Kasheme Walton
Hertfordshire
Summary
Driven data analyst with expertise in data analysis, PySpark, Python, and SQL. Proficient in leveraging Databricks and cloud computing to drive insights and optimise processes. Skilled in machine learning algorithms, natural language processing, and stakeholder management. Adept at utilising Power BI, Power Apps, Power Automate, and Excel for effective data visualisation and automation. Committed to advancing analytical capabilities to support strategic decision-making.
Overview
5
5
years of professional experience
3
3
years of post-secondary education
1
1
Certification
Work history
Senior Data Analyst
Tesco Mobile
Hertfordshire
07.2024 - Current
- Integrated diverse third-party datasets for campaign audience building, ad-hoc analytics tasks and for a holistic view of campaign performance.
- Developed insights for strategic decision-making with detailed analysis reports.
- Reduced data engineering dependencies by self-serving with ETL tasks including use of cloud computing platforms such as Azure, Alation and Azure Data Factory.
- Analysed complex datasets for key patterns and trends impacting business growth.
- Used SQL, Python and PySpark skills to perform various data-related tasks.
- Leveraged machine learning algorithms to generate advanced insight, enhancing predictive analytics capabilities.
- Enhanced data accuracy of imported data by implementing data quality and validation checks.
Senior Power BI Developer
Tesco Mobile
Hertfordshire
01.2024 - 06.2024
- Continued development and maintenance of Power BI estate including stored procedures, reports, dashboards and access management
- Utilised Python, NLP & MS Fabric components to develop a text classification model to classify survey response data, producing greater insight into customer pain points
- Used Python, Power BI & MS Fabric to create data drift dashboards to detect changes in the statistical properties and characteristics of key tables on the SQL database
Power BI Developer (Consultant)
Tesco Mobile | Grayce
London
10.2022 - 01.2024
- Developed and maintained bespoke Power BI dashboards for key business areas and stakeholders
- Used SQL to develop efficient stored procedures to create tables for Power BI content
- Conducted business-critical data analysis into stock and sales movements, in order to overcome an external audit investigation
- Managed Power BI workspaces, deployment pipelines and Power Platform environments to ensure correct handling of Power BI reports and flows
IT Data Analyst (Consultant)
Metro Bank | Grayce
London
04.2022 - 10.2022
- Consumed crucial reporting & analytics responsibilities for key teams across IT and continuously looked for better ways to report the org’s risk position.
- Assumed a central role for the new GRC (Governance, Risk & Compliance) tool ingestion, data migration and analytics dashboard creation.
Business Intelligence Developer (Consultant)
Metro Bank | Grayce
London
03.2021 - 04.2022
- Created multiple automated and interactive dashboards in Power BI to monitor crucial KPIs for IT and enhance the use of data in the department.
- Built a canvas Power App to allow IT personnel to predict the severity of their discovered risks more accurately, and created a Power Automate flow to return a pdf report of their entry.
- Developed macros in VBA in order to automate repetitive & mundane tasks done in excel.
Education
BA - Politics and International Relations
University of Westminster
London 09.2017 - 06.2020
Skills
- Data analysis
- PySpark
- Python
- SQL
- Databricks familiarity
- Cloud computing
- Machine learning algorithms & fundamentals
- Power BI
- Power Apps & Power Automate
- Excel
- Natural Language Processing
- Stakeholder management
Certification
- Microsoft Certified: Power BI Data Analyst Associate
- Microsoft Certified: Power Platform Fundamentals
- CompTIA Cloud
- IBM Data Science Professional Certificate
- Essentials+ AgilePM Foundation
Timeline
Senior Data Analyst
Tesco Mobile
07.2024 - Current
Senior Power BI Developer
Tesco Mobile
01.2024 - 06.2024
Power BI Developer (Consultant)
Tesco Mobile | Grayce
10.2022 - 01.2024
IT Data Analyst (Consultant)
Metro Bank | Grayce
04.2022 - 10.2022
Business Intelligence Developer (Consultant)
Metro Bank | Grayce
03.2021 - 04.2022
BA - Politics and International Relations
University of Westminster
09.2017 - 06.2020