Data Analyst at Amazon (2020-07 – 2023-11)
Created and maintained centralised SQL data models, designed Power BI dashboards for 500+ stakeholders, and improved on-time delivery rates by 4%.
- Created and maintained a centralised SQL data model (star schema) consolidating data from 6 operational systems, improving report consistency and reducing conflicting metrics across teams
- Designed and maintained Power BI dashboards tracking fulfilment centre KPIs, inventory health, and delivery performance, used by 500+ operations and programme managers across the UK and EU
- Delivered governance-compliant Power BI dashboards with row-level security (RLS) for 50+ stakeholders, and presented data-driven insights to Operations Directors and Programme Managers to drive fulfilment and delivery strategy decisions
- Improved on-time delivery rates by 4% across 200,000+ monthly orders by analysing 9 months' data and implementing a data validation process that identified and resolved discrepancies
- Wrote complex T-SQL and Amazon Redshift queries (CTEs, window functions, multi-table joins) to extract, transform, and validate large datasets from multiple source systems
- Monitored and optimised the performance of Tableau dashboards, ensuring smooth data processing and user experience
- Mentored 2 junior analysts on SQL query writing, Power BI data modelling, and DAX best practices as part of Amazon's internal upskilling programme
Data Analyst at Tech Mahindra (2019-05 – 2020-06)
Conducted sales analysis, built interactive Power BI dashboards with 30+ visualisations, and improved data accuracy through validation procedures.
- Conducted in-depth analysis of a 15% sales decline using Power BI, identifying key drivers of variability and presenting actionable insights to stakeholders
- Built interactive Power BI dashboards featuring 30+ visualisations of sales KPIs, profits, and trends across multiple dimensions, leveraging parameters, calculated fields, joins, and filters for robust business analysis
- Transformed raw data into structured, analysis-ready formats through data cleaning and modelling, improving Business Intelligence insights and understanding of customer needs
- Maintained and validated customer and sales data to ensure accuracy and integrity, directly supporting Sales Operations reporting
- Collaborated with process leads on an Agile Scrum project, contributing across all sprint ceremonies from planning through retrospective to deliver iterative improvements
Data Associate at Tech Mahindra (2018-01 – 2019-04)
Managed and transformed large datasets in Excel with 99%+ data accuracy through validation procedures.
- Managed and transformed large datasets in Excel, maintaining high accuracy through rigorous data entry and resolving inconsistencies
- Achieved a 99%+ data accuracy rate by developing and implementing structured data validation procedures