"I am an embedded systems engineer with substantial experience in programming languages like C, C++, VHDL, Verilog, Java and Python. My expertise extends to working with boards such as Arduino, Raspberry Pi, ESP32, STM32, and FPGAs. Additionally, I am proficient in designing and implementing communication protocols such as UART, I2C, CAN, USB, and SPI. With these skills, I can develop robust and high-performance embedded solutions for diverse applications in the fields of digital services and the Internet of Things."

I architect high-performance enterprise solutions that bridge the gap between robust software engineering and advanced intelligence, recently demonstrated by reducing deployment times by 40% through automated CI/CD pipelines. As a strategic partner, I do not simply write code; I deliver Data Analysis and scalable software ecosystems that drive ROI. My approach combines the stability of C# .NET and Microsoft SQL Server with the predictive power of Python Machine Learning and Artificial Intelligence, ensuring your infrastructure is secure, scalable, and primed for data-driven growth. • Scaled cloud infrastructure on Microsoft Azure and AWS to handle 1M+ requests/day using Kubernetes. • Engineered a high-frequency trading module using C++ that improved data processing speed by 30%. • Designed interactive Dashboard reporting using Microsoft Power BI and Looker Studio to visualize complex datasets. • Developed a cross-platform Smartphone application integrated with a custom AI Chatbot for 24/7 customer support. • Delivered over $100k in value on Upwork with a 100% Job Success score across 2,500+ hours. • Architected a Natural Language Processing (NLP) and AI Agent Development workflow to automate Data Extraction from unstructured text. • Built a Deep Learning model for predictive Data Science analytics, resulting in a 15% increase in user retention. • Implemented a robust ETL Pipeline to migrate legacy data from Microsoft Excel to secure SQL databases. My technical toolkit is comprehensive, spanning Full Stack Development with ASP .NET Core, Angular, and React, to specialized Data Engineering. I possess expert-level proficiency in SQL, Data Scraping, and Data Annotation workflows. Whether you need a Web Application, API Integration, or a complex AI Development project involving Deep Learning, I ensure seamless execution. I am equally comfortable managing Front-End Development with HTML5, jQuery, and TypeScript as I am handling Back-End Development and Data Visualization. Let's schedule a consultation to discuss how we can elevate your technical infrastructure and Data Analytics strategy.

I, Sadaf Asif, have 16 years of experience in research and development, algorithm development, analysis-based tasks, and working on case studies across all phases of software development. Areas of expertise: Development of interactive graphical user interfaces using DevExpress in C# Blazor web server and client development with clean architecture Database Designing and Creation Socket Programming Audio Processing Logic development VHF/UHF, Microwave & Satellite Communications Video Image Processing Technical skills: Programming languages: C, C++ (VC++), C#, Asp.net, Blazor Database management: SQL Server, mySQL, DynamoDB Amazon EC2 Cluster Placement Groups, AWS Elastic Container Service (ECS), AWS Fargate. AWS Lambda, AWS IAM (Identity and Access Management), IAM Roles & Execution Policies.

Hello! I am expert Backend Developer with almost 20 years of experience in backend, Android mobile, desktop apps, apps for embedded devices, ERP apps and web development. Proficient in developing applications in wide range of areas, including business applications and database management. Have high attitude expertise in Linux OS management, including building automated servers with set of services/tools for different purposes, virtualization tehcnologies like KVM/libvirt, containerization technologies like LXC, Docker, Kubernetes. What I can do: - Planning and implementing the app’s architecture and features. - Writing apps from the very scratch and further support. - Code Review, Fixing and supporting the apps written by others. - Working with a team of developers or solo. Technical Skills: * Languages and Frameworks: Java (Spring, Quarkus, Dropwizard....), Kotlin, C, C++, Qt, Rust, Go, Python (Django), JavaScript, PHP * Platforms: Backend, Android, Linux (Fedora, RedHat, CentOS, Ubuntu) * Technologies: Docker, Kubernetes, CI/CD, Mobile Development, Docker, KVM, libvirt, IT infrastructure monitoring tools, AWS services, GCP * Database Management: PostgreSQL, SQLite, MySQL.... - I'm open to working with big and small companies and individual clients. - I'm comfortable signing an NDA. - Prefer long-term collaboration. - Ready to work 30-60 hours per week I'm open to various projects and would love to show you my creative side too. My commitment to continuous learning keeps me updated with the latest trends and technologies, allowing me to bring cutting-edge solutions to your projects and better expreince. I am giving high attention to details, ready to resolve complicated and complex challenges, always tend to offer most efficient solution. Thanks for your time Regards Rafael S.

