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I am a Data Scientist with 4+ years of experience specializing in Python, SQL, NLP, and LLMs. I excel at turning complex data into actionable insights, building scalable analytics solutions, and delivering measurable impact through large-scale data projects. I have led cross-functional teams, including managing a team of 6 annotators with sprint-based workflows and KPIs, and I thrive on developing data-driven solutions that improve decision-making and operational efficiency.…I am a Data Scientist with 4+ years of experience specializing in Python, SQL, NLP, and LLMs. I excel at turning complex data into actionable insights, building scalable analytics solutions, and delivering measurable impact through large-scale data projects. I have led cross-functional teams, including managing a team of 6 annotators with sprint-based workflows and KPIs, and I thrive on developing data-driven solutions that improve decision-making and operational efficiency.

Sahil Bharti

Data Scientist, AI Engineer, Data Analyst, +3

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I am a Data Scientist with 4+ years of experience specializing in Python, SQL, NLP, and LLMs. I excel at turning complex data into actionable insights, building scalable analytics solutions, and delivering measurable impact through large-scale data projects. I have led cross-functional teams, including managing a team of 6 annotators with sprint-based workflows and KPIs, and I thrive on developing data-driven solutions that improve decision-making and operational efficiency.…I am a Data Scientist with 4+ years of experience specializing in Python, SQL, NLP, and LLMs. I excel at turning complex data into actionable insights, building scalable analytics solutions, and delivering measurable impact through large-scale data projects. I have led cross-functional teams, including managing a team of 6 annotators with sprint-based workflows and KPIs, and I thrive on developing data-driven solutions that improve decision-making and operational efficiency.

Available to hire

I am a Data Scientist with 4+ years of experience specializing in Python, SQL, NLP, and LLMs. I excel at turning complex data into actionable insights, building scalable analytics solutions, and delivering measurable impact through large-scale data projects.

I have led cross-functional teams, including managing a team of 6 annotators with sprint-based workflows and KPIs, and I thrive on developing data-driven solutions that improve decision-making and operational efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Hindi

Fluent

Work Experience

RAG Data Scientist at Cohere

March 31, 2025 - August 13, 2025

Integrated retrieval-augmented generation (RAG) into the Command model to enhance LLM performance on code generation tasks, specifically improving SQL and Python completion accuracy via targeted dataset curation and fine-tuning. Built scalable annotation pipelines for code-related tasks like semantic labeling, query disambiguation, and multi-hop retrieval, improving model robustness. Led a team of six annotators, implementing sprint workflows and KPIs that increased productivity by 30% in two quarters. Developed evaluation frameworks combining automated and human-in-the-loop metrics to track gains in retrieval accuracy, code correctness, and natural language interpretability. Employed LDA topic modeling on internal feedback to identify knowledge gaps, boosting annotation precision by 15%.

Data Scientist (Volunteer) at Digna AI

February 28, 2025 - August 13, 2025

Directed the integration of OpenAI's API with RAG to improve a chatbot aiding war-affected Ukrainians in relocating to Norway, enhancing interaction accuracy. Utilized Python and Git within Agile methodologies for efficient collaborative development in a volunteer environment. Managed project migration to Amazon Bedrock to leverage advanced LLM capabilities for better AI performance and scalability.

Data Scientist at Navi Site

September 30, 2022 - August 13, 2025

Implemented a POC AI-driven chatbot using GPT-3 LLMs to enhance website customer engagement and support. Developed and deployed a text classification system for customer support ticket prioritization, reducing average response times by 20%. Utilized Azure DevOps and CI/CD pipelines for rapid integration and testing of sentiment analysis models, resulting in 80% faster deployment and improved service quality. Applied classification algorithms to analyze extensive customer behavior trends, accurately predicting churn risk and reducing churn by 20%.

Data Analyst at Navi Site

November 25, 2019 - May 31, 2020

Identified and optimized inefficient SQL queries, reducing response times by 15%. Analyzed SQL logs and database metrics to resolve client issues with a 100% resolution rate, improving customer satisfaction. Automated database backups, replication, and failover processes for over 20 stakeholders, minimizing downtime to less than 1% and ensuring data integrity.