Open for Freelance Consulting & Full-Time Opportunities

Joydeep Swarnakar

Data Scientist & Analytics Engineer with 2+ years of experience building production NLP systems, predictive models, dbt transformation pipelines, and executive BI dashboards.

๐Ÿ“ง joydeep0777@gmail.com ๐Ÿ“ฑ +91 93327 49120 ๐Ÿ”— LinkedIn ๐Ÿ’ป GitHub

Core Technical Competencies

Languages & Code

Python, SQL, Java, Data Structures & Algorithms

Data Science & ML/NLP

scikit-learn, Hugging Face Transformers, NLTK, OpenCV, PyTesseract, Pandas, NumPy

Data & Cloud Architecture

dbt Core / Cloud, Snowflake, AWS (S3, EC2), ETL Pipeline Design, Relational DB Administration

BI & Visualization

Tableau Public, Power BI, Executive KPI Reporting, A/B Testing

Featured Production Project

Modern Analytics Engineering: dbt Core + Snowflake + BI

Enterprise Data Stack
Lead Analytics Engineer

Designed and deployed an end-to-end ELT pipeline transforming raw transactional e-commerce event records into high-performance Kimball Star-Schema Data Marts (dim_customers & fct_orders) backed by automated CI/CD schema assertions and an executive BI dashboard.

dbt Core Snowflake Kimball Dimensional Modeling Tableau Public Automated Data Testing
Source Code & Models Open Interactive Dashboard โ†—

Professional Experience

Go Sky Aviation Limited

India | Oct 2022 โ€“ Aug 2024
Data Scientist
  • Built and deployed NLP sentiment analysis models on customer feedback data spanning hundreds of thousands of records using NLTK, Hugging Face Transformers, and scikit-learn.
  • Developed and deployed an NLP-powered chatbot to automate first-line customer support responses, reducing manual query handling and improving response consistency.
  • Designed and maintained interactive Power BI and Tableau dashboards translating raw customer and operational data into business-ready insights used daily by 50โ€“60 stakeholders across departments.
  • Built and managed SQL-based ETL pipelines to extract, clean, and transform customer and operational data from multiple sources, ensuring reliable, analysis-ready datasets for downstream modeling and reporting.
  • Developed forecasting models to support business planning using statistical and machine learning techniques on historical operational data.
  • Applied computer vision techniques (OpenCV, PyTesseract) to automate extraction of information from image-based and scanned documents, reducing manual data entry effort.
  • Ran A/B tests to evaluate the impact of model and feature changes, using results to guide iteration on deployed NLP and forecasting solutions.
  • Administered and optimized relational databases (SQL) supporting core data science workflows, ensuring data integrity and query performance.

Unschool Edtech Pvt. Ltd.

India
Marketing Intern (Youth Influencer)

Supported digital marketing campaigns targeting student audiences, applying foundational digital marketing and audience segmentation skills in a live business setting.

Pawzzitive Welfare Foundation

India
Campaign Support Intern

Assisted in planning and executing outreach campaigns to support organizational fundraising and community awareness goals.

Education

Bangalore University โ€“ Bangalore Institute of Management Studies

Bachelor of Computer Applications (B.C.A.)

First Class, CGPA: 6.78 | Bangalore, India

West Bengal Council of Higher Secondary Education (WBCHSE)

Higher Secondary Examination โ€” 70.2%

West Bengal, India (2018)

West Bengal Board of Secondary Education (WBBSE)

Madhyamik Examination โ€” 53.28%

West Bengal, India (2016)

Certifications & Honors

University of Michigan

โ€ข Python Basics & Functions, Files, Dictionaries

โ€ข Python Classes, Inheritance, and Data Collection

โ€ข Python Project: Pillow, Tesseract, OpenCV

Google & Skill India Digital

โ€ข Google: Fundamentals of Digital Marketing

โ€ข Skill India Digital / NSDC: Web Design and Development

ISRO, TCS & RGCSM

โ€ข ISRO: Overview of Space Science and Technology (START Program)

โ€ข TCS iON: Career Edge โ€“ Young Professional

โ€ข RGCSM: Advanced Diploma in Office Automation & Publishing