Freelancers using Go in İstanbul
Freelancers using Go in İstanbul
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Mahmut Düzen
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İstanbul, Turkey
Founding AI Engineer & Product Architect
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Founding AI Engineer & Product Architect
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PlaySense — AI Sports Analytics & Player Tracking Computer vision platform that autonomously tracks football players and generates performance analytics from amateur match footage. Technical capabilities: Multi-camera video stitching and synchronization Real-time player detection and tracking with YOLOv8 + DeepSORT Action recognition pipelines for pass, shot, and tackle detection Player heatmap generation and distance metrics OCR-based jersey number recognition for player identification Solved real-world challenges: occlusion handling, jersey similarity, motion blur Stack: Python, PyTorch, TensorFlow, OpenCV, YOLOv8, DeepSORT, FastAPI, PostgreSQL, MongoDB, Docker. Role: Computer vision engineer. Designed video intelligence pipelines, implemented detection and tracking algorithms, developed analytics outputs.
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Personalitic — AI-Powered Synthetic Persona & Ad Simulation Platform Multi-tenant SaaS platform that simulates marketing campaign performance using synthetic personas and reinforcement learning. Designed for marketing teams to test campaigns before launch. Platform capabilities: Multi-tenant SaaS combining commercial product modules with AI orchestration Synthetic persona simulation workflows for campaign scenario analysis Reinforcement learning pipelines to simulate ad performance outcomes Subscription, usage tracking, and tenant management infrastructure Real-time analytics dashboard for campaign insights Stack: Node.js, TypeScript, Python, PyTorch, Nuxt 3, PostgreSQL, Redis, Docker, GraphDB. Role: Founding engineer and architect. Designed multi-tenant SaaS infrastructure, built persona simulation engine, implemented RL pipelines, developed backend services.
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AhiCommerce — AI-Powered Multi-Tenant E-Commerce Platform Architected and built a comprehensive e-commerce platform integrating 30 AI/ML models for retail intelligence. Solo development from concept to production deployment. Platform capabilities: 13 microservices handling product catalog, orders, inventory, recommendations 30 integrated AI models: product matching, price optimization, demand forecasting, customer segmentation, fraud detection Multi-tenant architecture supporting isolated workspaces Real-time analytics with ClickHouse for billion-row aggregations Multi-currency, multi-language support Stack: .Net Core, TypeScript, Python, PostgreSQL, MongoDB, ClickHouse, Redis, RabbitMq, Docker, Kubernetes, gRPC. Role: Sole architect and engineer. Designed the entire platform, built all 13 microservices, integrated all AI models, and deployed production infrastructure.
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PromptWall — Enterprise AI Security Platform Multi-tenant AI security firewall protecting enterprise LLM usage. Built end-to-end as sole architect and engineer: 34 modules, 5 custom Python AI models (NER, Embedding, Injection Detection, Toxicity, OCR), multi-tenant control plane. Key features: Multi-LLM integration with circuit breaker pattern (OpenAI, Anthropic, Google, Ollama, vLLM), semantic DLP using pgvector + HNSW indexing, document protection with OCR-based image analysis, browser/editor/CLI/agent guard surfaces. Stack: Node.js, TypeScript, Python, PostgreSQL with pgvector, gRPC, Next.js, Docker, ClickHouse. https://promptwall.net
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