Expert in MAC OS, IOS and Windows development. Apple Xcode, Swift, Objective-C, Mac OS App Development, Cocoa, IOS Expert Multiple apps on IOS appstore. Also having Microsoft Certified Solution Developer and Certified Blockchain developer credentials

.NET Developer with over 15 years of experience. I help companies build scalable .NET backend and frontend. Worked on projects for Microsoft and Shell. 97% of my clients are satisfied with my work.🧑‍💻Interested in building scalable enterprise and startup systems. Let's create powerful software together! Are you in search of a Senior .NET Developer who can build, scale, and maintain resilient software systems for web, desktop, and cloud-based applications? You’re in the right place. I’m Eugene - a seasoned .NET developer with deep expertise in full-stack architecture, Azure-based services, REST APIs, relational databases, and scalable backend platforms. Over the years, I’ve taken the lead on mission-critical software projects for top-tier clients, including Microsoft and Shell. I’ve delivered a wide array of business solutions using C#, ASP.NET Core, .NET Stack, Entity Framework, SQL Server, PostgreSQL, WPF, WinForms, and Azure App Services. My portfolio includes scalable web platforms, API-driven microservices, high-performance desktop tools, and cloud-native architectures powered by Docker and CI/CD workflows. 👨‍💻 Areas Where I Excel: ✅ Full-Stack .NET Development I craft backend and frontend solutions with ASP.NET Core, .NET 6/8, MVC, Razor Pages, and Web API. I also bring experience with Blazor, Angular, and React, following clean architecture and SOLID design. ✅ Desktop Application Engineering I build Windows apps using WPF, WinForms, MVVM, and Telerik controls. These include hardware integrations, PDF/image processing, and offline functionality. ✅ API Development & Integration I create and connect REST APIs with third-party services such as Stripe, Twilio, SendGrid, and CRM systems. I also develop custom APIs for tools like print services and internal dashboards. ✅ Database Architecture & Optimization I design performant database schemas and manage SQL Server, PostgreSQL, MySQL, and Cosmos DB. I focus on query performance, indexing, and schema evolution. ✅ Cloud & DevOps I deploy apps using Azure App Services, Functions, and CI/CD with GitHub Actions or Azure DevOps. I containerize services with Docker and orchestrate deployments via Kubernetes. ✅ Microservices & Distributed Architecture I build .NET Core microservices with RabbitMQ, Kafka, and Ocelot. These systems serve web and mobile platforms with real-time and asynchronous communication. 🔍 Key Project Highlights: iGaming Platform: Built a real-time casino system using .NET Core, SignalR, Kafka, ScyllaDB, ClickHouse, PostgreSQL, ELK stack, and Power BI. Deployed via Docker on AWS. Loan Automation: Delivered a full-cycle loan platform with .NET Core, OData, EF Core, Azure Service Bus, Hangfire, CosmosDB, Angular, and Power BI. App Marketplace: Developed a microservice-based SaaS platform with RabbitMQ, Stripe, Angular 6, Ocelot, Autofac, and SQL Server. Fleet ERP: Built WPF/Angular tracking ERP with EF6, SQL Server, MEF, GIS, and modules for driver behavior, fuel tracking, and maintenance. Insurance System: Created a UBI platform on ASP.NET Core, AngularJS, Kendo UI, and MS SQL for fraud detection and claims processing. Outlook CRM: Developed CRM integration for Outlook using ASP.NET MVC, AngularJS, Kendo UI, Azure Services, and hosted on IIS. Logistics ERP: Led development of a WPF .NET AngularJS ERP for transport tracking, satellite communication, and business ops. Medical Monitoring: Built a diagnostics app with ASP.NET MVC, DurandalJS, EF, and MS SQL. Hosted securely via IIS. Delivered enterprise-grade .NET solutions: real-time, cloud, ERP, CRM, fintech, and diagnostics systems. 🛠️ My Technical Toolbox: I specialize in C# and the .NET ecosystem, including .NET Core, .NET Framework, Web API, MVC, and WinForms. I rely on EF and LINQ for data access and schema control. My database experience covers MS SQL, PostgreSQL, MySQL, MongoDB, Redis, and Cosmos DB. I manage deployments on AWS and Azure, using Azure DevOps, Docker, and Git. For UIs, I use WPF, Blazor, Angular, and React with TypeScript. I also implement secure CI/CD, API integrations, and scalable infrastructure. Why Teams Work with Me: ✔️ I have over 15 years of professional engineering experience (more than 5 years of experience) ✔️ I possess expertise in both cloud and desktop software solutions ✔️ I have a proven ability to deliver enterprise-level applications ✔️ I possess an in-depth knowledge of DevOps and backend performance tuning ✔️ I can provide AI chatbot (AI Agents) development and workflow automation. ✔️ I have a high ownership, transparency, and quality focus ✔️ My English is fluent, and I can work both with international teams and independently. I collaborate with clients who value architecture, efficiency, and clean code. Whether your project is just starting or mid-scale, I bring clarity, experience, and technical strength to push it forward. Let’s connect and bring your vision to life with robust .NET development.

