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Riddhiman Deka
Mid-level Business Analyst specializing in analytics, operations, and supply chain
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Analytics candidate with hands-on experience improving enterprise reporting and operational decision-making at Reliance and Wendy’s. They combine SQL optimization, Python automation, sentiment analysis, and dashboarding to deliver measurable impact, including cutting report runtimes from 3 minutes to 1 minute, improving model accuracy from 70% to 80%, and reducing supplier past dues by 30%.
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Key Strengths
- SQL performance tuning and query refactoring
- Data cleaning and transformation for reporting
- Strong data validation practices using counts, spot checks, and anomaly checks
- Built reproducible Python analytics workflows
- Sentiment analysis on 1M+ reviews using TextBlob and BERTopic
- Improved sentiment model accuracy from 70% to 80%
- Reduced report query runtime from 3 minutes to 1 minute
- Cross-functional collaboration with reporting teams
- Designed supplier risk metrics and alerting workflow
- Reduced past-due supplier delays by 30%
- Built Tableau dashboards for conversion tracking
- Drove ROI improvements through analytics automation
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