Jake Deffner
Seattle,WA
Summary
Detail-oriented professional transitioning from hospitality to data analytics, bringing strong skills in data-driven decision-making, process optimization, and customer behavior analysis. Experienced in using operational data to improve efficiency, track KPIs, and inform business strategy. Proficient in Microsoft Excel, POS data analysis, and reporting tools.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Bartender
El Grito
09.2022 - Current
- - Analyzed daily POS data to identify peak service hours and top-selling items, informing staffing and product ordering decisions.
- - Created inventory tracking spreadsheets, improving ordering accuracy and reducing stock discrepancies.
- - Generated weekly sales reports to assist management in monitoring revenue and adjusting menu pricing strategies.
- - Monitored compliance with regulations, ensuring all alcohol service met state guidelines.
Bartender
Pinebox
06.2021 - 09.2022
- - Compiled and analyzed sales metrics to recommend promotions, increasing customer spend per visit.
- - Managed high-volume transaction data through POS system, maintaining 100% accuracy in reporting.
- - Collaborated with kitchen and management to streamline order communication, reducing service delays by 15%.
- - Produced end-of-shift performance summaries to track sales against daily targets.
Bar Lead
The Ridge
06.2018 - 01.2021
- - Supervised team performance metrics, creating reports to identify training needs and improve operational efficiency.
- - Implemented inventory forecasting based on historical data trends, reducing waste by 20% and avoiding product shortages.
- - Prepared cash flow and sales reports for management, supporting weekly financial reviews.
- - Led onboarding and performance evaluations, using data insights to improve team productivity.
Education
Bachelor of Science - Computer Science
University of Washington Bothell
Bothell09-2024
Skills
- - Data Analysis & Visualization (Excel, Google Sheets)
- - KPI Tracking & Reporting
- - SQL & Database Queries
- - Inventory Forecasting & Cost Control
- - Trend & Sales Analysis
- - Process Optimization
- - Customer Behavior Insights
- - Business Intelligence Concepts
- - Team player attitude
- - Customer service
- - Strong multitasking
- - Python
Certification
- - Google Data Analytics Certificate (if applicable)
- - Microsoft Excel (Advanced) (if applicable)
- - SQL / Tableau / Power BI (if applicable)
Timeline
Bartender
El Grito
09.2022 - Current
Bartender
Pinebox
06.2021 - 09.2022
Bar Lead
The Ridge
06.2018 - 01.2021
Bachelor of Science - Computer Science
University of Washington Bothell