Research Scientist-Big Data & Machine Learning
American Express | NCR,Delhi,India
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Short Description

American Express is hiring for Research Scientist-Big Data & Machine Learning who will deploy models in a production environment and regular maintenance of production variables like Lift, Support, Confidence and continuous bootstrapping of sample cases for revalidation of results.

Job Description

Key Responsibilities:
  • Regularly engage with business teams to understand their needs and imperatives and operationalize a framework for deploying Machine Learning models
  • Prototype and simulate use cases for Machine learning basis the GSN operating environment and ability to operationalize into workable algorithms & solutions.
  • Rigorous testing of algorithms as per business norms and delivering significant working leverage over the status quo and generate value for the business.
  • Deploy models in a production environment and regular maintenance of production variables like Lift, Support, Confidence and continuous bootstrapping of sample cases for revalidation of results. 
  • A capability of writing, debugging and compiling codes in multiple Machine Learning environment and not limited to Python/Pyspark, Apache Spark, R Spark etc.

Qualification Requirements:
At least 1-2 years of experience in the following areas.
  • A complete grip on Python environment and libraries (sci-kit, nltk, pandas and numpy). Working knowledge of R & Spark is a plus.
  • Proven experience in solving complex business problems using Machine Learning techniques like Regression, Classification, Supervised or Unsupervised Recommenders, Deep iterative learning, Neural Nets etc.
  • Deep knowledge of Statistics and Maths and ability to dissect problems from the first principle. Exposure to fields like Linear Algebra, Bayesian Statistics, Group theory is desirable.
  • Experience of working in a Distributed/Cluster computing environment is desirable.
  • Ability to work in cross-functional teams.
  • Excellent data presentation and visualization skills.
  • Hands-on knowledge of SQL/ Hive QL is desirable.

Research Scientist-Big Data & Machine Learning
Mid-Senior-level Technology | Information Technology | Information Full-time Information Technology | Engineering | Other Data Scientist | Research Scientist | Machine Learning Engineer | Big Data
American Express is a global service company, providing customers with exceptional access to products, insights and experiences that enrich lives and build business success.

Each day, American Express makes it easier, safer and more rewarding for consumers and businesses to purchase the things they need and for merchants to sell their goods and services. An engine of commerce, American Express provides innovative payment, travel and expense management solutions for individuals and businesses of all sizes. Most of all, we help our customers realize their dreams and aspirations through industry-leading benefits, access to unique experiences, business-building insights, and global customer care. We enable our customers to do and achieve more.