Sayan Kumar Mandal
Jersey City,NJ
Summary
Detail-oriented risk analysis professional with over three years of experience in data analytics and fraud prevention within the e-commerce sector. Proven track record in leveraging statistical analysis and business intelligence tools to enhance operational efficiency and mitigate risks. Expert in implementing fraud detection strategies that identify suspicious transactions and improve security measures. Currently pursuing a Master’s in Business Intelligence and Analytics to further strengthen capabilities in advanced analytics and predictive modeling.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Risk Specialist, Transaction Risk Management System (TRMS)
Amazon Pvt Ltd
Hyderabad, India
10.2020 - 07.2023
- Led and managed four teams (16+ analysts) in risk management, fraud detection, and operational efficiency enhancements
- Analyzed and optimized transaction data using SQL, Python (Pandas, NumPy, Matplotlib) to detect fraud and prevent revenue leakage
- Designed and implemented advanced data models and fraud detection algorithms, reducing fraudulent transactions by 20%
- Automated data extraction and validation processes, decreasing manual effort by 30% and increasing team productivity by 15%
- Conducted risk assessments and monitored fraudulent activity using Amazon’s proprietary tools (Paragon, SILS, Fence)
- Created real-time dashboards using Power BI and Tableau, providing deep data insights for process improvement and risk management strategies
- Collaborated with data science, compliance, and engineering teams to refine fraud detection methodologies and improve fraud-prevention workflows
- Led operational enhancements, implementing Standard Operating Procedures (SOPs) that streamlined fraud detection processes, reducing false positives by 18%
Data Analyst Intern
Glossary IT Solutions
06.2019 - 06.2019
- Conducted data mining and statistical analysis using SQL to identify customer trends
- Automated reporting processes, reducing manual data processing time by 30%
Data Analytics Intern
Tech Tychon IT Solutions
06.2018 - 06.2018
- Assisted in cleaning and analyzing large datasets using Python (Pandas, NumPy) and SQL
- Developed automated reporting dashboards in Tableau, enhancing business intelligence insights
Education
Master’s - Business Intelligence and Analytics
Stevens Institute of Technology
Hoboken, NJ01.2025
Bachelor of Technology - Computer Science
Sreenidhi Institute of Science & Technology
India01.2020
Skills
- Data Analysis
- Exploratory Data Analysis (EDA)
- Data Cleaning
- Data Mining
- ETL
- Feature Engineering
- Programming Languages
- Python
- Pandas
- NumPy
- Scikit-learn
- Matplotlib
- R
- C
- SQL
- Databases
- PostgreSQL
- MySQL
- Oracle DB
- PG Admin
- BigQuery
- Data Visualization & BI
- Power BI
- Tableau
- Seaborn
- Predictive Modeling
- Time Series Analysis
- Anomaly Detection
- Tools
- Jupyter Notebook
- MS Excel
- Pivot Tables
- VLOOKUP
- Macros
- Risk & Fraud Analytics
- Transaction Risk Modeling
- Fraud Prevention
- Pattern Recognition
- Trend Analysis
Certification
- Google Data Analytics.
- Google Project Management.
- Google IT Support.
- Google IT Automation with Python.
- Google UX Design.
- Google Advanced Data Analytics.
- Google Cybersecurity.
- Google Business Intelligence.
- Google Agile.
Projects
- Physical Health Record System (Data Encryption & Security), Developed a secure health record platform using Python and SQL, implementing encryption methods to ensure patient data security.
- Online Voting System (Data Integrity & Real-Time Analytics) Designed a digital voting system with real-time data analytics and security features, utilizing SQL and Power BI for insights.
- Hale – AI-Based Mental Health Analysis (Ongoing Project), Creating an AI-driven mental health prediction model using NLP to assess mental well-being trends and generate reports.
Timeline
Risk Specialist, Transaction Risk Management System (TRMS)
Amazon Pvt Ltd
10.2020 - 07.2023
Data Analyst Intern
Glossary IT Solutions
06.2019 - 06.2019
Data Analytics Intern
Tech Tychon IT Solutions
06.2018 - 06.2018
Master’s - Business Intelligence and Analytics
Stevens Institute of Technology
Bachelor of Technology - Computer Science
Sreenidhi Institute of Science & Technology
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