Machine Learning Scientist 2

2 weeks ago

Chennai, India PayPal Full time

**At PayPal (NASDAQ**: PYPL), we believe that every person has the right to participate fully in the global economy. Our mission is to democratize financial services to ensure that everyone, regardless of background or economic standing, has access to affordable, convenient, and secure products and services to take control of their financial lives.

**Job Description Summary**: We are looking for a Machine Learning Scientist to join PayPal’s Global Data Science team in Chennai. Our team’s goal is to provide the best data science solutions to prevent fraud from entering our eco-system through onboarding and lifecycle management while optimizing the business outcomes and customer experience wrt consumer fraud. These solutions affect PayPal’s entire population of users and transactions, and directly contribute to PayPal’s financial performance.

Machine Learning Scientists are highly motivated team players who specialize in analyzing fraud patterns and creating and adapting advanced proprietary fraud prevention mechanisms.

The Machine Learning Scientists overcome challenges presented by big data, evolving fraud techniques and new payment technologies by leveraging area expertise, data science, advanced classification algorithms and story-based analytics. They follow those mechanisms’ development process from start to finish, and work closely with technologists and developers to bring their analytical insights to life.

**Requirements**:
2+ years of experience solid understanding of probability, statistics, machine learning, data science, A/B testing & analysis of ML models.

**End-to-end system design**: data analysis, feature engineering, technique selection & implementation, debugging, and maintenance in production.

Optimizing models for accuracy and performance.

Experience with Hadoop, Spark, or other distributed computing systems for large-scale training & prediction with ML models.

Hands on with SQL, to be able to pull data from various upstream sources and transform it.

Hands on with at least one scripting language like Python/R etc.

Quick-thinker, fast learner, wide general knowledge, problem solver

Team worker, responsible, delivery-oriented

Excellent spoken and written English

**Our Benefits**:
At PayPal, we’re committed to building an equitable and inclusive global economy. And we can’t do this without our most important asset—you. That’s why we offer benefits to help you thrive in every stage of life. We champion your financial, physical, and mental health by offering valuable benefits and resources to help you care for the whole you.

**Who We Are**:
As part of PayPal’s commitment to employees’ health and safety, we have established in-office Covid-19 protocols and requirements, based on expert guidance. Depending on location, this might include a Covid-19 vaccination requirement for any employee whose role requires them to work onsite. Employees may request reasonable accommodation based on a medical condition or religious belief that prevents them from being vaccinated.

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