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sbugrayy/README.md
Buğra Yıldırım — Backend Developer

Portfolio LinkedIn Hugging Face Kaggle YouTube

👋 About me

I'm a backend developer who builds the APIs and services behind products — and lately, the AI that runs inside them: RAG pipelines, LLM agents and computer vision models.

  • 🔭 Currently building an ASP.NET Core Web API for a finance & invoicing app (internship)
  • 🧠 I ship RAG systems and MCP servers, and fine-tune my own models when an external API isn't the right fit
  • 🏆 TechXtile Challenge Level-Up finalist · TEKNOFEST competitor (UGV control station, AI in Aviation) · MTA AI Specialization capstone: multi-sensor anomaly detection on UAV telemetry
  • 💬 Don't feel like reading? Chat with my AI clone instead

⚙️ Backend

  • Finance & invoicing API (internship · private) — ASP.NET Core Web API serving a Flutter app: database-first EF Core on SQL Server, JWT authentication on top of ASP.NET Identity.
  • The APIs behind my AI projects — an ASP.NET Core Minimal API with SSE streaming (foundry-local-rag-agent), a FastAPI service on Hugging Face Spaces (Portfolio) and a Dockerized MCP server (story-to-music).

🧠 LLM & RAG

BUĞRA.AI — Portfolio · live ↗
RAG-powered AI avatar: visitors chat with my digital clone instead of reading a CV. Hybrid retrieval (multilingual embeddings + BM25, fused with RRF) checked by an offline eval suite.
FastAPI LangChain ChromaDB Groq React Three.js

foundry-local-rag-agent
100% on-device agentic RAG: chat with Word/PDF/Excel files with source citations and generate Word/Excel/PDF reports. Built during the Microsoft Foundry Local Summer School.
.NET 10 ASP.NET Core Semantic Kernel Foundry Local SQLite

story-to-music · demo ↗
MCP server that turns Turkish stories into Suno/Udio prompts and structured lyrics with two fine-tuned mT5 models — no external API.
Python MCP mT5 Hugging Face Docker

👁️ Computer Vision

SFDDS · 🏆 TechXtile Challenge Level-Up finalist
Textile defect detection on the ZJU-Leaper dataset with YOLOv7, YOLO11 and YOLO26, exported to ONNX for real-time use.
PyTorch Ultralytics OpenCV ONNX

TURANOVA · TEKNOFEST 2026 AI in Aviation (private)
Autonomous image processing system: YOLO11 object detection, visual odometry and DINOv2-assisted cross-modal reference matching.
YOLO11 DINOv2 Visual Odometry

Brain Tumor MRI Classification · Akbank Deep Learning Bootcamp
Four-class brain tumor classification on ~7,000 MRI scans with a CNN baseline and EfficientNetB0 fine-tuning, explained with Grad-CAM.
TensorFlow Keras Grad-CAM

📱 Mobile

Sağlıkla
AI health companion for diabetes and celiac patients: barcode scanning via OpenFoodFacts, Gemini-powered food analysis from photos, meal and hydration tracking.
Flutter Firebase Gemini

Vakit
Prayer times and Qibla compass app for Android.
Kotlin Jetpack Compose Room Retrofit

🛠️ Tech stack

Backend C#, .NET, Python, FastAPI, Docker, SQLite
ASP.NET Core · EF Core · SQL Server · REST · SSE · JWT
AI / ML PyTorch, TensorFlow, scikit-learn, OpenCV
LangChain · Semantic Kernel · Hugging Face · Ultralytics YOLO · ChromaDB
Mobile Flutter, Dart, Kotlin, Android Studio, Firebase
Bloc · Jetpack Compose · Room · Retrofit

📈 GitHub activity

Most used languages

Snake eating my contribution graph

Pinned Loading

  1. IkaApp IkaApp Public

    This project is an advanced control and monitoring system developed for the Teknofest IKA competition.

    Python 2

  2. SFDDS SFDDS Public

    Smart Fabric Defect Detection System & TechXtile Challenge Level-Up Finalist

    Jupyter Notebook 4

  3. Portfolio Portfolio Public

    RAG-powered AI avatar portfolio — chat with my digital clone instead of reading a CV. Built with FastAPI, LangChain, ChromaDB, Three.js, and Tone.js.

    JavaScript 3

  4. Saglikla-App Saglikla-App Public

    AI-powered health companion for Diabetes and Celiac management. Features barcode scanning with OpenFoodFacts, visual food analysis via Gemini, and personalized nutrition tracking built with Flutter…

    Dart 3

  5. foundry-local-rag-agent foundry-local-rag-agent Public

    Fully local agentic RAG document-intelligence dashboard - Microsoft Foundry Local + Semantic Kernel + .NET 10. Chat with Word/PDF/Excel docs and generate reports, 100% on-device.

    C# 2

  6. uav-telemetri-anomali uav-telemetri-anomali Public

    Bu proje, Milli Teknoloji Akademisi Yapay Zeka Uzmanlık Eğitimi kapsamında bitirme projesi olarak geliştirilmiştir.

    HTML