Y

Yussuf

Data Analytics & Application Architecture

Yussuf AbdAllah

Data Analyst Developer Accountant
LinkedIn Access Power BI Excel Apps Excel Reports Power Point PDF
YA Yussuf AbdAllah

Professional Experience

Accountant | Khalifa Brothers

2025 - Now

Khalifa Brothers Garment Manufacturing Co. — a leading ready-made garment manufacturing and distribution company with an extensive network covering domestic provinces and regional export markets in neighboring countries.

  • General Accounting: Managed routine accounting operations, financial data entries, and general ledger reconciliation.
  • Payroll & Advances: Administered and disbursed monthly salaries and cash advances for over 80 employees.
  • Accounts Reconciliation: Managed accounts receivable and payable, directly communicating with clients and vendors to perform regular balance reconciliations.

Data Specialist | Account Techniques Limited for Financial and Accounting Consultancy

2025 - Now

Al Madinah, Saudi Arabia – Remote Freelancer

A premier financial and accounting consultancy firm dedicated to providing comprehensive financial solutions for businesses. Specialized in bookkeeping, financial reporting, auditing, tax compliance, and strategic financial planning to drive business growth and ensure regulatory compliance.

Information Manager | Fouadi Foundation / UNICEF – a Cash Transfer Project

2024
  • Systems Development: Designed and developed advanced Excel forms and Google Sheets to streamline data entry, analysis, and structured management.
  • Data Quality & Governance: Audited, cleaned, and preprocessed datasets to eliminate errors and duplicates, ensuring high accuracy, integrity, and data security.
  • Team Leadership & Field Coordination: Managed and mentored the data entry team while collaborating with Field Monitors to resolve discrepancies and address data collection gaps.
  • Analytics & Reporting: Built interactive Power BI dashboards and generated key project reports, including 4Ws, Progress, and FSP reports.

Senior Reporting Officer | CCS

2023

Syrian Foundation for Treatment and Care of Children with Cancer – Headquarter

  • Data Collection & Quality Assurance: Collected and audited reports from all departments and projects, communicating across teams to ensure high data accuracy.
  • Analysis & Visualization: Designed advanced Excel models for data analysis and created professional PowerPoint presentations.
  • Comprehensive Reporting: Generated monthly statistical reports providing an end-to-end overview of the organization's overall operations.

Lecturer of Programming and Statistics | Aleppo University

2022 - 2023

Accountant | Blossom Berry

2015 - 2022

A premier manufacturer and distributor of high-quality pastries, cakes, and baked goods.

Managed end-to-end financial operations by maintaining general ledgers, overseeing accounts payable and receivable, and preparing key financial statements including P&L, balance sheets, and cash flow reports. Delivered periodic financial analyses and strategic insights to guide business decision-making and ensure financial health.

Professional Capabilities

Technical Skills

Comprehensive breakdown of expertise across Data Analytics, Business Intelligence, Advanced Database Optimization, and Enterprise Desktop/Cloud Architecture.

Data Analysis & Visualization

Excel Power BI M Language DAX

Mastering Data Analyst by Microsoft Excel

Importing, cleaning, and transforming data from multiple sources using Power Query (M Language); building data models and performing advanced calculations via Power Pivot (DAX), PivotTables, and dynamic arrays; automating workflows and tasks with VBA/Macros; and designing interactive dashboards for data visualization and decision-making support.

Power BI Mastery

An expert in building comprehensive business intelligence (BI) solutions, ranging from data extraction, transformation, and loading (ETL) using Power Query (M), through the creation of advanced data models (star schema) and complex measures using DAX, to publishing and deploying them via the Power BI Service.

Advanced Analytics

Python SQL / T-SQL
Python Ecosystem Core & Data Science

Applying advanced Python concepts (Decorators, Generators, Object-Oriented Programming, and List Comprehensions) to enhance code efficiency and memory management.

Advanced cleaning, transformation, analysis, and data visualization using Pandas, NumPy, and Matplotlib.

OOP Pandas NumPy Matplotlib
SQL Server & Querying T-SQL Expert

Expertise in T-SQL for complex data extraction and transformation, utilizing Window Functions (RANK, LEAD, LAG), Common Table Expressions (CTEs), and advanced joins to process large datasets efficiently.

Window Functions CTEs RANK / LEAD / LAG Complex Joins

Application Development

Microsoft Access & Excel & C#/VB.NET Libraries

Access / DLL Excel / XLL SQL Server C# & VB.Net

Enterprise Access & Excel Architecture

Designing split (Front End/Back End) Access databases and advanced Excel engines using custom XLL add-ins (C#, VB.NET, Python), VBA, M code, and dynamic arrays.

Hybrid & Offline-First Data Systems

Engineering zero-downtime, offline-first data models pairing local encrypted storage (SQLite/SQLCipher AES-256) with cloud backends (PostgreSQL, SQL Server, Azure Table Storage, Google Sheet) for seamless background synchronization.

Custom .NET Integration & Cloud APIs

Extending desktop applications with C#/VB.NET libraries for REST API integration (Google & Excel REST), PBKDF2 security/authentication, automated backups, and non-blocking Async/Await processing for responsive WinForms and WPF interfaces.

SQL Server Developer & Tuning

Designing relational schemas and authoring high-performance stored procedures, triggers, and functions, alongside mastering concurrency management, isolation levels, indexing strategies, and query performance optimization using execution plans.