Hi, I'm Buğra
I build soulful digital productsthat blend engineering, design, and leadership.
Introduction
Overview.
Buğra Çetinkaya is a computer engineering student and software developer who cares more about foundations than trends. He builds scalable backends, designs purposeful mobile experiences, and explores AI not as a buzzword, but as a tool. He values clean architecture, discipline in code, and products that endure beyond the first release.
Full-Stack Developer
Backend & Systems
Mobile Development
Software Architecture
What I have done so far
Work Experience.
Software Engineering Intern
VBT Software
- Worked on enterprise-level software systems in a production environment.
- Contributed to backend and application-layer development, focusing on maintainability and clean architecture.
- Fixed bugs, refactored existing modules, and improved system reliability in collaboration with senior engineers.
- Participated in technical documentation, code reviews, and team discussions aligned with enterprise workflows.
- Supported testing, quality assurance, and deployment preparation processes.
Software Engineering Intern
SANShine Dijital Çözümler
- Took part in building an AI-powered port (harbor) management system, focusing on automation and real-world constraints.
- Worked on computer vision-based solutions for object detection and recognition using industrial camera feeds.
- Assisted in designing AI pipelines for vehicle and plate detection, data flow, and system integration.
- Collaborated on backend services and API integrations to connect AI outputs with operational systems.
- Contributed to performance optimization and system reliability in an AI + software hybrid architecture.
My work
Projects.
These projects highlight my experience across mobile apps, backend systems, and developer tooling. Each project reflects a practical problem solved with clean architecture and modern tooling.
hocam connect
Student-focused social media app built with Flutter. Features real-time messaging, event organization, and academic collaboration tools.
#flutter
#firebase
#mobile
Port Vision Inspection
YOLO-based port inspection desktop app with a Tkinter GUI for plate detection, container ISO number reading (ISO 6346 normalization), and seal/damage checks on images and video.
#python
#yolo
#opencv
#tkinter
University DB System
Comprehensive database management system for university operations, covering student records, course management, and administrative workflows.
#database
#sql
#education
Orderify
Microservices demo using Spring Boot, API Gateway, and PostgreSQL for an order management system.
#java
#spring-boot
#postgresql
Face Recognition
Computer vision application for facial recognition and detection using Python and OpenCV.
#python
#opencv
#ml
JCL Parser
Python script that parses JCL commands like JOB, EXEC, and DD for mainframe workflows.
#python
#mainframe
#parser
COBOL Calculator
A simple four-operation calculator written in COBOL with division-by-zero protection.
#cobol
#mainframe
#cli
MiniDB
Terminal-based database engine written in C with a Python client for simple INSERT and SELECT operations.
#c
#python
#database
Stock Analyzer
Financial data analysis tool providing technical indicators, trend analysis, and portfolio insights.
#python
#finance
#data
CLI Sorting Visualizer
Command-line tool that visualizes sorting algorithms in real time for learning and analysis.
#python
#cli
#algorithms
Latest writing
Blog.
Notes and deep dives on software engineering, systems, and the work that keeps me curious.
SQL Is Not Dead — It Evolved: From Literal Search to Semantic Retrieval
SQL Is Not Dead — It Evolved: From Literal Search to Semantic Retrieval
Mainframe: The Computer at the Heart of a Silent State
A mainframe is not just a machine; it is a mind, an architecture, an ecosystem. This post explores why mainframes still matter.
On Choosing a Database: SQL vs NoSQL? Developer Convenience, Real Costs, and Strategic Decisions
A practical and strategic guide to choosing between SQL and NoSQL databases: developer experience, costs, scalability, and real-world lessons.
Real-Time Communication in Microservices with Event-Driven Architecture
Exploring the benefits, use cases, and popular tools for event-driven approaches in microservices architectures.
AI at the Core of Hardware: The Developer Shift with Metal 4 and Android XR
From Apple's Metal 4 to Google's Android XR glasses, AI is becoming a native layer of modern hardware. Here's what it means for developers.
Redis Is More Than Just a Cache
Redis is not just a cache. It's a message queue, pub/sub system, and even a lightweight job scheduler. Here’s how I discovered its true power.
Understanding Microservices: Lessons from Building Orderify
My experience designing and implementing a microservices architecture for the Orderify project.
Getting Started with Flutter: A Student's Journey
My experience learning Flutter as a Computer Engineering student and building my first mobile app.