Hello! I'm Patrick Cohen, a driven individual with years of hands-on hardware and software experience gained by working on embedded systems, IoT, and data analytics projects. I have worked with different microcontrollers, circuitry, and various modules. I have worked on projects that have included parts such as: Microcontrollers: - Esp32 (WiFi, BLE, IoT Cloud Services Integration) - NRF Nordic Semiconductor - Esp8266 (WiFi, IoT) - Arduino (Uno, Mega, Nano, Micro, Nano 33 BLE) Microcomputers: -Raspberry Pi -Jetson Nano -Jetson Xavier NX Additional Modules: -Adafruit RFM95W LoRa Radio Transceiver Breakout -HC-05 Bluetooth module -SH-HC-08 Bluetooth Low Energy module -GSM Cellular Module -NRF24L01 Wireless Transceiver -Ultrasonic sensor (Detect distance) -LM35 Temperature Sensor -RFID Wireless Card -Relay modules -Servos -DC Motors I have also worked on projects that contain the following functionalities: -Android application development to control Arduino circuit via Bluetooth and WiFi. -Analog circuits to control the level of power through the motor. -HBridge motor driver for opposite motor polarity (clockwise and counterclockwise rotation). -Solar-powered microcontroller projects that have implemented deep sleep code for prolonged operation.

Skilled 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 Engineer. I work mainly with Microsoft tools. Create strong, growing, and fast web applications using 𝐂# and .𝐍𝐄𝐓, along with modern ways to build the front end, like 𝐀𝐧𝐠𝐮𝐥𝐚𝐫 and 𝐑𝐞𝐚𝐜𝐭. I know all parts of making an application, from how the data is stored and how it's shared, to making good-looking and easy-to-use interfaces. 𝐈 𝐡𝐚𝐯𝐞 𝐰𝐨𝐫𝐤𝐞𝐝 𝐰𝐢𝐭𝐡 𝐯𝐚𝐫𝐢𝐨𝐮𝐬 𝐟𝐢𝐞𝐥𝐝𝐬, 𝐢𝐧𝐜𝐥𝐮𝐝𝐢𝐧𝐠: 🛒 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞: I have made and improved online shops. This includes connecting payment systems (like Stripe, PayPal), making shopping carts work, and managing what is in stock. I have made these shops work better, so more people buy things. (Example: Increased average order value by 15% through personalized product recommendations.) 💳 𝐅𝐢𝐧𝐭𝐞𝐜𝐡: I have built safe money applications, like online banks, payment systems, and ways to see financial data. I made sure these followed the rules and were very secure. 🏥 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞: I have created applications that follow health rules for managing patients, booking appointments, and keeping health records. I focused on making these easy to use and keeping the data safe. 🚚 𝐋𝐨𝐠𝐢𝐬𝐭𝐢𝐜𝐬: I have designed applications for planning the best routes, tracking where things are, and managing how goods are moved. This has made deliveries much more efficient. (Example: Reduced delivery times by 20% with optimized routing algorithms.) In addition, I have built and looked after many 𝐒𝐚𝐚𝐒 applications using .NET. 🛠️ 𝐓𝐡𝐚𝐭’𝐬 𝐰𝐡𝐚𝐭 𝐈’𝐦 𝐬𝐤𝐢𝐥𝐥𝐞𝐝 𝐢𝐧: 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: C#, .NET Framework, .NET Core, ASP.NET (MVC, Web API), Entity Framework, SQL Server, RESTful API design and development, Web API, gRPC, Dependency Injection, LINQ, ORM 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: JavaScript, TypeScript, Angular, React, HTML5, CSS3, State Management (Redux, NgRx), UI/UX Design, Responsive Design, SPA 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: SQL, NoSQL, Database Design, Stored Procedures, Optimization 𝐂𝐥𝐨𝐮𝐝: Azure, AWS, Docker, Kubernetes 𝐎𝐭𝐡𝐞𝐫: Git, Agile, CI/CD, Unit Testing, Microservices Architecture, WebSocket 𝐋𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤 about what you need and how my skills can help you succeed. Please contact me to discuss your project! 𝐁𝐞𝐬𝐭 𝐰𝐢𝐬𝐡𝐞𝐬, 𝐎𝐫𝐞𝐬𝐭 Below are mentioned keywords so you could find me easier :) .NET Core, .NET Framework, .NET Web API, .NET to Laravel migration projects, AI App Development, AI design tools, API, API Development, API Integration, API microservices, ASP.NET, ASP.NET 4.8 Web Forms, ASP.NET Core, ASP.NET MVC, ASP.NET Web API, Angular, Angular 15+, AngularJS, Auth0, Blazor, Bootstrap, Bruno, C#, C++, CSS, CSS3, Database Design, Database Development, Database Optimization, Desktop Application, Docker, Domain-Driven Design, Entity Framework, Excellent communication and collaboration abilities, Figma, Sketch, or similar, Front-End Development, Full-Stack Development, GDPR, Google Calendar API, GraphQL, HTML, HTML5, JSON, Java, JavaScript, Microservice, Microsoft Azure, Microsoft IIS, Microsoft SQL Server, Microsoft SQL Server Programming, Microsoft Visual Studio, MongoDB, MySQL, Network programming, Node.js, Nuxt.js, PHP, PostgreSQL, Proven track record of large-scale platform redesign projects, Python, QWBC, QuickBooks Enterprise, RESTful API, React, React Native, Responsive Design, Salesforce App Development, Salesforce Lightning, SEO optimization, Software Architecture & Design, SQL, Strong analytical and problem-solving skills, Telerik, TypeScript, UX & UI, User Interface Design, VB.NET, Web Application, Web Design, Web Development, Web development principles, Windows App Development, XML, Adobe Photoshop, Amazon EC2, Amazon Web Services, Azure DevOps, jQuery, backend.

