Hi, I'm Sait Güzel.

1. Code35Current

   Software Specialist · Remote

   Aug 2026 – Present

   • Designing and building, in a two-person team, a middleware API that connects directly to the Netsis ERP database and exposes production and cost data to other systems.
   • Modelled a real-time unit cost calculation that replaced a manual process; now extending it with payroll and depreciation items.

   2 more

   • Isolated the ERP from reporting load by routing report queries to PostgreSQL materialized views; writes to the on-premise database go through a secure tunnel with transactions and audit logging.
   • Building automation workflows that read invoices, producer receipts and bank statements with LLMs, validate them and post them to Netsis.

   • Node.js
   • SQL Server (Netsis)
   • PostgreSQL
   • n8n
   • Docker
   • DigitalOcean

2. Mergenova Yazılım Ltd. Şti.

   Software Specialist

   Sep 2025 – Jun 2026

   • Built the microservice backbone used by a karaoke platform's admin panel, terminal app and mobile/web clients with .NET 9 Minimal APIs.
   • Delivered a service that generates timestamped song lyrics with a Whisper model we trained.

   2 more

   • Developed FastAPI services for note extraction, pitch analysis and LLM (Claude API) feedback on user performances.
   • Wrote FFmpeg-based video generation and performance scoring endpoints.

   • .NET 9
   • C#
   • Python
   • FastAPI
   • React
   • PostgreSQL
   • MongoDB
   • Neo4j
   • RabbitMQ
   • Serilog
   • DigitalOcean

3. Monovi Bilgi Teknolojileri A.Ş.

   Software Development Team Lead (Aug 2021 – Jul 2025) · Software Specialist (Mar – Aug 2021)

   Mar 2021 – Jul 2025

   • Promoted to team lead six months after joining; led a 5–8 person development team's technical direction, architecture decisions and project delivery for four years.
   • monligo.com — enterprise application platform on .NET 8 MVC & API, Azure App Service, Key Vault and PostgreSQL; LinkedIn / Microsoft / Google sign-in, multilingual content with Azure AI Services and Google Translate.

   4 more

   • emlaklira.com — real-estate tokenization and trading platform with Solidity smart contracts, Azure SQL Ledger, API Management and Functions.
   • Monovi Trace & ICS2 — EU ICS2-compliant data submission for logistics companies; enhancements and a reporting module for the TMS settlement system.
   • Smart Report — ETL with Azure Synapse and Power BI reporting; data-lake loading and cross-organisation data transformation layers (Azure Functions, APIM, Windows Service).
   • Corporate communication app (web + Xamarin), company website and admin panel (.NET 6 + Vue.js), and maintenance of existing web/mobile products.

   • .NET Core 3.1–8
   • C#
   • Azure
   • SQL Server
   • PostgreSQL
   • EF Core
   • Vue.js
   • jQuery
   • Xamarin
   • Power BI

4. Bilsa Yazılım A.Ş.

   Software Developer

   Jun 2016 – Aug 2017 · Mar 2018 – Feb 2021

   • okulsis.net school management system: started with Selenium test automation, then built modular sub-projects; improved the PHP (Slim) API and Cordova mobile app; wrote C# tools to update and monitor on-premise school servers.
   • web.bilsa.com.tr — platform for teachers' extra-lesson pay calculation, designed so new products plug in as modules.

   1 more

   • Desktop app managing classroom smart boards over the web with SignalR; automatic exam staff assignment system; API distributing weekly timetable data.

   • ASP.NET
   • .NET Core
   • C#
   • SQL Server
   • SignalR
   • PHP (Slim)
   • Apache Cordova
   • Selenium
   • SSRS
   • Jasper Reports

5. Çağdaş Eczacılık Hizmetleri Bilgi İşlem ve Yazılım Merkezi

   Software Developer

   Dec 2015 – Jun 2016

   • eczatakip.com — web, desktop and mobile applications for medication and patient tracking in pharmacies.

   • ASP.NET
   • Web API
   • ADO.NET
   • SQL Server
   • DevExpress
   • Windows Forms
   • Apache Cordova

Internships: Yorka Bilgisayar Yazılım (Jul – Sep 2014) · Pamukkale University IT Department (Jun – Jul 2014)