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  4. (Current) Win32 App Developers
  • $45 hourly

    • 4.9/5
    • (29 jobs)
    Main specialization – C++ (STL/MFC, QT, PostgreSQL - 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. 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.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    FreeSWITCH
    Amazon Web Services
    React
    Debian
    SQL
    Django
    Standard Template Library
    Docker
    Microsoft Visual C++
    Python
    C++
    Microsoft Foundation Class Library
    Qt Framework
    PostgreSQL
  • $35 hourly

    • 4.8/5
    • (49 jobs)
    1. A large and successful experience in the surgery of foreign systems 2. Reverse engeneering 3. Working on fast technology to fast and painless moving old systems to new stack 4. Have solid experience in .Net Core and Angular 5/6 systems. 5. Successful experience in moving old legacy projects to .Net Core • Active career from 2003 starting with C++/Win32Api programming, microcontrol-lers, leading with .Net technologies starting with Windows Forms and ending by web devel-opment. Also has background with Java and SmartTV development. • Good communication skills. Have 4 years active freelancer experience with several clients with personal development and delegating work to other person • Strong TDD and Agile background. Know how this is works and have ideas how product owner or scrum master should work • Strong communication skills with customers. Can create strong development plan without too much information about client’s wishing. • Have experience and knowledge about DDD (domain driven development) • Have experience with strong and lightweight decisions for several type of architectures. For example this is several scrap architectures. • Have real experience in migrating DB logic from MySQL to MSSQL • Have implemented and successfully worked GDI+ components for oil drilling industry • Have successfully finished several personal projects, where I’m only delegating work to other developers • Good attention to details, and good strategic vision. • Fluent English. • Willing to have success in everything where I working • Have successful developed decision for mass microcontrollers working with linux server • Fast understanding technology or project and fast results Generic Application/System Software Development Expertise • Enterprise level system analyses, design and development • Development of large-scale web applications • Object-oriented programming, analysis and design • Web development (HTML authoring, DHTML, JavaScript, applets development) • Database programming (SQL and no-SQL), XML and data processing, Entity Framework • Unit and functional testing, Quality Assurance, stress testing, continuous integration • Systems integrations, algorithms • Azure clouds (currently preparing for certifications) • Knowledge for Continious integration Skills Programming Languages Database Systems Web Technologies C#/.Net, JavaScript, SQL, XML, Json, C++ (windows, linux), Java, etc MySQL, MongoDB, MS-SQL, Azure, etc HTML5, CSS3, DHTML, AJAX, DOM, REST, JQuery, jQuery UI, Angular JS, B Knockout, Twitter Bootstrap, SOAP, etc Technologies Application Servers, Services Operating Systems, Tools Visual Studio, Resharper, Microsoft MVC, Ms SQL, MySql, ORM (Entity Framework), MongoDB Professional Experience (12/2015 – Present) Senior Web Developer & Arhitect Responsibility for creating web template for webapi2/angular stack with using architecture patterns (.ASP.NET Core/Angular 5-6/MS-SQL/Entity Framework Core/SignalR Core/Azure) (10/2013 – 11/2015) Senior Web Developer Responsibility as developer for migrate web-system from old webforms structure to MVC. Worked in scrum with strong development process (.Net MVC/MS-SQL/MySQL/Java/JavaFX) (05/2013 – 10/2013) Senior Web Developer Web project for house rentals company with scrum background (.NetMVC/Webapi/Knockout/Azure) (01/2011 – 05/2013) Middle web development Implementing payment systems for poor countries. (.Net MVC/Entity Framwrork/MS-SQL/Google Maps) Implementing system for LG tv-adapter (.Net MVC/JavaScript/MS-SQL) Implementing application for Panasonic SmartTV (.NetMVC/JavaScript/GDI+) Implementing scrap platform for automating crawling job sites (.Net/DI/MS Access) (02/2007 – 01/2011) freelancing Migrating database layer for medical database for German clinics (Windows Forms, ADO.NET, MS-SQL) Implementing scrap architecture for bet arbitrage system (.net/xml/DI) (03/2003 – 02/2007) Developer Screenshot system for browsercam.com (like SnagIt) (C++/MFC/Win32Api/image processing) Fair preventing system (.Net/WinForms/MS-SQL) Electro Energy economy system for supermarkets (Microcontroller programming/C/C++-linux/TCP/IP pro-tocol/PHP/MySQL/Apache plugin/etc) Education 1998 – 2003 Kharkov National University of Radioelectronic – degree system Analyst in Social Economics systems
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Angular
    ASP.NET Core
    C#
    MongoDB
    TypeScript
    SQL
    HTML
    .NET Framework
  • $45 hourly

