Senior Data Scientist

2 weeks ago

Lucknow, India USEFULBI CORPORATION Full time

About UsefulBI :UsefulBI is a leading AI-driven data solutions provider specializing in data engineering, cloud transformations, and AI-powered analytics for Fortune 500 companies. We help businesses turn complex data into actionable insights through our innovative products and services.Role Overview :We are seeking a Senior Data Scientist / Gen AI Developer who is passionate about transforming raw data into intelligent business insights and building AI models that solve real-world problems. In this role, youll work across the entire data science lifecyclefrom exploratory analysis and statistical modeling to deploying advanced LLM-based and Generative AI solutions.You will be at the forefront of building AI-powered products across domains like healthcare, life sciences, finance, and enterprise analytics, with a focus on real-world impact and scalable architecture.Key Responsibilities :- Develop and deploy applications using Large Language Models (LLMs) like GPT-4, Claude, LLaMA, and Gemini.- Build GenAI-powered tools such as AI report generators, contextual chatbots, summarization engines, and semantic search applications.- Design, optimize, and evaluate prompts tailored for various use cases and user personas.- Implement and enhance Retrieval-Augmented Generation (RAG) workflows for improved relevance and accuracy.- Fine-tune and customize foundation models using techniques like LoRA, PEFT, and prompt-tuning.- Evaluate and monitor model performance on accuracy, latency, and business-specific KPIs.- Apply NLP techniques such as entity recognition, topic modeling, summarization, sentiment analysis, and question answering.- Work with libraries and frameworks such as Hugging Face Transformers, Lang Chain, spaCy, and NLTK.- Deploy GenAI applications using cloud platforms like AWS Bedrock/SageMaker, GCP Vertex AI, or Azure OpenAI.- Build scalable and secure inference pipelines integrated with backend systems and APIs.- Use tools like MLflow and Docker for model lifecycle management and MLOps best practices.- Collaborate with cross-functional teams including product managers, data engineers, and designers to align AI outputs with business needs.- Continuously experiment with new GenAI models, tools, and research to keep the solutions cutting-edge.Required Skills and Qualifications :- 7+ years of experience as a Data Scientist with good experience in Generative AI or LLM-based applications.- Strong expertise in Python and libraries like Pandas, NumPy, Scikit-learn, TensorFlow, PyTorch.- Experience in end-to-end ML lifecycle including model development, validation, and deployment.- Solid understanding of statistics, probability, and data modeling.- Experience with NLP libraries (NLTK, spaCy, Hugging Face Transformers).- Hands-on experience with GenAI tools: OpenAI APIs, LangChain, RAG, LLM fine-tuning.- Experience with SQL and at least one NoSQL database.- Familiarity with cloud platforms (AWS, GCP, Azure) and version control (Git).- Strong communication skills with the ability to explain complex models to non-technical audiences. (ref:hirist.tech)

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