Mücahid Sezgin Arslan

1. Software Engineering Intern · Baykar Technologies

   Aug 2026 – Oct 2026 · Istanbul

   • Developed Go-based backend services in a microservices architecture using PostgreSQL, Redis and Docker.
   • Implemented user-specific real-time data streaming with Server-Sent Events (SSE), with secure event filtering and data isolation.
   • Contributed to AI-powered comment classification features using Python and FastAPI.

2. Candidate Software Engineer · TÜBİTAK BİLGEM YTE

   Oct 2025 – Jul 2026 · Ankara

   • Developed and maintained backend services using Java and Spring Boot.
   • Implemented frontend features with Next.js and React, integrating RESTful APIs.
   • Wrote and maintained unit and integration tests, and end-to-end UI tests with Cypress.
   • Worked in Agile workflows with Jira for sprint planning and issue tracking.

3. Software Engineering Intern · TÜBİTAK BİLGEM YTE

   Jul 2025 · Ankara

   • Developed RESTful APIs with Java, Spring Boot, JPA and Hibernate for a Personnel Management System, with JWT-based authentication, user management and role-based access control.
   • Built responsive UI with Next.js, TypeScript and Tailwind CSS on top of PostgreSQL-backed services.

4. Intern · Nanodems

   Aug 2024 · Ankara

   • Developed backend services with ASP.NET Core Web API and Entity Framework Core.
   • Implemented Azure Entra ID authentication integration.
   • Contributed to a microservices-based architecture; applied dependency injection and middleware.

5. Volunteer Intern (Test Engineer) · Neokod Ar-Ge Software

   Oct 2023 – Mar 2024 · Ankara

   • Performed functional, regression and user-acceptance testing before production releases.
   • Automated test scenarios using Java, Selenium and Appium; prepared test reports.

6. Volunteer Intern · Bilicisoft Information and Defense Technologies

   Jul 2023 – Sep 2023 · Ankara

   • Contributed to backend development with ASP.NET Core Web API.
   • Implemented a data access layer with Entity Framework and LINQ; applied AutoMapper and Autofac.

More projects

• Maps For Everyone

  GitHub

  Accessible navigation for visually impaired users. Spring Boot REST services fetch public-transit and walking routes from the Google Maps Directions API and add text-to-speech guidance; Python scripts preprocess route data and drive automated tests.

  JavaSpring BootMavenPythonGoogle Maps APITTS

• Account Manager System

  GitHub

  Secure account management system on .NET 8 with a layered architecture, Azure Entra ID authentication, role-based access control and Entity Framework Core data access.

  .NET 8Azure Entra IDEF CoreRESTSQL

• Smart Irrigation System

  ESP32 firmware (Arduino framework) reading soil moisture, temperature and humidity, rain and water-flow sensors to drive solenoid valves for drip irrigation. Designed for solar-powered operation, streaming data to Firebase for remote monitoring from a mobile app.

  ESP32ArduinoFirebaseIoT

• Traveling Salesman Solver

  GitHub

  Graph theory course project that solves the Traveling Salesman Problem on real Google Maps data, optimising for time, distance or fuel (including elevation), and visualises routes with NetworkX.

  PythonNetworkXGoogle Maps API

• Library Application Backend

  GitHub

  Modular library management backend with a multi-layered .NET Core architecture, Entity Framework Core and SQL Server: book, category and reader management with filtering.

  C#.NET CoreEF CoreSQL Server

• UAV image processing

  Image-processing team member in the Gazi Modern Defense Technologies student community for the 2023 Free Mission International UAV project, using Python, OpenCV and NumPy.

  PythonOpenCVNumPy

Languages

JavaGoPythonC#TypeScriptJavaScriptSQLC

Backend

Spring BootGo FiberASP.NET CoreFastAPIJPA / HibernateEntity Framework

Frontend

ReactNext.jsTailwind CSSHTML / CSS

Databases

PostgreSQLMongoDBRedisMySQL

Tools and concepts

DockerGitMavenREST APIsMicroservicesSSEJiraPostman

Testing

Unit and integration testingCypressSeleniumAppium

• GPA 3.17 / 4.00
• Thesis: MedCase, an AI-powered clinical case education platform

• Email: arslan.mcahid@gmail.com
• GitHub: github.com/arslanmcahid
• LinkedIn: Mücahid Sezgin Arslan