    • 5.0/5
    • (16 jobs)
    Here to assist you as a self-motivated .Net expert with 15+ years of enterprise-grade software development experience. I have worked long enough to learn that the most important value I should make is your satisfaction and that’s the best foundation I can build my business on. That’s why I usually get my hands dirty solving problems that most of the developers avoid facing. I have a solid experience in system design and implemented numerous solutions through ASP.NET Web forms, ASP.NET Web API and ASP.NET MVC, from windows form applications to heavy-duty systems with microservice architecture. With a wealth of experience across industries such as oil and gas, 24/7/365 flow-centric online systems, engineering, procurement and construction, I will bring a passion for delivering robust and reliable solutions to your project. These project where not done by locking myself away in a room! In contrast I believe in team work not only with the other developers but also with the real business experts. My core competencies lie in these fields of projects ✅Dynamic workflow-based systems for long running acceptance /work accomplishment flows, such as loan or license requests management. ✅Project-centric systems which include either conventional project management concepts from PMBOK knowledge areas and need WBS and Project Measurement Systems and Microsoft Project, Oracle Primavera integration, or agile/lean concepts such as Kanban/Scrum boards, sprint planning etc. ✅Projects which need code convert from old technologies and architecture to the newer ones. Such as migrating old .Net framework based product to .Net Core (.Net6) ✅Software products which are made to be able to serve, be maintained and scale for several years. This kind of software usually need high separation of business from technology to be technology-change resilient over time, so they need robust architecture and more design considerations should be made for them. A highlight of my technical specialties: ✅ C#.NET ✅ .Net Framework and .Net Core ✅ Microservices and related technologies and tools such as RabbitMQ, API Gateway, Identity Server... ✅ Frontend technologies and tools: MVC, JQuery, HTML, CSS, Javascript, AJAX, WPF and familiar with MAUI ✅ Web services development and integration, Soap, RESTful APIs and Swagger ✅Entity Framework and Entity Framework Core, code first or database first ✅ Database design, Microsoft Sql server and also familiar with OLAP, analysis service and integration services. Familiar with database optimization. ✅ Automated testing, mostly unit testing and integration testing using ✅ Design patterns, SOLID, DDD, OOP, CQRS ✅ Experienced in Agile and Hybrid delivery models ✅ Azure functions, Azure Service Bus, Azure AD ✅ DevOps mindset and CI/CD using Azure DevOps and Jenkins ✅ Dependency Injection ✅ Visual Studio 2019/2022 ✅Git and SVN ✅Third party tools such as DevExpress and Telerik, solid experience in jQuery Kendo UI
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Kendo UI
    jQuery
    Web Development
    .NET Core
    API
    Entity Framework
    Database
    Microsoft SQL Server
    Web Service
    .NET Framework
    ASP.NET Core
    C#
    ASP.NET
    RESTful API
    Microservice
  • $50 hourly

    • 3.7/5
    • (20 jobs)
    Software consultant with 30 years of experience in delivering software solutions and applications on Windows, macOS, and iOS platforms. Proficient in developing device drivers and application software across diverse domains, including networking, printing, audio, display, and IoT. Solved several challenging technical problems with a creative approach. - 12 years experience working at Intel, designing and developing applications and display device drivers using C++. - 5 years experience in C++ and .NET application development for Xerox office printers. Skills and expertise, - Programming Languages: C, C++, C#, Swift, Java, Python, Go - Operating Systems: Windows, macOS, iOS - Development Tools and Frameworks: Visual Studio, Xcode, Windows SDK, .NET, WPF, SwiftUI, DirectX, WDK, WinDbg, Android Studio, Qt, JUCE
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Mac OS App Development
    iOS
    Windows App Development
    Android
    Windows API Development
    C
    Microsoft Visual C++
    .NET Framework
    Desktop Application
    Apple Xcode
    macOS
    Swift
    C++
    Microsoft Windows
    C#
  • $35 hourly

