive business value; interpret and present modeling and analytical results to non-technical audienceWrite and test complex predictive model software packages for production deployment; support model installations, and monitor and calibrate production modelsDefine financial and analytic metrics to measure development and production outcomes and produce visualization and reports to internal business customersPropel analytical product development via conducting statistical analyses on various data sources; add values to product development by being innovative and applying the analysis resultsConduct transaction data analyses with Hadoop/Spark and big data tools for internal and external product owners, and develop deeper insights into the products using advanced statistical and machine learning methodsSecondary Responsibilities:Support sales and marketing efforts with sound statistical and financial analysis; execute ad-hoc analyses to meet the fast-changing market demandsDevelop business requirements and appropriate statistical analysis/prototypes to meet critical business needsDerive and develop new attributes/features for modeling to grow analytic productsWork on cross functional teams and collaborate with internal and external stakeholdersPromotebig datainnovations and analytic education throughout the Visa organizationQualificationsBasic Qualifications:4 years of work experience with a Bachelor's Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD degreePreferred Qualifications:7-10 years of work experience and a Bachelor's Degree or 6 years of work experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or 3 years of experience with a PhD.1 years of experience with Big Data tools (e.g. Hive, Impala, Spark)Experience with production model development, implementation and monitoringExperience in deep artificial neural network (e.g. RNN, CNN), natural language processing or graph database analyticsExperience with data visualization and business intelligence tools like TableauExperience in an Agile development environmentProven ability to quickly learn and apply new techniquesMust be a team-player and capable of handling multi-tasks in a dynamic environmentExcellent business writing, verbal communication, and presentation skillsExcellent project management skillsTechnical QualificationsProficiency in Python programming languageProficiency in Python data analysis, modelbuilding and visualization librariesProficiency with SQL (e.g. Hive, Impala)Experience with Spark and MLlib is a plusExperience with script and shell programming is a plusExperience with SAS is a plus but not requiredAdditional InformationWork Hours:This position requires the incumbent to be available during core business hoursTravel Requirements:This position requires the incumbent to travel for work less than 5% of the timeMental/Physical Requirements:This position will be performed in an office setting. The position will require the incumbent to sit and stand at a desk, communicate in person and by telephone, frequently operate standard office equipment, such as telephones and computers, reach with hands and arms, and bend or lift up to 25 pounds.Visa will consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.
Associated topics: artificial intelligence, c c++, electronic, electronic engineering, machine learning, photonics, processor, programmer, robotics, schematic