HS
Hüseyin Özgür Sencar
Welcome
Database Specialist · .NET Developer

Turning complex data into reliable software.

I'm Hüseyin Özgür Sencar. I design database architecture on Oracle and MSSQL, then build scalable, user-friendly business applications on top of it with C# / .NET — from inventory systems to accounting modules.

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profile.sql
About Me

Born May 24, 1994 in Famagusta, Cyprus. I work as a Database Specialist within a corporate organization, playing an active role in data-driven, enterprise-scale software projects.

I combine a strong foundation in database management with a passion for C# and .NET technologies, focusing on building efficient, scalable, user-friendly systems. My work centers on turning complex data into structured, meaningful, sustainable applications.

At the start of every project, I plan the database design around the program's flow and business rules — shaping the table structures, relationships, and indexing strategy around an architecture that prioritizes performance and data integrity.

My areas of expertise include inventory management systems, stock tracking software, and product sales & pre-accounting modules — solutions where performance, data accuracy, and usability are critical.

My vision: to design resilient, scalable, and maintainable software solutions that simplify complex workflows, maximize data efficiency, and create lasting value for modern businesses.

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Oracle
MSSQL
C#
ASP.NET Architecture

I hold a degree in Computer Engineering. Across my projects I have experience with N-Tier and SOLID-compliant architectures, as well as database design, performance optimization, and data security.

Work Experience
January 2024 — Present
Database Specialist
Near East Technology
  • Installation, configuration, maintenance, and continuity management on Oracle 12c/19c databases
  • Planning and executing high-volume data and schema transfers via Export/Import (Data Pump)
  • Synchronizing development, test, and production environments through schema compare & sync
  • Designing automated backup strategies and running restore tests with RMAN
  • Performance tuning: query, index, and system optimization
  • Managing users, roles, and permissions, and auditing security policies
September 2021 — January 2024
Assistant Database Specialist
Near East Technology
  • Supported senior staff in preparing SQL queries and scripts
  • Monitored database logs and reported errors
  • Assisted in creating user, role, and permission definitions
  • Monitored database performance and reported to the senior team
October 2019 — August 2020
Assistant Database Specialist & Billing Assurance Officer
T.R.N.C. Vodafone
  • Developed scripts using CURSOR structures on Oracle databases
  • Designed control structures to ensure billing calculation accuracy across all user types (tariffed, contracted, with/without device, prepaid or postpaid)
  • Built automated verification mechanisms to ensure billing amounts were complete and correct
  • Developed solutions to improve data integrity and customer satisfaction in business processes
How I Work

Building sustainable, scalable solutions on the database and backend side.

DB

Database Expertise

End-to-end experience on Oracle and MSSQL — from setup to performance tuning, from backup strategies to access control.

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Enterprise-Scale Development

Production systems built with C# / .NET and N-Tier, SOLID architecture principles, delivered to real clients.

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Flexible Working Style

I adapt to what a project needs — on-site or remote, full-time or project-based collaboration.

Projects

My most recent work

Here you can explore visual details of projects I've built recently for clients, both within a company and independently.

inventory management system

Product, Invoice & Supplier Management Panel

An Inventory Management System built so businesses can manage product, invoice, and supplier processes from a single, organized, controlled place. Invoice-based product tracking, company–supplier relationship management, a category–brand–model structure, and reporting dashboards bring transparency, traceability, and efficiency to operations.

Category editing screen
DefinitionsDynamic data structures such as category, brand, model, company, and supplier are managed here.
Invoice-based product entry screen
Product EntryInvoice-based product registration supporting multi-item entry, validated through category, brand, model, and quantity checks.
Confirmation notification screen
Confirmation NotificationInstant success and confirmation notifications appear once an action completes, reinforcing trust in the system.
Product listing screen
Product ListRegistered products can be listed and filtered by invoice number, company, supplier, and date.
Dashboard screen
DashboardA panel summarizing all data in the system; data flow and performance are monitored in real time.
Login screen
Login ScreenA secure, user-friendly authentication flow controls access to the system.
Add product screen
Add ProductSupports adding new products; users enter product details to create new records in the system.
Stock update screen
Stock UpdateUsers can filter to quickly find a product and update its current stock quantity and location details.
Sales screen
Sales ScreenDesigned around barcode scanning; sale items are generated automatically and an invoice is issued instantly.
Contact

Let's Work Together.

If you think I could add value to your team on the database and backend side, feel free to reach out through the channels below.

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