    • 5.0/5
    • (20 jobs)
    Having a 22 years of experience in designing and developing desktop based software application. Worked as team lead in development and implement of one of the world best application in DTG industry for printing on fabric with white inks ( Kothari Print Pro). This vast experience of working in the industry gives me a insight of working on all kinds of projects ranging from small ( for a few weeks ) to really big ones ( continuous product development for many years). Having a sound knowledge of Design patterns and have successfully implemented it in various projects to improve the flexibility of the software for future changes / adaptations. Had a experience of working in the following domains : - Worked with Qt andVS2019 - multi-threaded applications in MFC - Crypto libraries in windows. - Implementation of Digital Certificates for document signing and for encryption / decryption in C++. - Image File Format readers. - OCR with opensource libraries - Expertise in writing modules for various hardware communication - optimization by writing SSE-II codes - Color management routines for input and output devices. - Implementation of image processing algorithms like Halftoning, Dithering , Histogram Equalization, edge detection , image enhancements and color correction filters in C++.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Image Processing
    Digital Printing
    Standard Template Library
    Socket Programming
    GUI Design
    Windows API Development
    Multithreaded Programming
    Application Security
    Microsoft Visual Studio
    Microsoft Foundation Class Library
    C++
    Microsoft Visual C++
  • $25 hourly

    • 4.8/5
    • (23 jobs)
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    WinAutomation
    WinDev
    Golang
    Web Service
    Cryptography
    JavaScript
    C++
    Microsoft Foundation Class Library
    Microsoft Visual C++
    Application Installer
    Microsoft Windows
    Application Integration
  • $50 hourly

    • 4.9/5
    • (90 jobs)
    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.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    NFC
    Wireless Communication
    RFID
    Android App Development
    Microsoft Visual C++
    Python
    Microsoft Foundation Class Library
    Android
    Bluetooth
    CSS 3
    Android Studio
    C#
    Java
    C
    C++
  • $25 hourly

    • 5.0/5
    • (63 jobs)
    Hi there! My name is Sally Peck. Tech Stack: - Delphi | VCL | FMX | FastReports | DevExpress (Reference: CodePatners Pty Ltd). - C# | WPF | WinForms - Java Spring - Add-in-Express Team member (Outlook, Word, and Excel Add-in development) - CI/Build environment - Coding support | InstallShield | WIX Please see my happy customers and high ratings below.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Visual Basic
    Visual Basic for Applications
    RESTful Architecture
    SQL
    Business with 10-99 Employees
    Delphi
    Python
    Database
    Microsoft Outlook Development
    SAP Crystal Reports
    3D Modeling
    UnrealScript
    Reverse Engineering
    POS Terminal
    PostgreSQL
    MySQL
    Payment Gateway Integration
    DevExpress
    C#
    QML
    Vaadin
    Spring Boot
    Java
    Qt Framework
    Qt Creator
    C++
  • $40 hourly

    • 3.6/5
    • (130 jobs)
    I have a vast experience in many technological stacks. I started to make software in 12. At 16, I worked with assemblers, the kernel of OS, and drivers. Later, I worked with 3D software development and worked with 3D software to create models and animation. For these reasons, I have excellent skills in many areas and technological stacks. System engineering, audio/video software development, 3D software development, web software development, and, of course, mobile development (including Raspberry and other exotic devices). Below, you can read more about the skills I applied to many projects: - the video/audio expert, FFMPEG, FFMPEG API, Media Foundation, live streams, Twitch, mpegts, ever you want in this area :), live streaming for cameras/grabbers with custom SDK and including panoramic(250-360 degrees) videos - WebRTC expert - x86 assembler, since age 16 (also, I'm experienced in ARM assembler) - C/C++ - 22 years of experience - HTML 5, video, audio, WebRTC - JavaScript - 15 years of experience (jQuery, node.js, tree.js, WebGL, etc.) - Perl at age 20 - MacOS, iOS and the Apple ecosystem. I have windows, apple and linux machines - Metal, Vulcan, DirectX - I have many complicated projects with these technologies, 2D and 3D - OpenGL - 12 years of experience - C#/MSSQL - 5 years of experience - PHP/MySql - 10 years of experience - Java / Python - 5 years of experience - QT, PyQT - 5 years of experience - Implemented own HTTP-server, added the web-socket support to a third-party HTTP-server, worked with ICMP and low-level ip-protocols, implemented several modules for Nginx, and used different frameworks: Laravel, FastAPI, CakePHP, and others
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Metal
    Android NDK
    Java
    GIS Software
    SQL
    FFmpeg
    CUDA
    Plugin Development
    TypeScript
    C#
    C++
    Unreal Engine
    PHP
    JavaScript
    Python
  • $45 hourly

