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Hi, I’m Youssef Ahmed a Full Stack Developer with 5+ years of experience building modern, scalable, and high-performance web applications. I specialize in end-to-end development - from frontend interfaces to backend systems, database design, and deployment. I help startups and businesses turn ideas into real, working products that are fast, secure, and built to scale. I build production-grade web and mobile systems that don't just work - they scale. With 5+ years of full-stack development experience, I specialize in backend architecture and cloud infrastructure, while delivering complete end-to-end solutions. From multi-vendor e-commerce platforms with 20+ microservices to real-time notification systems and Elasticsearch-powered search - I've shipped it and kept it running. What I build for clients •Scalable REST APIs & microservices (NestJS, Laravel, Spring Boot, Express.js) •Clean database architecture & optimization (PostgreSQL, MySQL, MongoDB) •High-performance search with Elasticsearch (<50ms response times) •Redis caching & query tuning for speed under real-world load •Cloud deployments on AWS (S3, ECS, Lambda) & Google Cloud •AI workflow automation with n8n - connect LLMs, databases, and APIs without writing glue code •Custom AI agents & LLM integration (OpenAI, Anthropic, local models) into existing systems •Full CI/CD pipelines with Docker & zero-downtime migrations •Third-party integrations: payments, external APIs, webhooks •Cross-platform mobile apps with React Native (iOS & Android) •Frontend with React.js, Next.js & Tailwind CSS Tech Stack: •Backend: NestJS · Laravel · Java Spring Boot · Express.js •Frontend: React.js · Next.js · Tailwind CSS •Mobile: React Native (iOS & Android) •Databases: PostgreSQL · MySQL · MongoDB · Redis •Cloud & DevOps: AWS · Google Cloud · Docker · CI/CD · Nginx I take ownership. I write clean, maintainable code. I document what I build. And I communicate clearly - no surprises. If you need someone who can architect your backend, lead your API layer, build your mobile app, and ship a full product end-to-end - let's talk.

Hi, I am an AI & Machine Learning Engineer specializing in Perception 3D, Computer Vision, Edge Computing, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Chatbot Development, Generative AI, Embedded Systems, and Firmware Development. Please get in touch if you need help with the following: • Machine Learning & Deep Learning model development • Computer Vision tasks like object detection, segmentation, and 3D reconstruction • Natural Language Processing (NLP) including text mining, sentiment analysis, and chatbots • Generative AI models for stock prediction, image inpainting, and virtual clothing • Time-Series Forecasting and Anomaly Detection • Firmware development for microcontrollers (ESP32, STM32, PIC) and IoT devices • Schematic and PCB design using Altium, KiCad, Eagle, and EasyEda • AWS IoT Core setup and cloud integration for IoT projects • Device driver development for various peripherals (I2C, SPI, etc.) • AI Deployment & MLOps with AWS, GCP, Docker, and Kubernetes • Data Analysis & Visualization for business intelligence Tools and technologies I use: • Python, C++, R, JavaScript • TensorFlow, Keras, PyTorch, Scikit-Learn, HuggingFace, LangChain • Zephyr RTOS, FreeRTOS, ESP-IDF • Flask, Django, Node.js • AWS IoT Core, GCP, Docker, Kubernetes • Altium, KiCad, Eagle, EasyEda • MongoDB, MySQL, PostgreSQL, Cloud SQL • Pandas, NumPy, Matplotlib, Seaborn, SciPy Do reach out if you need something other than this, I may be able to help out and guide.