*** 100% Job Success Rate *** *** Top Rates Plus *** *** 4400+ Hours *** *** Working with clients for long term *** With over 7+ years of experience in software development and cloud technologies, I am a passionate Cloud DevOps Engineer and Fullstack Developer with hands-on expertise in building, deploying, and managing scalable applications across the entire software development lifecycle. On the development side, I specialize in .NET Core, MVC, and C# for building robust backend APIs, along with Blazor for interactive web experiences. I also work with modern frontend frameworks including Angular, React, and Vue.js to deliver responsive and dynamic user interfaces. On the DevOps and Cloud side, I bring strong expertise in designing and implementing CI/CD pipelines using Jenkins and Azure DevOps, automating infrastructure with Terraform and Ansible, and containerizing applications with Docker and orchestrating them using Kubernetes. I have practical experience working with both Azure and AWS cloud platforms, along with Linux server administration. I also focus on monitoring and observability using tools like Grafana to ensure system reliability and performance. Additionally, I leverage Python for scripting, automation, and building efficient DevOps workflows. Over the course of my 7+ year career, I have worked on diverse projects that have strengthened my ability to bridge the gap between development and operations, delivering high-quality software faster and more reliably. I am a firm believer in continuous learning, clean code practices, and building systems that scale. Development: .NET Core | MVC | C# | RESTful APIs | Blazor | Angular | React | Vue.js Cloud & Infrastructure: Azure | AWS | Linux | Terraform | Ansible DevOps & CI/CD: Jenkins | Docker | Kubernetes | CI/CD Pipelines Monitoring & Scripting: Grafana | Python Thanks

I build AI-powered systems that automate work, process information intelligently, and scale reliably in production. Most businesses today are trying to add AI to existing software. The problem is that AI alone rarely creates value. The real challenge is integrating AI into business workflows, data pipelines, backend systems, and automation processes that deliver measurable results. That's where I focus. I design and develop AI-powered applications, backend platforms, automation systems, and cloud architectures that help organizations reduce manual work, accelerate decision-making, and operate more efficiently at scale. Core Expertise:- • AI Integration & Automation • AI-Powered SaaS Platforms • OpenAI Integration (GPT, Assistants, Embeddings) • Retrieval-Augmented Generation (RAG) • Semantic Search Systems • AI Assistants & Workflow Automation • Email Automation & Classification Systems • Enterprise Backend Architecture • High-Performance APIs & Distributed Systems • Cloud-Native Application Development AI Engineering Stack:- • OpenAI (GPT, Assistants, Embeddings) • LangChain • Prompt Engineering • RAG (Retrieval-Augmented Generation) • Semantic Search • Vector Databases • MongoDB Atlas Vector Search • Pinecone • AI Classification Systems • AI Workflow Automation • Knowledge Retrieval Systems Backend Development:- • C# • .NET Core • ASP.NET Core • REST APIs • Microservices Architecture • Entity Framework Core • Dapper • SignalR • Background Services • Distributed Processing Systems • Message-Based Architectures Frontend Development:- • ReactJS • Blazor WebAssembly • Razor Pages • JavaScript • HTML5 • CSS3 Cloud & DevOps:- • Microsoft Azure • AWS • Docker • Kubernetes • CI/CD Pipelines • Azure DevOps • GitHub Actions Databases:- • SQL Server • PostgreSQL • MongoDB • Redis • Vector Databases What I Build:- • AI-Powered SaaS Platforms • AI Assistants & Internal Productivity Tools • Email Processing & Classification Systems • Workflow Automation Platforms • Knowledge Management Systems • Semantic Search Applications • Document Intelligence Solutions • Enterprise Backend Systems • API Platforms & Integrations How I Approach Projects:- I don't think in terms of features. I think in terms of systems. Every decision starts with understanding how information moves through a business, where time is being wasted, which processes can be automated, and how technology can create leverage. The result is software that is easier to maintain, cheaper to operate, and capable of supporting long-term growth. If you're building an AI product, modernizing an existing platform, automating business workflows, or creating intelligent software powered by OpenAI and modern cloud technologies, I'd be happy to discuss your project.