With 20+ years of industry experience (10+ years in embedded systems), I build high-performance real-time video and computer vision solutions. I specialize in: RTSP, WebRTC, and low-latency streaming GStreamer, FFmpeg, OpenCV pipelines Embedded Linux development (Raspberry Pi, Orange Pi, Jetson) Multi-camera systems, video recording, and synchronization AI-based video analytics (YOLO, RKNN, edge AI) I have delivered production-grade systems including: Real-time multi-camera streaming and recording platforms AI-powered video analytics solutions Embedded vision systems with hardware acceleration End-to-end video pipelines (capture → process → encode → stream) My focus is always on performance, reliability, and scalability — especially in resource-constrained embedded environments. If you need a practical expert who can bridge camera hardware, video pipelines, and real-world deployment, I can help.

🟢 𝐀𝐕𝐀𝐈𝐋𝐀𝐁𝐋𝐄 NOW 👋 Hi there, I'm Artem! Need a developer to build a SaaS, MVP, or support a legacy system? I'm your full stack developer expert. With 15+ years as a Senior .NET Full Stack Developer, I plan, architect, and deliver high-performance applications that scale. Through my agency CodeLuxSolution and direct Upwork engagements, I've completed 66+ projects globally, transforming outdated systems into modern, blazor-powered solutions that drive user adoption and slash operational costs. ═══════════════════════════════════════════════════════════ 🏆 Why Our ASP.NET Core and .NET Developer Solutions Stand Out ⭐ 15+ years as a Senior .NET Full Stack Developer and Desktop Application specialist ⭐ 66+ custom projects delivered: 36 on Upwork, 30+ through enterprise contracts ⭐ Top Rated on Upwork with 100% Job Success Score ⭐ Leading projects for USA educational platforms serving 250k+ users after regulatory updates ⭐ Enterprise SaaS platforms in management and analytics spanning 20+ person teams ⭐ Desktop application migrations from WinForms to Blazor Server reducing deployment cycles to 1 second ⭐ ASP.NET WebForms to .NET Core migrations accelerating page load times by 100x (30s down to 0.5s) ⭐ High-load IoT systems optimized from 3 servers down to 1 server, cutting infrastructure costs 66% ⭐ ASP.NET MVC to RazorPages performance gains delivering 3x faster rendering ⭐ Blazor developer expertise enabling remote-first access and real-time data sync across 1000+ concurrent users ⭐ .NET Core microservices reducing deployment risk from multi-day windows to single-second updates ═══════════════════════════════════════════════════════════ 🚀 Services | ASP.NET Core and .NET Developer Expertise ▶ Enterprise SaaS Architecture - Scalable, Management and Analytics Focused ► ASP.NET Core microservices for high-load systems processing thousands of IoT requests per second ► .NET Core backend serving 250k+ users on educational platforms with zero downtime ► Blazor Server and Blazor WASM applications enabling remote access and cross-user data synchronization ► SQL Server optimization and EF Core entity mapping for complex domain logic ► Developer-led database scaling strategies reducing server footprint by 66% ▶ Legacy System Modernization - WebForms to Modern .NET ► ASP.NET WebForms to .NET Core rewrites accelerating page loads from 30s to 0.5s ► WinForms Desktop Application refactoring into Blazor Server reducing update cycles to 1 second ► ASP.NET MVC to RazorPages migration delivering 3x performance improvement ► Eliminate version conflicts across 1000+ users with web-based Blazor deployment ► .NET Framework to .NET Core infrastructure consolidation cutting infrastructure needs from 3 servers to 1 ▶ Custom Desktop Applications - WinForms and Windows Services ► WinForms application development for enterprise productivity tools ► Windows Services for background processing and system integration ► Desktop application architecture supporting offline and connected scenarios ▶ SaaS Platform Development - Full Stack from Concept to Scale ► ASP.NET Core APIs powering management and analytics SaaS dashboards ► Blazor components for real-time reporting and user collaboration ► .NET developer expertise in multi-tenant architecture and data isolation ► High-performance SaaS solutions serving thousands of concurrent users ▶ Specialized Modernization Services ► WinForms to Blazor Server conversion enabling work-from-anywhere deployment ► ASP.NET WebForms to .NET Core rewrites for systems handling high-load IoT data ► MetaTrader indicator development and NinjaTrader platform expertise ► Educational platform scaling from pilot to 250k+ user systems ► Fire safety and emergency management SaaS currently in development ═══════════════════════════════════════════════════════════ ⚙️ Workflow, Tech-Stack and Extra Value 🔍 Discovery and Requirements Analysis ► Understanding legacy system pain points and defining success metrics for migration projects ► Competitive analysis and user experience mapping for SaaS platforms 🏗️ Architecture and Design ► Mapping WinForms components to Blazor Server architecture ► Designing ASP.NET Core microservices for SaaS platforms ► Planning infrastructure consolidation strategies for high-load systems ► .NET developer best practices for scalability and maintainability 💻 Development and Integration ► C# as primary language chosen over Python for development velocity and C++ for performance parity ► ASP.NET Core | Blazor Server | Blazor WASM | RazorPages | .NET Framework legacy ► HTML5 | CSS | JavaScript | SQL Server | EF Core with advanced querying ► WinForms for Desktop applications | Windows Services | API development ► Integration with existing enterprise systems and third-party APIs ⚡ Performance Optimization ► ASP.NET WebForms to .NET Core refactoring reducing page loa