    • 4.9/5
    • (22 jobs)
    Hi, my name is Dmytro, I'm .Net developer form Ukraine (UTC+2). I have been working as a developer from 2012. Starting as Junior developer, now I am a Senior Developer. It is not a problem for me to combine research, architecture and development. Here is a list of technologies I have experience with: ✓ OOP and System Design (7+ years); ✓ Theoretical knowledge and practical experience with design patterns; ✓ Asynchronous and multithreading development (TPL); ✓ Rest API design, architecture, implementation and integration; ✓ .NET Desktop (WPF) (5+ years); ✓ Telerik and DevExress frameworks for WinForms and WPF (5+ years); ✓ .NET / .NET Core C# (7+ years); ✓ XML, XSLT, Serialization/Deserialization (XML, Binary, JSON); ✓ ASP.NET MVC / Web API (4+ years); ✓ ASP.NET Core; ✓ SMS integration (Twilio, Plivo, SMSru); ✓ Email integration (SendGrid, MailGun, Gmail, custom SMTP); ✓ WCF and WebServices; ✓ Entity Framework; ✓ LINQ; ✓ Database architect and optimization including Microsoft SQL (5+ years); ✓ Git; ✓ Visual Studio;
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Standalone Application
    JSON
    Windows Presentation Foundation
    Windows Forms
    XAML
    Computer Network
    C#
    SQL
    .NET Framework
    DevExpress
    Windows App Development
    Algorithm Development
    .NET Core
    Microsoft Azure
    Code Refactoring
  • $73 hourly

    • 4.9/5
    • (113 jobs)
    Senior .NET Developer with over 20 years of experience delivering high-quality Windows applications using C#, C++, Visual Basic, and Delphi 🎓 I specialize in building robust, user-friendly software solutions and have a proven track record in automation, data processing, and desktop app development. I’ve successfully completed 100+ projects across various domains, including CNC code generation, installer creation, and Microsoft Office plug-ins 🚀 My expertise extends to .NET Core, ASP.NET, software deployment, and data integration. I stay current with evolving technologies to provide you with cutting-edge, efficient, and scalable solutions 🎯 If you're looking for a developer who can deliver top-notch work ⛰, on time 🕓 and within budget 💸, let’s discuss how I can contribute to your project’s success 🎉
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Microsoft Office
    Automation
    ASP.NET
    Microsoft PowerPoint
    Microsoft Outlook Development
    NSIS
    Desktop Application Improvement
    Windows App Development
    .NET Core
    Software Development
    Delphi
    Visual Basic
    C++
    Desktop Application
    C#
  • $30 hourly

    • 4.7/5
    • (14 jobs)
    Last 14 years I have been developing software for the Windows and Linux platforms basically on C and C++. I wrote many different multi-threading high-productive back-end systems which have been working 24/7. Also I am very familiar with data encryption and I know when and how to use symmetric and asymmetric keys to protect data, know what is security certificates, how to check signature and how to create hash of data. For multi-platform programming I use QT Framework and hence I can create fast and beautiful front-end applications for any OS platforms. During these years I also have been working with MS SQL Server and have vast experience in design of new databases and complicated queries writing. My primary goal is to create perfect solution for the client and then continue work with him in the future. Listed below are my experience and skills. • Programming languages C/C++, VB6/.NET, T-SQL, PL-SQL. • Mobile programming iOS • Technology MFC, QT, STL, ATL, COM/COM+, ActiveX Control, Unicode, Win32 API, GDI, SQL-DMO, WMI, XML, WIX • Databases MS SQL Server, Oracle, MySQL, FireBird, Embedded InnoDB, Access • Encryption Symmetric and asymmetric keys, signatures and hashes, HASP and Guardant hardware keys DBMS: OLE DB, ODBC, ADO, ADO.NET • Version control systems Git, Visual SourceSafe, Source Offsite, SourceAnyWare, MS TFS
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    SQL Programming
    Standard Template Library
    Cryptography
    C++
    Microsoft Foundation Class Library
    Qt Framework
    Microsoft Visual C++
  • $25 hourly

