Selman Altinay
Senior .NET full-stack developer – ERP, e-commerce & AI
Over Selman
I'm Selman Altinay, a Belgium-based software engineer (Rui Codex, Tielt-Winge) building business software end to end: web applications and APIs in C#/ASP.NET Core with SQL Server or PostgreSQL, and integrations between systems that don't talk to each other. Delivered work includes a modular web ERP (purchasing, sales, export, finance, warehouse), real-time sync between marketplaces (Trendyol, Hepsiburada, N11) and Netsis accounting with automated e-invoices and e-waybills, a PrestaShop pipeline to accounting and four carriers, PLC/SCADA data collection for a machining facility, and EveryTranslate, the AI translation SaaS that Rui Codex built and operates. Rui Codex also publishes its own apps and games on Google Play. I also offer Odoo implementation and customisation, and AI/n8n workflow automation. I work async-first in writing (English, Turkish, basic Dutch), in short milestones, and the client owns the code.
Skills: C#, ASP.NET Core, .NET, SQL Server, PostgreSQL, REST APIs, Azure, Docker, Python, Hangfire, OpenAI / Azure...
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