R

RAJ KUMAR

AI Researcher

New Delhi, Delhi, India6 mos experience
AI EnabledAI ML Practitioner

Key Highlights

  • Achieved 90% accuracy in sentiment analysis.
  • Developed recommendation systems with over 80% accuracy.
  • Expertise in machine learning and natural language processing.
Stackforce AI infers this person is a Data Science professional with expertise in Fintech and Social Media analytics.

Contact

Skills

Core Skills

Natural Language Processing (nlp)Machine LearningApplication Programming Interfaces (api)Software DesignData Science

Other Skills

Analytical SkillsAnalyticsArtificial Intelligence for BusinessBackpropagationCommunicationComputer EthicsComputer VisionCredit Risk ManagementData AnalysisData AnalyticsData CleaningData IntegrityData ModelingData ReductionData Visualization

About

A highly motivated data science professional with a strong academic foundation in Machine Learning and Artificial Intelligence, currently pursuing a Master of Science at Liverpool John Moores University. Previous academic experiences include a postgraduate degree from IIIT Bangalore and a Bachelor of Business Administration with a focus on Machine Learning. Recently completed a Data Science Internship at The Developers Arena, where contributions included conducting sentiment analysis on movie reviews with 90% accuracy and building a recommendation system with over 80% accuracy. Proficient in APIs, natural language processing, and machine learning, with practical experience in data analysis and software development aimed at delivering innovative solutions.

Experience

Bluestock™🔺

SDE

May 2025Jun 2025 · 1 mo · India · Remote

  • Worked on fintech solutions, optimizing back-end services using [Tech Stack]. Improved performance by reducing latency, built scalable APIs, and integrated tools to enhance data accuracy. Gained hands-on experience in distributed systems & cloud computing. Grateful for the mentorship and growth in stock market analytics!
  • #SDE #Fintech #SoftwareEngineering #Internship
Application Programming Interfaces (API)Software DesignTesting

The developers arena

Data Science Intern

Apr 2025Oct 2025 · 6 mos · India · Remote

  • Conducted sentiment analysis on movie reviews, achieving an impressive accuracy of 90%.
  • Developed a recommendation system, reaching over 80% accuracy to enhance user experience.
  • Collaborated with a dynamic team at The Developers Arena, a startup focused on innovative tech solutions.
  • Gained hands-on experience in data analysis, machine learning, and natural language processing.
Natural Language Processing (NLP)Machine LearningData Analysis

Main flow services and technologies pvt. ltd.

Data science and python intern

Jan 2025Mar 2025 · 2 mos · India · Remote

  • Predictive Analytics & Risk Assessment: Developed machine learning models using decision trees and XGBoost to assess credit risk, reducing potential credit losses by 15%.
  • Customer Retention Insights: Built a churn prediction model using logistic regression and random forest, incorporating feature engineering and Power BI dashboards for data-driven retention strategies.
  • Data Exploration & Visualization: Conducted extensive EDA, identifying key patterns and trends, and presented actionable insights through detailed reports and visualizations.
  • Business Impact: Enabled businesses to make informed strategic decisions and enhance operational efficiency.
Python (Programming Language)Machine Learning AlgorithmsDeep LearningMachine Learning

Coding samurai

Data Scientist

Dec 2024Jan 2025 · 1 mo · India · Remote

  • 🚀 Project Highlight: Built an advanced Twitter Sentiment Analysis Hybrid Model leveraging DistilBERT for contextual embeddings and GRU for sequence modeling, achieving exceptional accuracy in predicting sentiments.
  • 💡 Key Contributions:
  • Designed and implemented a robust text preprocessing pipeline using NLTK, reducing noise and optimizing data quality.
  • Integrated DistilBERT embeddings for capturing contextual information and GRU layers for efficient sequential data processing.
  • Developed and fine-tuned the model using TensorFlow, achieving high accuracy and improved computational efficiency.
  • Tokenized textual data with a max-length approach for consistent input to the model, ensuring reliable training and predictions.
  • Conducted comprehensive evaluations with a classification report, showcasing precise sentiment categorization on a large-scale Twitter dataset.
Machine Learning AlgorithmsDeep LearningNatural Language Processing (NLP)

Gilbert research center

Data science and machine learning

Nov 2024Jan 2025 · 2 mos · India · Remote

  • "Engaged in a Data Science & Machine Learning internship at Gilbert Research Center , specializing in key concepts like data visualization, PCA, regression, and neural networks. Contributing to clinical diagnostic AI projects through hands-on programming assignments and practical applications, enhancing expertise in machine learning for healthcare solutions and innovation."
Machine LearningDeep LearningStatistical Inference

Boston consulting group (bcg)

Data Science Job Simulation on Forage

Mar 2024Mar 2024 · 0 mo · India · Remote

  • Completed a customer churn analysis simulation for XYZ Analytics, demonstrating advanced data analytics skills, identifying essential client data and outlining a strategic investigation approach.
  • Conducted efficient data analysis using Python, including Pandas and NumPy. Employed data visualization techniques for insightful trend interpretation.
  • Completed the engineering and optimization of a random forest model, achieving an 85% accuracy rate in predicting customer churn.
  • Completed a concise executive summary for the Associate Director, delivering actionable insights for informed decisionmaking based on the analysis.
Python (Programming Language)Data ScienceMachine Learning Algorithms

Remark skill education

Python Programming Intern

Mar 2022May 2022 · 2 mos · India · Remote

  • Worked on a Python-based project, "3 Dice Roller Shuffle," demonstrating core and advanced programming skills.
  • Gained practical experience in Python programming, implementing coursework in a real-world environment.
  • Successfully collaborated with the team, contributing to project development and execution.
  • Exhibited strong problem-solving abilities, technical proficiency, and teamwork throughout the internship.
Python (Programming Language)

Education

Liverpool John Moores University

Master of Science — Machine Learning and AI

Sep 2023Dec 2024

International Institute of Information Technology Bangalore

Postgraduate Degree — Machine learning and AI

Aug 2022Sep 2023

Bengal College of Engineering and Technology

Bachelor of Business Administration — Machine Learning

Aug 2015Oct 2018

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