Joker - Sponsored Deals 2021-now
An AdTech & SaaS product built from scratch in Türkiye and scaled globally as “Global Joker,” now serving 50+ markets under localized brand names (Yemeksepeti, Talabat, Foodpanda, PedidosYa).
- Built backend APIs in Golang, .NET, and Python handling high-throughput AdTech and user behavior data.
- Led backend rewrite for Joker’s core service in Golang on GKE, reducing p99 latency by 70%.
- Contributed to frontend components using React and Angular. Launched in-house A/B Testing SDK with tracking and event validation logic, increasing revenue 87% YoY.
- Collaborated cross-functionally with engineering, data science, design, and regional teams to align product strategy with business goals and ensure smooth adoption at scale.
shmup (Shoot 'Em Up) 2025
Retro-style shooter game developed in PICO-8 fantasy console, featuring classic arcade gameplay.
- Built using PICO-8's constraints (128x128 resolution, 16 colors, 32KB code limit).
- Implemented enemy AI, bullet patterns, and scoring system.
- Created pixel art sprites and sound effects within platform limitations.
Tech Stack: PICO-8, Lua
Web API Portfolio 2019-2025
Collection of REST APIs built for technical assessments and take-home assignments, demonstrating various architectural patterns and technologies.
- Multiple projects showcasing different backend frameworks and design patterns.
- Implementations include authentication systems, CRUD operations, data processing pipelines, and more.
- Containerized applications with Docker for easy deployment and testing.
- Full-stack examples combining backend APIs with React/TypeScript frontends.
Tech Stack: Python, Node.js, .NET, Golang, React, TypeScript, Docker
Employee HR Profile, Flask + React: View on GitHub
KrakenClient, Node.js + Typescript: View on GitHub
Creosafe, Node.js + React + Graphql: View on GitHub
Xper- Product Suite 2019-2021
Microservice-based enterprise SaaS platform developed at BITES, including multiple products: XperLMS (SCORM-compliant learning management system), XperPay (payment gateway integrated with Iyzico), and XperDrive (end-to-end encrypted file management system).
- Designed and implemented microservice architectures across multiple products.
- Built backend services handling authentication, storage, payments, and real-time communications.
- Owned end-to-end development of BizBize’s core video conferencing service, handling real-time video/audio streaming, screen sharing, and chat functionalities using WebRTC.
- Made POCs and implemented features like webinars, whiteboarding, secure file sharing, and encrypted meeting modes.
- 50K concurrent users during peak usage, adopted by various government agencies and enterprises for secure communications.
- Developed frontend components for admin panels and user interfaces.
Tech Stack: .NET Core 3.1, Django, PostgreSQL, RabbitMQ, Vue.js, Docker, AWS, gRPC
Aircraft Detection AI 2020
Computer vision system for automated aircraft detection and cataloging from aerodrome surveillance imagery, developed for defense sector applications.
- Trained and fine-tuned YOLOv3 model on custom aircraft dataset for real-time detection.
- Implemented detection pipeline for processing surveillance footage and generating automated catalogues.
- Achieved production-ready accuracy for multiple aircraft types and classifications.
Tech Stack: Python, TensorFlow, YOLOv3, COCO Dataset
Supplier Decision Support System - ASELSAN 2020-2021
Enterprise supplier management platform for defense industry supply chain optimization, handling evaluation, scoring, and analytics for thousands of suppliers.
- Developed full-stack application with Django REST API backend and Vue.js frontend.
- Integrated financial data processing and decision-making algorithms for supplier evaluation.
- Implemented asynchronous task processing with RabbitMQ for large-scale data operations.
- Deployed on PostgreSQL with high-availability configuration for mission-critical operations.
Tech Stack: Django, RabbitMQ, Vue.js, PostgreSQL
War Room VR Simulator 2019-2021
Immersive virtual presence sandbox for military professionals supporting collaborative operations planning on Oculus Rift S and Quest.
- Solo developer - built complete VR application from concept to deployment.
- Implemented custom water and cloud shaders optimized for mobile VR (Android) using optical phenomena research papers.
- Integrated SWORD simulation system (MASA) via gRPC for real-time tactical data visualization.
- Delivered fully functional product independently within aggressive timeline.
Tech Stack: Unity, Oculus SDK, HLSL/Cg, gRPC, SWORD (MASA)
Riders on the Storm - Ride-Sharing Mobile Application 2018-2019
Full-stack Uber/Lyft clone built from scratch as senior project, featuring real-time ride matching, GPS tracking, and payment processing.
- Designed and developed complete application including REST API server, mobile frontend, and automated testing suite.
- Implemented real-time location tracking, ride request matching, and driver-rider communication.
- Built payment processing system and ride history management.
- Comprehensive test coverage using Mocha for API endpoints and business logic.
Tech Stack: Node.js, React Native, Mocha
Museum Corvus - a Virtual Cultural Heritage Museum 2018-2019
Immersive 3D museum experience showcasing Turkish cultural heritage. Awarded TÜBİTAK 2209-B Research Grant in 2019.
- Collaborated with team of three in deadline-driven environment using JIRA for project management.
- Implemented interactive exhibits, navigation systems, and historical information displays.
- Used Git for version control and code collaboration.
- Received national research grant for project quality and cultural impact.
Tech Stack: Unity3D, C#, JIRA, Git
Personal Projects
move-the-fan - a hyper casual mobile game 2019
Mobile game developed during job search period, featuring simple mechanics and addictive gameplay loop.
- Solo developer - full game design, development, and asset creation.
- Implemented core gameplay mechanics, UI/UX, and progression systems.
- Optimized for mobile performance and battery efficiency.
Tech Stack: Unity, C#
silivribot - a Discord Bot for checking weather 2020
Real-time weather checking bot for Discord servers, providing current weather information and forecasts.
- Prints out real-time weather data for requested locations.
- Integrated with weather API for accurate and up-to-date information.
- Supports multiple commands and location formats.
Tech Stack: [Python/Node.js]