Experience of developing desktop and web applications using C# .Net ,MVC and .Net Core. We believe in going the extra mile to make sure that client is getting what they need and working together with them to find the best solution for their needs. My desktop development experience focuses on automation and web scrapping, enabling businesses to save time and improve efficiency. For web applications, I have developed inventory management and CRM systems using ASP .NET, ASP .NET CORE and ASP .net Web Forms In addition I have experience working on Linux and managing AWS services such as EC2,RDS and S3

With 5+ years of experience, I help clients build scalable systems, automate processes, and turn data into actionable solutions that deliver real results 💡 What I Can Do For You 🔹 Web Development Build responsive and efficient applications using HTML, CSS, JavaScript, PHP, & Java 🔹 Automation & Scripting Automate repetitive tasks and workflows using Python, PowerShell & Bash 🔹 Desktop Applications Develop powerful and user-friendly desktop tools with Python & C# 🔹 Data Extraction & Web Scraping Extract, process, and analyze data using Python, Selenium, BeautifulSoup, Requests, & Pandas 🎯 Why Clients Choose Me ✔ Clean, maintainable, and scalable code ✔ Fast delivery without compromising quality ✔ Strong problem-solving mindset ✔ Clear and responsive communication ✔ Focus on real business value (not just code) ✔ 100% client satisfaction 🤝 Let’s Work Together If you're looking for someone who can understand your problem and turn it into a working solution, feel free to reach out. I’d be happy to discuss your project 🚀

ABOUT ME I am an Electrical and Computer Engineer with strong multidisciplinary experience in embedded systems, PCB design, industrial automation, software development, and network engineering. I specialize in transforming ideas into practical, reliable, and scalable technical solutions. My experience covers the full development cycle, from hardware design and firmware programming to backend development, automation, and system integration. I am passionate about building efficient systems that solve real-world problems, and I take pride in delivering quality work with professionalism, precision, and on-time execution. My expertise includes: ✅ Embedded Systems and Firmware Development • Nordic nRF series, Arduino, ESP32 series, STM32 series, ESP8266, NodeMCU, Raspberry Pi series and custom microcontroller platforms and custom microcontroller platforms. • Embedded C, C++, and MicroPython • Zephyr RTOS and nRF Connect SDK development for Nordic nRF platforms • ESP-IDF and Arduino-based firmware development • USB, UART, I2C, SPI, CAN, Wi-Fi, Bluetooth, LoRa, MQTT, OPC UA, Zigbee, and Cellular communication ✅ PCB Design and Hardware Engineering • Schematic and PCB design up to 10 layers • Advanced PCB Layout (Altium, KiCad, Eagle, Allegro) • 3D CAD modeling and Enclosure Design • Custom footprint, symbol, and library creation • Compact and production-ready hardware design • Gerber, BOM, and manufacturing file preparation • Hardware and firmware co-design ✅ Industrial and Workflow Automation • Siemens PLC programming • SCADA systems • Industrial IOT automation • Python and Shell scripting for workflow automation ✅ Software Development • MERN stack web development • Backend: Node.js and Django Frontend: React, vue js Database: MongoDB, Couchdb, PostgreSQL, and MySQL • C, C#, C++, JavaScript, and Python ✅ Network Engineering • Packet Tracer and GNS3 simulation • Router, switch, and VPN configuration • pfSense firewall and network security

Senior Full Stack Engineer with 6+ years of production experience building SaaS platforms, web apps, and APIs across the .NET / Angular / React / Azure stack. Top Rated on Upwork with a 100% Job Success Score across 28+ contracts. I've also been expanding into Python (FastAPI / Flask) and applied AI/ML — adding LLM features, RAG, and data pipelines to existing products. It's important to me to build long-term relationships with clients, so I'm primarily looking for long-term projects. My skills include: ✔️ Back-end: .NET 8 / C#, ASP.NET Core MVC/MVVM, Web API, SignalR, Razor, WPF, LINQ ✔️ Front-end: Angular, React, TypeScript, JavaScript, jQuery, HTML5, CSS, Bootstrap, Tailwind ✔️ Python: FastAPI, Flask, Pandas, NumPy, scikit-learn ✔️ AI / ML: OpenAI API, LangChain, LLM integration, RAG basics, prompt engineering ✔️ Cloud: Microsoft Azure — App Service, Azure Functions, Azure SQL, Cosmos DB, Azure DevOps ✔️ ORM: Entity Framework Core, Dapper ✔️ Database: SQL Server, MongoDB, PostgreSQL, MySQL, Redis ✔️ Architecture: REST API design, microservices, real-time (SignalR / WebSockets), auth (OAuth / JWT), payment integration (Stripe) ✔️ Tooling: Visual Studio, VS Code, Git, Azure DevOps, Docker ✔️ Process: Agile, Scrum, Kanban Expertise: ✔️ Web Development — REST Web API, ASP.NET Core, Angular, React ✔️ Cloud & Backend — Azure App Service, Web Servicer, Functions, SQL, AKS, Entra ID ✔️ Python + AI Add-ons — Flask / FastAPI services, OpenAI / LangChain integration, light data pipelines Send a message with your goal in two sentences, or book a consultation and we'll scope it together.