    • 4.6/5
    • (12 jobs)
    I am a Senior Systems developer. I have extensive experience in Windows and Linux system programming, Windows Device Driver. I have developed device drivers in windows for IoT and embedded devices. I have worked on file system filter drivers as well. Kernel programming excites me. I like to work with people who care about the system and like to work close to hardware. It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects. I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with. I look forward to hearing from you!
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    DirectX
    System Programming
    OpenGL
    Microsoft Component Object Model
    Windows API Development
    Systems Development
    C++
  • $62 hourly

    • 4.7/5
    • (23 jobs)
    I am Russian who moved to India due to complete denial of Russian politics. Kernel development (primarily Windows) for 10+ years in an international software product company and freelancer. Experienced team leader, and (failed) tech startup founder. I prefer to work independently and in direct contact with primary project stakeholders. Picks from my portfolio: 1. Paragon GPT Loader - a technology to overcome the limitations of Windows XP. 2. Migrate2Iaas Cloudscraper - a tool to migrate existing servers to clouds like AWS 3. Kinoni EpocCam (now a part of Corsair) - a set of drivers to use a phone as webcam. Strong points: 1. Excellent troubleshooting skills. I am known to fix the most mysterious bugs. 2. Ultra-fast dev to prototype solutions. PoC in no time. 3. Strong research and modeling skills. I like to investigate things like performance bottlenecks, the internals of systems, and so on. Other traits: 1. Communicative 2. Honest 3. Collaborative
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Driver Development
    Windows App Development
    Windows API Development
    Kernel
    Python
    C
    Microsoft Windows
    C++
    C#
  • $44 hourly

