Raj Kumar

Data Scientist, pixis.ai

May 2022 - Present, Bengaluru, India

• Developed sophisticated machine learning targeting recommender engines to optimize ad targeting across multiple platforms.
• Data Wrangling & Feature Engineering: Extracted and transformed complex data from Google Ads and external keyword tools.
• NLP for Keyword Analysis: Utilized models like BERT and FastText for clustering keywords.
• Model Development & Deployment: Developed machine learning models, including XGBoost regression and agglomerative clustering.
• LLM Integration: Incorporated GPT models to enhance keyword understanding and suggest contextually relevant targeting expansions.

Product Analyst, Lead School

Sep 2021 - May 2022, Bengaluru, India

• Identified Key Metrics and built automated dashboards using Tableau, Data Studio, Airflow.
• Helped in making Data Driven Decisions and Automated Daily Data Requests.

Student Representative, Career and Placement Cell, IIT Mandi

June 2019 - July 2021

• Represented the views of students on placement policies and coordinated with the college administration.

Keyword Targeting Recommender Engine - Machine Learning model (xgboost regressor), pixis.ai

• Streamlined search ad campaign management and developed actionable insights.
• Data Pipeline and Key Technologies used.
• Impact on Time Savings and Improved Campaign Performance.