🚀 Automation Expert | Software Developer | API Integration Specialist Hello! I'm Rais Patel, a seasoned automation engineer and software developer with 17+ years of experience crafting intelligent, high-performance solutions. I specialize in streamlining workflows, optimizing databases, and integrating APIs to enhance efficiency and scalability. 🔹 Expertise in: C# | VB.NET | VBA | Google Script | MSSQL | MySQL | ASP.NET MVC | API Integration | AWS (API Gateway, Lambda) | SSRS | SAP VBA Scripting | Odoo API | Infor Visual ERP Macro & Report Design | Gupta Report Builder 💡 Whether it's automating repetitive tasks, designing robust database solutions, or integrating complex APIs, I bring precision, innovation, and reliability to every project. My solutions save time, reduce errors, and boost productivity. ✅ What I Offer: ✔ Automation development that eliminates inefficiencies ✔ Seamless API integration to connect multiple platforms ✔ Scalable database design & optimization for top performance ✔ Custom scripting to enhance ERP & cloud-based applications ✔ Hands-on expertise with AWS, SSRS, and enterprise automation I take pride in delivering high-quality, deadline-driven solutions. If you're looking for a dedicated expert to transform your processes and drive success, let’s connect! 📩 Let’s automate, integrate, and innovate!

Hi, I’m Shahzad! Over the 15+ years, I’ve worked across diverse stacks from C# ASP.NET, .NET Core, Angular 16 TypeScript, Blazor,Node.js, Python, and Django. I’ve specialized in HIPAA-Complaint HealthCare EMR/EHR Integration with AthenaHealth, NextGen and EPIC System. What I Do Best: ❖ Full Hands On Development, No Outsourcing, Handle every stage -Design, Development, and Delivery. ❖ Deep Healthcare Experience: 15+ years working with U.S. healthcare Startups which has established my practical insight into real HIPAA compliance and clinical workflows. ❖ OWASP Certified (Advanced Security): I design systems that keep cybersecurity in check from day one. ❖ HIPAA Audit: For fixed-size projects, Free Pre=launch HIPAA audit to ensure full compliance. ❖ HL7, FHIR ( Restful API) message Generation ORU,ORX, ADT Radiology and Lab inter connectivity and improbability. ❖ AI, Machine Learning & LLM Integrations: LLM apps using OpenAI API, ChatBot Open-AI Assistant API, or custom fine-tuning, Document Q&A. 💻 Technical Expertise → Backend: .NET Core, C#, EF Core, REST APIs, Azure Service Bus, Stripe Integration, FastAPI, Node.js → Frontend: Angular, React, Modular UI, Responsive Dashboards, Reusable Components, i18n (multi-language support) → Database: SQL Server & MongoDB – optimized for large patient data sets → Cloud & DevOps: Azure App Services, CI/CD Pipelines, Docker Deployments → Languages: Java, Python, C#, JavaScript. 🏥 Healthcare-Focused Solutions → HIPAA-compliant patient portals with Role-based Access (OAuth2, OpenID Connect) → Athenahealth / EPIC / NextGen EHR Integrations with secure real-time sync → Immutable Audit Logs for compliance validation → OCR-based Prescription Reading using Generative AI → Machine Learning tools for visit outcome analysis → Telehealth Integrations using RingCentral for online consultations 🏆 Achievements & Certifications 🥇Microsoft Azure Certified Professional AZ-900 🥇Microsoft Azure Developer AZ-204 🥇Microsoft Certified: Security, Compliance, and Identity Fundamentals SC-900 🥇HIPPA Certified 🛡️ OWASP Advanced Security Certified 🚀 Why work with me? I write clean, maintainable, and well-documented code. Git is my daily driver for version control, with branching strategies (feature branches, PR reviews) to keep the workflow tidy. Feel free to invite me to discuss your project. I’m always happy to jump on a call.