    • 4.9/5
    • (119 jobs)
    For the last decade, I have developed SME, B2B and consumer-facing solutions to business problems. With a **Software Engineering Degree** (Hons), I have worked with .NET technologies such as C#, VB.NET, .NET Framework, ASP.NET Webforms/AJAX/MVC,ASP.NET CORE 1.1, 2.0, Web API, WCF/ODATA, Web & Windows Services, Nodejs, XML, JSON, REST, SOAP, SQL Server (SSRS, DB, SPs), MySQL, Derby, Oracle, MongoDB, HTML5, CSS, JavaScript, jQuery, Twitter Bootstrap, Windows Server 2003, 2003R2, 2008, 2008R2, 2012, IIS (6,7,7.5,8), Winforms, WPF, MSI/EXE installer development using Advanced Installer and InstallShield, Azure, RDP/Remote Access, Ubuntu/SSH/WinSCP/Putty, GIT (bitbucket.org, github.com), SVN TFS, jasmine, dygrph. ✅ C# .NET end-2-End business solutions development (web, desktop, mobile) ✅ Azure & AWS EC2 hands-on experience ✅ Desktop App/Web App crash/memory corrupt debugging/troubleshooting & Fixing ✅ Database Migration: MSSQL/MySQL/Oracle to PostgreSQL/AzureSQL ✅ ASP.NET Webforms to ASP.NET MVC, ASP.NET MVC to MVC CORE Conversion ✅ Web Services (SOAP/ASMX) to Web API/2 (REST) conversion/migration ✅ Wordpress to .NET/ASP.NET/MVC/CORE conversion ✅ Agile (SCRUM) experience with global, cross-functional teams ✅ SSL setup TLS 1.2 Upgrade, .NET TLS 1.2 Upgrade ✅ US EST/CST overlapping availability for 30hr/wk contracts Got an idea 💡 to build a new product or are you planning to launch 🚀 your new app? Are you tired of waiting ⏳ on slow and non-productive programmers? You have come to the right place! I provide the best value for your money 💲💲💲! B2B, B2C, SaaS Web, Desktop & mobile 📱 software products (complete .NET/SQL stack), hack/secure (🔐) existing products for security testing purposes, fix bugs & add features, do configuration, deployment and maintenance of apps on live/production/development machines. Asynchronous programming, SignalR, CORS, websockets, multi-threading, Parallel.Invoke, Task Parallel Library, nuget, database design, partitioning, indexing and optimization, legacy code learning & refactoring, code conversion, n-tier architecture, ORM/Dapper/Entity Framework, & 3rd party control Telerik/DevXpress. Desktop portfolio items and portfolio website can be shared on request. As a individual, full-time freelancer, I work usually during US EST or US CST time zone but can adjust to your time zone if needed. I possess exceptional English language written and spoken skills. I have excellent availability on sky-pe during work times. My suggestions for your project to run successfully: 1. Use source control for version management 2. Use Task tracker/bug tracker to efficiently manage the milestones and deadlines 3. Communicate expectations before the project begins I have complete command over Microsoft Office Tools. I have extensive experience with 3rd party APIs such as: 👍 TFS, GIT, SVN, Tortoise SVN, Tortoise GIT, bitbucket.org, github.com 👍 Web APP deployment on IIS, windows server administration 👍 National Hurricane, Weather Api 👍 Twitter API, 👍 Google API, 👍 Odata, 👍 OAuth, 👍 Telerik Rad Controls for ASP.NET AJAX, Winforms, WPF 👍 DevXpress, DExperience for Web and Winforms, 👍 Infragistics. 👍 Aspose Cells for .NET 👍 ZAP Proxy Security Analysis Framework (OWASP ZAP) 👍 ZAP API 👍 Fiddler for Windows, Fiddler .NET API 👍 Microsoft Excel Interop 👍 Microsoft Word Interop 👍 Microsoft Access Interop 👍 MySQL Connector for .NET 👍 Microsoft SQL Server R2 👍 Microsoft SQL Server Compact 3.5 & 4.0 👍 Windows Communication Foundation (WCF Services) 👍 Microsoft Entity Framework 4.x/ADO.NET Entity Framework 👍 LINQ 👍 Telerik OpenAcces ORM (Database First, Model First) 👍 Windows Presentation Foundation (WPF) 👍 Login Authentication/Encryption 👍 Message Encryption & Message Security 👍 Secure Communication & Messaging 👍 Payment system/gateway integration for credit card (💳) procesing 👍 Stripe gateway, payment method, custom checkout and subscription management module implementation 👍 Contactless EMV, dip & magstripe card payment implementation using bluetooth enabled mobile devices and stripe M2 card readers ★ MCPD Validation ★ Transcript ID: can be provided on request Access Code: can be provided on request I have worked with enterprise grade software systems that are composed of 📌 multiple tiers & layers, 📌 distributed client-server applications that use 📌 extensive .NET remoting and RMI, 📌 multi-threading, 📌 memory management and exception handling, 📌 developed applications that use Smart Cards and biometric devices, finger print readers and scanners and their 📌 SDKs for authentication and security, 📌 developed applications that use RSA key exchange, and 📌 use encryption for secure message and file transfer.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Microsoft Azure
    C#
    ASP.NET Core
    Twitter/X Bootstrap
    Microsoft IIS
    Network Administration
    ASP.NET MVC
    Git
    HTML5
    SQL
    CSS
    HTML
    jQuery
    JavaScript
    Bootstrap
  • $40 hourly

    • 5.0/5
    • (30 jobs)
    I have 19 years of experience in software development. I'm specialized in backend and desktop development using .NET / .NET Core (MVC, Web API), c#, c++, javascript, VSTO, etc. I participated in many successful projects from various industries such as security, CAD systems, 3d printing, and E-Commerce. I specialize in solving complex technical problems. For instance, if your project is complicated and required research, design, analysis skills, improving performance, deep knowledge in c#, c++, web, native code, algorithms, etc. Or when work has to be done on time with the best quality. Please look at feedback from my clients in "Back-End Development" and "Desktop Software Development" profiles. Their words will tell even more than my self-introduction.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    SQL
    ASP.NET
    CSS
    ASP.NET MVC
    Blazor
    Microsoft Azure
    XAML
    .NET Core
    Boost
    C#
    .NET Framework
    C++
    JavaScript
    C
    MongoDB
  • $50 hourly

