Locaffy
Location-based restaurant discovery and reservation platform.
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Mehmet Enes Varım
Backend Developer · Computer Engineer
I am a computer engineer. On the backend side I work with Java and Spring Boot. I also build projects with C#/.NET and ABP Framework, and keep broadening my experience across different technologies. I take part in the various stages of development, from database design through to putting the application into production.
About
I graduated in Computer Engineering from Trakya University. I work on backend development, mainly with Java and Spring Boot, and also run projects with C# / .NET and ABP Framework. Rather than simply finishing the task handed to me, I prefer to be involved in how the architecture is built — from the database schema to the API design.
So far I have worked on RESTful services, microservice architectures and third-party API integrations. I automate repetitive operational work with n8n. On the deployment side I use AWS and Docker; keeping a service running in production is as much my responsibility as writing it.
Besides the backend, I also work on the data and machine learning side with Python. I have built projects training clustering and recommendation models with PyTorch and scikit-learn.
I usually learn a new technology by trying it out on a small prototype. Faced with a problem, I go for the solution that works and stays easy to maintain over time, not the flashiest one.
Experience
YAZ Bilgi Sistemleri
Software Development Intern
- Built a library automation application on a multi-tenant architecture with ABP Framework (.NET).
- Wrote CRUD services, DTOs and authorization definitions across the Domain, Application and EF Core layers.
- Managed the SQL Server schema through migrations.
- Set up an in-app chat assistant and automated overdue-notification emails with the Google Gemini API.
C# · .NET · ABP Framework · EF Core · SQL Server · Gemini API
Kafein Technology
Back-end Developer Intern
- Built a Java client library that simplifies Keycloak management in Spring Boot projects.
- Designed a fluent interface covering 212 endpoints of the Keycloak Admin API.
- Split user, role, client, realm and authentication flow management into modular services.
- Added Spring Boot auto-configuration so the library integrates into projects as a single dependency.
Java · Spring Boot · Keycloak · REST API · Maven
Brave
Back-end Developer
- On a team I joined voluntarily while still studying, we built the backend of web and mobile applications with Java and Spring Boot.
- Developed RESTful APIs, took on database management and set up integrations with external systems.
- Built the REST services behind QRiend’s QR-based venue check-in and interaction flows, along with its WebSocket-based real-time messaging infrastructure.
- Ran deployment on AWS EC2 and handled media management with S3.
- We coordinated with other teams to keep the services maintainable in the long run.
Java · Spring Boot · MySQL · AWS · REST API
Education
Trakya University
Computer Engineering · Bachelor's
Technologies
Backend
Java, Spring Boot, C# / .NET, ABP Framework, Hibernate / JPA, RESTful API, Python
Database
MySQL, PostgreSQL, SQL Server
Cloud & DevOps
AWS (EC2, S3, RDS), Docker
Tools & Libraries
Git, Swagger / OpenAPI, Postman, Maven, Gradle
Frontend
React, React Native
Machine Learning
PyTorch, scikit-learn, Pandas, NumPy
Automation
n8n (Workflow Automation)
Projects
Keycloak Client Library
Keycloak management library for Spring Boot projects.
Football Player Analysis
Clustering players by playing style and recommending similar ones.
QRiend
QR-code based social connection and messaging app.
Collab — Admin & Task Management System
Admin panel with user authorization and task tracking.
