MAINAK CHAUDHURI
Summary
Dynamic Data Engineer and AI Engineer with over 3 years of experience in developing robust ETL pipelines, data architectures, and AI-driven analytics. Proficient in Microsoft Azure and Oracle technologies, delivering scalable and efficient business intelligence solutions. Expertise in designing, building, and optimizing complex data pipelines and ETL processes, complemented by strong skills in SQL, Python, and cloud platforms for seamless data integration. Recognized for excelling in collaborative environments, adapting swiftly to evolving needs, and driving team success through impactful contributions.
Overview
4
4
years of professional experience
1
1
Certificate
Work History
Data Engineer
Predicta Digital
03.2025 - 01.2026
- Designed ETL workflows in Azure Data Factory with CTEs & Stored Procedures, improving performance by 30%.
- Developed Logistic Regression models on 50M data points in Databricks, boosting predictive accuracy by 15% and delivering 20% higher ROI.
- Built, tested, and deployed Azure Data Pipelines for an Australian dairy client, processing 20M+ records daily from SAP, Zoho, ARIA and Web APIs.
AI Engineer
Happy People AI LLP
08.2024 - 02.2025
- Built and tested custom analytics systems ensuring data security and governance compliances improving ROI by 21%.
- Integrated custom data pipelines using React JS + FAST APIs, enabling seamless AI model training and 25% faster data ingestion.
- Developed smart recommendation system with 18% increase in customer outreach and reduced AI model errors by 21%.
- Remote
DC Analyst (C&M)
Deloitte USI
01.2024 - 07.2024
- Designed and implemented Azure Data Pipelines, migrating 180K+ Salesforce Leads & Sales Cloud records into Azure Data Lake with 99% accuracy.
- Deployed Databricks models, accelerating lead scoring & forecasting workflows by 25%.
- Built Tableau CRM dashboards, enhancing sales KPI visibility and reducing reporting lag by 50%.
Freelance Data & AI Developer
Supernova Business
01.2022 - 12.2023
- Built ETL pipelines and BI systems for a real estate client, delivering property insights and improving portfolio risk analysis by 10%
- Automated data quality checks, ensuring 99% reporting accuracy and reducing manual validation by 40%
- Tripled client ROI, enabling seamless integration of 5+ property data sources driving analytics
- Remote
Education
B. Tech - Computer Science Engineering
SRM University
05.2023
Skills
- ETL development
- Data warehousing
- Data modeling
- Data pipeline design
- Big data processing
- Performance tuning
- Spark framework
- Machine learning
- Real-time analytics
- Data integration
- SQL and databases
- Business intelligence
Accomplishments
- Adamas AI - Best Machine Learning Web App
- Ranked #1 Machine Learning Web App on Streamlit Cloud
- Top 1% Contributor - Coders Rank
- Contributed to 100+ public repositories in GitHub and actively worked on AWS Lambda, GitHub Actions and Automations
Certification
- Microsoft Azure Certified Data Engineer
- Oracle Certified OCI AI Engineer Specialist
LANGUAGES
English - Professional
Bengali - Native
Hindi - Professional
German - Intermediate
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote
There is a powerful driving force inside every human being that, once unleashed, can make any vision, dream, or desire a reality.
Tony Robbins
Timeline
Data Engineer
Predicta Digital
03.2025 - 01.2026
AI Engineer
Happy People AI LLP
08.2024 - 02.2025
DC Analyst (C&M)
Deloitte USI
01.2024 - 07.2024
Freelance Data & AI Developer
Supernova Business
01.2022 - 12.2023
B. Tech - Computer Science Engineering
SRM University
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