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Çağatay User

@cagataysunal

Software developer at Denis Express B.V. building .NET tools, including an Azure inventory app and transport-order automation.

Turkey

Message

At Denis Express B.V., I build internal tools for freight operations, including an ASP.NET Core inventory app deployed on Azure. I also built a Python tool that automates transport-order entry and helps sequence orders into trips for dispatch.

Previously, I adapted a legacy .NET Framework SOAP service to connect handheld terminals with Logo ERP’s REST API. I also contributed to an ASP.NET Web API backend for an RFID asset-tracking system and built mobile apps for Flutter, Java, and Kotlin.

Experience

Work history, roles, and key accomplishments

Current

Software Developer (Digitalization & Automation)

Current

Denis Express B.V.

Aug 2026 - Present (2 months)

Built and maintained internal tools including an ASP.NET Core inventory app on Azure and a Python/Playwright tool for automating transport order entry. Coordinated with TMS vendor for API access and integrations.

ASP.NET Core Razor Pages SQLite Azure Python Playwright Claude APIs Google Sheets API REST APIs

Android Developer

KG Teknoloji

Oct 2024 - May 2025 (7 months)

Built the floating chat button with unread badges and refined video-call screens for Huawei's ISDP Mobile app. Implemented dynamic localization and received the Excellent Operation Award (2024).

Java XML Android Localization Video Calls Picture In Picture (PiP) Mode

Software Developer

Boer Bilişim A.Ş.

Nov 2022 - Jun 2024 (1 year 7 months)

Adapted a legacy .NET SOAP service for ERP integration and contributed to the .NET backend of an RFID asset-tracking system. Built mobile apps for Zebra RFID readers and field service.

.NET Framework SOAP REST APIs ASP.Net Web API Flutter Java Kotlin Jetpack Compose