Main specialization – C++ (STL/MFC, QT, PostgreSQL, C# - on board). 15+ years of experience. Open to start new project on following tech stack: 1. Web: Python (any web framework), React, React-Admin, PostgreSQL, Dockers, Amazon Web Services, FreeSwitch. 2. Desktop, client/server solutions: C++, QT Framework, QML, ModBus, C#. Last few years work with C++ on Debian (PostgreSQL, ncurses, thermal printer). Recently extensively switched to QT framework (Music Score scanning software). Had a chance to use general logic experience to lead engagement projects in completely unknown for me areas like Lotus Notes/Domino, software for greenhouse heating systems construction, some projects on Delphi. Searching clients for cooperation to outsource software products development. My formula: Scope of Work – Time – Budget (W-T-B). W-T-B key principles: - establish project required development process; - define milestones; - provide “access points” for process control from a client side; - self-documented code; - quality assurance; - support.

Holding a Rich experience in NFC, RFID & Bluetooth integrated solution. I have a skilled team in Device integration in Android, iOS & Desktop application Rich 20+ years of experience in IT organization. Mentor & Certified Scrum Master Solution Provided for Customers: 1. Unique Product Authentication 2. Know Your Customer - Mobile app by Scanning NFC Passports 3. Enterprise Software for Healthcare Industry with collecting information from Medical Device. 4. Inventory Tracking System using RFID / NFC 5. Employee Tracking using Passive & Active RFID 6. Event Management System using NFC 7. Digital Business Card Experienced in Integrating Mobile App (Android / iOS) with major NFC IC's 1. NTAG424 DNA & NTAG424 DNA Tag Tamper 2. NTAG213 / 215 / 216 3. DESFire Module M890 4. Mifare Classic 1K / 4K / 8K 5. Mifare DESFire EV1 / DESFire EV2 6. Mifare Ultralight & Ultralight C 7. M24LR04E-RDW6T/2 8. NFC-TAG-MN63Y1213_2020 Experienced in NFC & Bluetooth connectivity Readers : 1. ACR122U USB reader 2. ACR 1255U-J1 Bluetooth NFC Reader 3. ACR1311U-N2 Bluetooth NFC Reader RFID Device Integration with Cloud via MQTT: 1. [Passive RFID] 4 Port & 2 Port UHF RFID Fixed Reader 2. [Passive RFID] C72 Handheld UHF Reader 3. [Passive RFID] Sanray UHF RFID Integrated Handheld Reader F5009-H 4. [Active RFID] Sanray Active RFID Fixed Reader 5. [Passive RFID] UHF RFID Tag Printer Build applications using RFID UHF Tags: 1. Smartrac R6 DogBone RFID Wet Inlay (Monza R6) 2. Vulcan RFID Foam Backed Wristband (Monza R6) 3. Confidex Carrier Tough Slim RFID Tag (Monza 4QT) 4. Zebra UHF RFID Cards 5. Omni-ID Adept 650P RFID Cards 6. Triathlon Race Timing UHF RFID Sample Tags Expert Consultation in NFC, RFID & Bluetooth - Mobile App Development - iOS & Android - Mobile App Development - Native (Android - Java & Kotlin, iOS - Swift) & Flutter - Mobile App integration with PCB Boards & External Devices such as Weigh Scale - Server Development - C# Dot Net & Python - Build Interactive Website | Mobile App - UI & UX | Logo Design Proven Track Record - Building complete product for clients - Solution Provider - In Handling and Mentoring teams. Strong engineering & professional skills in Software Development Life Cycle (SDLC), Requirements Analysis, Business Analysis and Solution Architecture.