    • 5.0/5
    • (10 jobs)
    Are you looking for a game developer with strong C++ and Unreal Engine experience? I am a game developer with over 5 years of experience in companies ranging from small indie teams to big corporations like Bandai Namco, Gameloft and Playtika. I have worked on multiple areas of game development, like Gameplay Programmer, Core Game Engine Programmer and Console Porting Programmer. I have a portfolio of 5 shipped games that I have worked on and another 2 that are still under development. My personal website : silviuilie.com Technical Skills : - C++ - C# - DirectX - OpenGL - shaders and materials - gameplay scripting - UI - performance optimization Software : - Unreal Engine - Unity Engine - Git - SVN Platforms that I have experience with: - Mobile(Android and iOS) - Desktop and consoles (Xbox One, Nintendo Switch, PlayStation 4) - MacOS - VR and XR ( Hololens )
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    .NET Core
    OpenGL
    Game Development
    DirectX
    Python
    C
    C#
    Unity
    Unreal Engine
    C++
  • $15 hourly

    • 4.9/5
    • (15 jobs)
    Experienced in .NET and ReactJS, with experience with RestAPIs. I have over 5 years in .NET and almost a year actively learning ReactJS and frontend. I also have experince with (my)sql databases and connecting them with the backend. Thanks for cheking out my profile, looking forward to working with you Luka.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    CSS
    Windows App Development
    Android
    Sass
    RESTful API
    HTML
    SQL
    Web Application
    React
    Windows API Development
    Windows Forms
    Windows Presentation Foundation
    .NET Framework
    C#
    JavaScript
    Microsoft Visual Studio
  • $30 hourly

    • 4.9/5
    • (74 jobs)
    I am an embedded systems expert with 6+ years of experience in software and firmware development. I have extensive experience with: * Microcontrollers -- STM32, ESP32, ESP8266, and various Arduino Boards * Linux -- x86, ARM, and Raspberry Pi * Electronics -- Various sensors, Displays, and PCBs * Communication Protocols -- SPI, I2C, RS232, RS485, UART, etc I am well versed in developing firmware for multi-threaded enviornments using RTOS, FreeRTOS. My Knowledge of QT and C++ allows me to create UI's as well. I love to learn new technologies, and every challenge that I overcome assures me that I am in the right line of work. What I can do for you: --------------------------- Firmware Design: I have over six years of coding experience and can do firmware development for almost any embedded hardware with a rapid turnaround time. Hardware: Schematics, Circuit Design, Component Selection, PCB Layout. Specialization: I specialize in developing embedded products with GUI (Graphical User Interface). I am well versed in using Graphics Libraries(LVGL/QT) to create embedded devices. I do not claim to know all the technologies required for your projects, but I won't charge for my learning hours. The displayed rate can vary depending on the project, and I only charge for the hours spent actively advancing the project. I'd be more than happy to discuss your idea free of charge, so feel free to reach out to me. Best Regards, Ravi Kharb
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Hardware Prototyping
    Firmware Programming
    Internet of Things
    Qt Framework
    Microcontroller Programming
    Embedded System
    C
    C++
    Python
    Arduino
    Raspberry Pi
    STM32
    Embedded Linux
  • $20 hourly

    • 4.9/5
    • (87 jobs)
    Full Stack Genius at your service. As a seasoned IT- professional with over 12 years of experience, specializing in the design and development of web and mobile applications. I possess a proven track record of successful project implementations through a combination of technical proficiency and strategic acumen. Should you require any assistance with your project or seek IT-related consultation, I would be delighted to lend my expertise and help you achieve your objectives. Technical skills 1. PHP/MySQL, Laravel, 2. JavaScript, React Js, Node Js MEAN/MERN Stack, NoSQL 3. Custom API development and integration, 4. WordPress, Shopify, E-Commerce Websites with shopping carts and content management. 5. Real Estate website and Auctions & Deals software website portals. 6. Android/ Ios Mobile app Development 7. Experience building NFT marketplaces or should have in-depth knowledge in building NFTs and the marketplaces. 8. Demonstrate a good understanding of Blockchain fundamentals, the blockchain ecosystem, deployment topology and architectures, smart contracts, consensus algorithms.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    HTML5
    Laravel
    WordPress
    PHP
    JavaScript
    MySQL
    MVC Framework
    Mobile App Development
    CakePHP
    Search Engine Optimization
  • $21 hourly

