Data Scientist Job in Kolkata at Cognizant

Cognizant is hiring for the role of Data Scientist!

Responsibilities of the candidate:

• Be a hands on problem solver with consultative approach, who can apply
• Machine Learning & Deep Learning algorithms to solve business challenges
• Use the knowledge of wide variety of AI/ML techniques and algorithms to find
• what combinations of these techniques can best solve the problem
• Improve Model accuracy to deliver greater business impact
• Estimate business impact due to deployment of model
• Work with the domain/customer teams to understand business context , data dictionaries and apply relevant Deep Learning solution for the given business challenge
• Working with tools and scripts for sufficiently pre-processing the data & feature engineering for model development – Python / R / SQL / Cloud data pipelines
• Design , develop & deploy Deep learning models using Tensorflow / Pytorch
• Experience in using Deep learning models with text, speech, image and video data
• Design & Develop NLP models for Text Classification, Custom Entity
• Recognition, Relationship extraction, Text Summarization, Topic Modeling,
• Reasoning over Knowledge Graphs, Semantic Search using NLP tools like
• Spacy and opensource Tensorflow, Pytorch, etc
• Design and develop Image recognition & video analysis models using Deep
• learning algorithms and open source tools like OpenCV
• Knowledge of State of the art Deep learning algorithms
• Optimize and tune Deep Learnings model for best possible accuracy
  Use visualization tools/modules to be able to explore and analyze outcomes &
• for Model validation eg: using Power BI / Tableau
  Work with application teams, in deploying models on cloud as a service or on-prem
• Deployment of models in Test / Control framework for tracking
• Build CI/CD pipelines for ML model deployment
• Integrating AI&ML models with other applications using REST APIs and other connector technologies
• Constantly upskill and update with the latest techniques and best practices.
• Write white papers and create demonstrable assets to summarize the AIML work and its impact.
• Technology/Subject Matter Expertise
• Sufficient expertise in machine learning, mathematical and statistical sciences

Requirements:

• Keen contributor to open source communities, and communities like Kaggle
• Ability to process Huge amount of Data using Pyspark/Hadoop
• Development & Application of Reinforcement Learning
• Knowledge of Optimization/Genetic Algorithms
• Operationalizing Deep learning model for a customer and understanding
• nuances of scaling such models in real scenarios
• Optimize and tune deep learning model for best possible accuracy
• Understanding of stream data processing, RPA, edge computing, AR/VR etc