NITESH KHERA
Bengaluru
Summary
Data Scientist and AI Engineer skilled in machine learning, NLP, data analytics, Gen AI seeking to apply technical expertise in AI-driven problem solving and automation to deliver impactful business outcomes within a forward-thinking organization.
Overview
2
2
years of professional experience
1
1
Certification
Work History
AI/ML Engineer
HCL Tech
Bengaluru
11.2024 - Current
- Building, training, and deploying supervised machine learning and NLP-based classification models to automate workflows.
- Architecting multi-stage classification frameworks that are minimizing manual intervention and driving down operational costs.
- Driving model lifecycles, covering data preprocessing, feature engineering, training, hyperparameter optimization, and validation.
- Applying advanced NLP methodologies such as TF-IDF vectorization, text classification, and transformer architectures (BERT).
- Establishing evaluation frameworks leveraging metrics like precision, recall, PSI, KS statistic, capture rate, MAE, rogue score, and WMAPE.
- Collaborated with cross-functional teams to automate call classification and email routing through AI-based systems, enhancing accuracy and efficiency.
- Refining protected models by incorporating NLP pipelines that identify and filter abusive or sensitive communication.
- Creating GenAI-driven POCs using LangChain and prompt routing for project management automation.
- Documenting all development, validation, and governance activities.
- Automated manual processes, generating estimated cost savings of $670,000 through implementation of advanced predictive models.
- Achieved 85% accuracy and 83.5% recall for 2-stage classification model, reflecting strong model performance and reliability.
- Created a dropout prediction model during the internship that achieved an accuracy rate of 85%, driving a 15% reduction in dropout rates.
- Enhanced the average call handling time model using SARIMAX, achieving a WMAPE value of 6.5%, improving operational efficiency.
Data Science intern(paid)
Learnbay
Bengaluru
01.2024 - 10.2024
- Designed a student dropout prediction model with 85% accuracy rate, enabling engagement strategies and reducing dropout rates by 15%.
- Collaborated with academic advisors to generate actionable insights.
- Created a time-series model for analyzing average call handling time, applying SARIMAX methodology, achieving WMAPE of 6.5%.
Education
Bachelor of Engineering - Mechanical
SJBIT
Bengaluru01.2020
Skills
- Python
- SQL
- Numpy
- Pandas
- Langchain
- Ilama Index
- Langgraph
- Crew AI
- Power BI
- Snowflake
- Machine Learning
- Predictive Modeling
- Natural Learning Processing
- Time Series Forecasting
- Data Visualization/ BI Reporting
- Python Programming
- Statistical Analysis
- Supervised/ Unsupervised Learning
- Model Evaluation
- Data Cleaning & Preprocessing
- Prompt/ Feature Engineering
- Automation Frameworks
- SQL Querying & Data Extraction
- AI Model Monitoring/ Governance
- Cross-functional Collaboration
Certification
- Data Science and Artificial Intelligence Certificate, IBM
- Python Certificate, IBM
- Machine Learning Certificate, IBM
- Machine Learning in Production
- Microsoft Certified: Azure Data Fundamentals
- Partner Training: Gen AI & LLM on Databricks
Projects
- Mail Classification Model, Python, NLP, TF-IDF, XGBoost, Supervised Learning, Developed a two-stage NLP-based classification model automating mails team's manual process, saving ~$670K annually.
- Model Monitoring & Evaluation Framework, Python, Statistical Analysis, KPI Dashboards, Designed monitoring and evaluation metrics for 7 production models (CEOMR, PSI, Legal Text Summarization, OOMF, Protected, etc.).
- Retirement Prediction Model, Python, Classification Models, Feature Engineering, Developed a classification model to predict if particular personnel would retire within 12 months.
- Hate Protect Model- Hate & Abusive Call Detection, TF-IDF, Logistic Regression, BERT, Automated detection of hate/abusive (HAT) calls previously handled manually.
- POC - Generative AI Project Manager, LangChain, LLMs, Prompt Engineering, Python, Built a GenAI-based project manager using LangChain and prompt routing to extract project insights.
Languages
- Hindi
- English
Timeline
AI/ML Engineer
HCL Tech
11.2024 - Current
Data Science intern(paid)
Learnbay
01.2024 - 10.2024
Bachelor of Engineering - Mechanical
SJBIT