OSMAR MARQUINA
Midlothian,IL
Summary
Detail-oriented accounting student and bilingual (Spanish/English) bookkeeping professional with hands-on QuickBooks Online experience. Known for strong critical thinking, adaptability, and a quality-focused, collaborative work ethic. Comfortable with Microsoft Office and quick to learn new systems.
Overview
4
4
years of professional experience
Work History
Assistant Bookkeeper
El Matador
Woodridge, IL
12.2025 - Current
- Executed bookkeeping functions in QuickBooks Online, focusing on transaction categorization and accounts receivable for accurate financial reporting.
- Oversaw accounts receivable by verifying orders, recording payments, and matching transactions to bank records to ensure precise financial tracking.
- Analyzed weekly sales by generating QuickBooks reports and exporting to Excel, distinguishing delivery driver sales from company and distributor sales for clearer performance insights.
- Prepare monthly statements comparing current sales to prior-year performance.
- Monitored and organized weekly inventory specifically for delivery drivers to ensure timely availability of products.
Sales Associate
Target
Tinley Park, IL
05.2022 - 06.2026
- Assisted store operations during peak hours to ensure smooth customer service and efficient workflow.
- Greeted Target guests and answered questions about products, pricing, and promotions.
- Restocked shelves and organized merchandise according to Target presentation standards.
- Operated checkout lanes and processed cash, card, and gift card transactions.
Education
Bachelor of Science - Accounting
Illinois State University
Normal, IL12-2026
Skills
- QuickBooks Online
- Accounts receivable
- Invoice preparation
- Invoice processing
- Bank reconciliation
- General ledger
- Journal entries
- Bookkeeping
- Microsoft Excel
- Attention to detail
- Interdepartmental coordination
- Problem-solving
- Adaptability in tasks
- Accounting principles
LANGUAGES
English (Fluent) Spanish (Fluent)
RELEVANT ACCOUNTING PROJECTS
Illinois State University Normal, IL, Audit Integrated Engagement Project (AIEP) Coca-Cola Inc., Conducted a simulated audit engagement of Coca-Cola Inc. as part of a team project, researching the companys operations, industry, and external auditor to assess overall audit risk., Set planning materiality and performed ratio analysis comparing Coca-Cola to its largest competitor to evaluate financial trends and audit implications., Assessed inherent, control, and detection risk, identifying high-risk areas including revenue recognition, warranty exposure, and inventory valuation., Recommended a substantive-oriented audit strategy with increased testing depth based on risk assessment findings., Federal Tax Return Preparation, Prepared federal tax returns for three entity types Form 1040 (Individual), Form 1065 (LLC/Partnership), and Form 1120 (C Corporation) applying entity-specific tax rules and reporting requirements.
Timeline
Assistant Bookkeeper
El Matador
12.2025 - Current
Sales Associate
Target
05.2022 - 06.2026
Bachelor of Science - Accounting
Illinois State University