Python, Sql, Postgress DB, Library

Cognizant

2 - 5 years

Kochi, Pune

Posted: 18/06/2025

Job Description

Python:

4+ years of experience in Machine learning/Data Science, and Python. 4+ years of experience in NLP/GenAI/LLMs. Report to CES Innovation Lead and work under the supervision of the CES AI Science Lead.

• Work with ESG stakeholders to understand business problems and connect these problems with solvable data science solutions.

• Audit the different text data assets of the CES department and determine how to analyze these data assets for insights.

• Prepare high-quality training data with appropriate coverage of the ESG business domain.

• Apply and implement the latest natural language processing (NLP) research and approaches to solve business problems.

• Apply Large Language Models (both open source and managed versions) to build robust multiagentic retrieval augmented generation (RAG) pipelines.

• Stay current with the latest research advancements in the field and apply innovative solutions to complex language processing challenges.

Required Skills (Mandatory):

• At least four years work experience in machine learning, Generative AI (GenAI) with experience in at least two of the following deep learning frameworks: SciKit-Learn, TensorFlow, MLflow, PyTorch, etc.

• At least four years of experience in NLP and Large Language Models (LLMs) with a comprehensive understanding of the underlying theories and principles including expertise in areas such as tokenization, embedding techniques, sequence-to-sequence models, attention mechanisms, and transformer architectures.

• In-depth understanding of text analytics and NLP concepts such as lemmatization, word segmentation, part-of-speech, tagging, stemming, Named-Entity Recognition, word2Vec, Doc2Vec, etc.

• Proficient in Machine Translation and Optical Character Recognition (OCR) for complex document processing (PDF, Word Documents, Scanned Documents).

• Expertise in Python with strong object-oriented design and programming skills with familiarity with CI/CD concepts.

• Proficient with parallel processing APIs such as Apache Spark and PySpark.

• Excellent problem-solving and analytical skills

About Company

Cognizant is a global leader in technology and consulting services, helping businesses transform their operations through digital solutions. Specializing in IT services, including software development, business process outsourcing, and consulting, Cognizant supports clients across industries such as healthcare, financial services, manufacturing, and retail. With a focus on innovation, Cognizant assists organizations in modernizing their technology, improving operational efficiency, and enhancing customer experiences. Headquartered in the U.S., it is consistently ranked among the most admired companies in the world and is a member of the NASDAQ-100.

Services you might be interested in

One-Shot Campaign

Reach out to ideal employees in one shot!

The intelligent campaign for reaching out to the ideal audience to whom you can ask for help (guidance or referral).