Software Engineer with 5+ years of software development experience and 3+ years of professional experience. Specialized in ASP.NET Core, C#, Python, PHP, and Java, developing scalable backend systems, RESTful APIs, enterprise applications, IoT platforms, business process automation, and B2B/B2C solutions. Experienced in software architecture, database design, API development, reporting systems, Excel automation, and real-time communication technologies. Passionate about clean code, performance optimization, and building reliable enterprise software. CORE SKILLS • Backend Development • Full Stack Development • Enterprise Software Development • RESTful API Development • Software Architecture • Onion Architecture • Database Design & Optimization • Business Process Automation • IoT Systems • Power BI & Data Analysis • Technical Documentation LANGUAGES & TECHNOLOGIES Backend: ASP.NET Core, C#, Python, PHP, Java, JavaScript Frontend: HTML5, CSS3, Bootstrap, Next.js, React Native Frameworks: Entity Framework Core, ASP.NET MVC, Laravel, Django API & Messaging: REST API, SignalR, WebSocket, JWT Authentication, RabbitMQ, MQTT, Swagger Databases: Microsoft SQL Server, PostgreSQL, MySQL Tools: Git, Docker, Visual Studio, Postman, IIS, Linux Server, Windows Server Cloud: Microsoft Azure, Google Cloud Platform, Firebase, Oracle Cloud Data: Power BI, Microsoft Excel, VBA, Python Automation SELECTED PROJECTS 1. Bagcı Motor Platform Technologies: ASP.NET Core, Next.js, MSSQL, JWT Developed a corporate management platform including dealer, customer, service, appointment, campaign, payment, and reporting modules. 2. Bagcı Motor Shop (B2C) Technologies: ASP.NET Core, Next.js, MSSQL Developed an e-commerce platform with product catalog, shopping cart, order management, and payment processes. 3. Bagcı Spare Parts (B2B) Technologies: ASP.NET Core, Entity Framework Core, MSSQL Built a dealer portal featuring product management, ordering, current accounts, campaigns, reporting, and barcode generation. 4. Company Tracking System Technologies: ASP.NET Core, Entity Framework Core, MSSQL Enterprise management system covering customer, personnel, sales, accounting, complaints, reporting, and role-based authorization. 5. Project Client Team Technologies: ASP.NET Core, PostgreSQL, SignalR Team collaboration platform supporting messaging, file sharing, meetings, task management, and role-based access. 6. Hive Tracking System Technologies: ASP.NET Core, MSSQL, SignalR Developed an IoT-based beekeeping management system with hive monitoring, production tracking, maintenance records, analytics, and real-time notifications. 7. GSM Datalogger Technologies: ASP.NET Core, MQTT, MSSQL, WebSocket Real-time IoT monitoring platform providing GPS, temperature, humidity tracking, live data visualization, and device management. 8. Honey Map System Technologies: ASP.NET Core, MSSQL Developed a map-based analytics system visualizing regional production density and historical trends. SPECIALTIES • ASP.NET Core Development • REST API Design • Database Modeling • Entity Framework Core • JWT Authentication • RabbitMQ & MQTT • SignalR & WebSocket • Power BI Dashboards • Python & Excel Automation • Clean Code & SOLID Principles • Performance Optimization • UML & ER Diagrams • Technical Documentation • Git & Docker

I’m a software engineer with strong backend expertise and hands-on experience across data engineering, integrations, messaging systems, and dashboard-driven applications. My main focus is building reliable, scalable systems with .NET and Python, but my work usually goes beyond a single layer. I’ve built APIs, microservices, queue-based architectures, ETL pipelines, reporting systems, internal tools, and frontend dashboards that turn complex data into usable products. I work comfortably with ASP.NET Core, FastAPI, RabbitMQ/AMQP-based systems, PostgreSQL, MSSQL, Redis, Docker, and AWS. On the data side, I’ve worked with Python, Pandas, NumPy, Scala, and Spark for data processing, transformation, reporting, and pipeline development. When a project needs frontend support, I can also handle dashboard and admin-style interfaces with Vue.js and data visualization tools. Over the years, I’ve worked on projects involving factory analytics, IoT-style data flows, internal operational tools, reporting platforms, queue-based integrations, and full-stack systems built from scratch. I’ve helped teams improve system reliability, reduce downtime, clean up unstable architectures, and turn unclear technical needs into maintainable solutions. What I usually help clients with: - Backend API development with .NET Core / ASP.NET Core and Python / FastAPI - Microservices and distributed system design - RabbitMQ, AMQP-based communication, event-driven flows, and background job processing - ETL pipelines, reporting systems, and data transformation workflows - Spark / Scala or Pandas / NumPy based data processing - PostgreSQL / MSSQL database design and backend business logic - Dashboard and admin panel development for operational visibility - System integrations, performance improvements, and production-ready architecture How I work: - I focus on building systems that are clean, practical, and maintainable - I care about delivery speed, but not at the cost of long-term stability - I can take ownership from architecture to deployment - I communicate clearly and try to be a real technical partner, not just someone writing tickets My background is strongest in backend engineering, but I’m at my best in projects where backend, data, and product behavior need to work together properly. If you need someone who can design the architecture, build the core system, handle integrations, and make the data actually useful on the product side, I’d be glad to help.

Software developer with a strong foundation in data structures and algorithms, specializing in high‐performance systems, optimization, and purpose‐built engineering solutions. Programming Languages • C, C++, Go • Python, Lua, Bash Libraries • Pandas, NumPy, ezdxf Client‐side • HTML, CSS, JS, TS • HTMX • React, Next.js • Hugo, Astro Server‐side • Node.js, Deno • Django, FastAPI Databases • PostgreSQL • MySQL, MariaDB • SQLite • MongoDB • Redis, DynamoDB Infrastructure • Linux • Docker, Podman • Cloudflare Tools • Git (GitHub, GitLab) • Neovim Documentation • Markdown • reStructuredText • LaTeX • Typst Productivity • Microsoft Office • Microsoft Power BI Computer‐Aided Design • AutoCAD • SOLIDWORKS • Siemens NX