Building scalable backend systems and AI-powered applications. Experienced in multi-tenant architectures, secure REST APIs, and production-grade computer vision pipelines.
Built and deployed an enterprise coaching platform from scratch. Multi-tenant architecture with 60+ REST endpoints, JWT-based RBAC, assessment engines, SMART goal tracking, admin dashboard, and event-driven email notifications. Managed full lifecycle: infrastructure, DNS, security hardening, backups, and cloud storage.
Integrated healthcare platform including patient and staff mobile apps, admin desktop panel, and Spring Boot backend. Designed for low-infrastructure environments with real-time navigation and emergency coordination capabilities.
Full-stack platform for discovering pet-friendly venues in Turkey. Includes a Spring Boot REST API, Flutter mobile app for users and venue owners, and a React web app. Engineered with JWT/Argon2id security, TOTP 2FA, rate limiting, and automated backups.
Workforce management platform for logistics operations. Hierarchical admin roles, secure task assignment, payment tracking, and worker verification. Scalable REST backend with React dashboard.
Deep learning pipeline classifying 89 aircraft types across 38,826 images using EfficientNet-B4. Achieved 92.86% Top-1 accuracy with weighted loss and aggressive augmentation to address class imbalance. Full evaluation pipeline and production-ready inference.
Production-ready chatbot platform built with Spring Boot and React, powered by Llama3 via Ollama. Features JWT auth with TOTP 2FA, Redis caching, multi-level admin panel, session and project management, public chat sharing, 8-layer prompt injection protection, and automated daily database backups. Fully Dockerized.
Comprehensive research into maritime horizon detection spanning traditional CV (K-means, contour detection) through deep learning. Best results with a 3-class U-Net (sky/water/object) integrated with RT-DETR for real-time object-aware segmentation, pixel/physical distance estimation, and support for video, webcam, and static image inputs.
Comprehensive security analysis of arelim.arel.edu.tr. Identified unauthorized access, data leaks via REST APIs, XSS vulnerabilities, and SQL injection. Detailed exploitation scenarios and OWASP-based mitigations. Advised by Asst. Prof. Dr. Tugberk KOCATEKIN.
Full-stack web app where users create flashcard sets and share them publicly or with friends. Secure auth: JWT, salts, pepper, Argon2. Friends system and admin dashboard.
Secure ASP.NET Core MVC app simulating AI content detection while scanning uploaded files and archives for leaked API keys, tokens, and secrets.
Full-stack e-commerce with unit tests, validations, auth, security, responsive design, and Swagger API documentation.
Server-side rendered library system with JWT auth, Argon2 hashing (salting + peppering). Books, users, and loan management.
Full-stack todo app with unit tests, validations, auth, security, responsive design, and Swagger API documentation.
3-page app (Pokémons, Details, Battles) using PokéAPI. Responsive design with Bootstrap and vanilla JS.
5 main pages of Instagram: home, explore, reels, messages, profile. Fully responsive, built with ReactJS.
5 main sections of Facebook: home, friends, video, marketplace, gaming. Fully responsive, built with ReactJS.
AI-powered Flutter app with chatbots (Gemini + OpenAI), face analysis (emotion, age, gender recognition), and document translation tools.
Register, login, add friends, share todos. Could be extended into a Notion-like page system with TypeScript and Firebase.
Logs into Arel UZEM, scans courses for downloadable lecture content, and auto-downloads new files into the appropriate local folders.
Whois & IP lookup, path scanning, reverse lookup, OWASP Top 10 scanning (SQL injection, XSS, etc.). Generates a Markdown report with all findings.
Super app with classic arcade games re-coded in Python: Space Invaders, Snake, Pacman, Tetris, Flappy Bird.
An "extremely different" version of the classic Space Invaders arcade game.