    • 4.9/5
    • (52 jobs)
    I am a full-stack web developer with over 8+ years of experience building high-quality websites for clients worldwide. I have a strong focus on delivering business value and creating great user experiences, and I'm known for my ability to deliver clean, scalable, and maintainable code. I am familiar with various technologies of software development. I have good experience with database and business logic architecture and development. I have a diverse set of skills and experience, and I'm comfortable working with clients of any size - from startups and small teams to enterprises. I have a proven track record in industries such as automotive, eCommerce, retail, and fin-tech and I have ample experience with PHP, Core PHP, Laravel, Shopify, WordPress, WooCommerce, React, Vue, Next.js, TypeScript, Node.js, Express, etc. I'm always eager to learn and explore new opportunities. I am a seasoned game developer with a strong skill set and a keen interest in crafting enjoyable and captivating mobile games. With over 4 years of industry experience, I have contributed to a diverse range of projects, spanning from indie gems to expansive commercial releases. I possess a comprehensive understanding of both the Unity and Unreal game engines, enabling me to develop high-quality games across various platforms, including Desktop, Web, Mobile, and Console. Additionally, I am proficient in several other game development tools and technologies, such as C#, C++, and Javascript. Furthermore, I have experience using illustration tools to create 2D objects and 3D models for integration into games. I have worked with different top organizations in the US, UK, Switzerland, Dubai and Australia, etc.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    WordPress Plugin
    Ecommerce Website Development
    PHP
    Core PHP
    Web Design
    Figma
    WooCommerce
    Laravel
    Node.js
    React
    WordPress
    CSS
    JavaScript
    HTML5
    HTML
  • $35 hourly

    • 4.2/5
    • (49 jobs)
    Hello 👋 Experienced C# Desktop and Back-End Developer Ready to Elevate Your Projects! Are you in search of a skilled C# developer who specializes in both desktop applications and back-end solutions? Look no further! With a proven track record of delivering high-quality software and optimizing performance, I bring a wealth of expertise to your development needs. 🔹 C# Desktop Applications: With a keen eye for user-friendly interfaces and seamless functionality, I craft powerful desktop applications that cater to your specific requirements. From design to deployment, I ensure your software stands out in today's competitive market. 🔹 Back-End Brilliance: Behind every successful application lies a robust back-end. Leveraging my in-depth knowledge of C# and back-end technologies, I architect and implement efficient, scalable, and secure server-side solutions that drive your projects forward. 🔹 Problem Solver: Complex challenges? No problem! I thrive on turning intricate problems into elegant solutions. Whether it's optimizing performance, troubleshooting bugs, or enhancing functionality, I am dedicated to delivering results that exceed expectations. 🔹 Collaborative Approach: Communication is key to project success. I work closely with clients to understand their vision, provide regular updates, and incorporate feedback throughout the development cycle. Together, we create software that aligns perfectly with your goals. Ready to take your projects to the next level? Let's connect and discuss how my C# desktop and back-end development skills can bring your ideas to life. Your success is my priority!
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    DevExpress
    Windows App Development
    API Development
    Telerik
    ASP.NET Web API
    ASP.NET MVC
    .NET Framework
    C#
    Windows Presentation Foundation
    Entity Framework
  • $38 hourly

    • 5.0/5
    • (3 jobs)
    An eager sortware developer. The technology can be learned. Most work done in .NET Framework, C/C++, Ruby, Web.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    API Development
    Fortran
    HTML
    C
    Delphi
    .NET Framework
    JavaScript
    Java
    C#
    C++
  • $50 hourly

    • 5.0/5
    • (72 jobs)
    ✔ Software engineer ✔ Python expert ✔ Three years of experience ✔ Top Rated freelancer ✔ 100% Job Success I'm a Software Engineer and a Python Developer with three years of experience with this language. I can provide accurate machine learning models and implement them in real-time detection or prediction and add some improvements to old models with new functionalities. Added to that, I can build a desktop application with a modern design. Also, I had experience with image processing and editing using the most known and powerful algorithms. 💥My competencies : - Machine Learning - Computer Vision - Data extraction (from PDF, word, Json and others) - Data visualization - Data structure - Python Scripting - Algorithms & Algorithm implementation - Competitive programming - Audio processing - Matplotlib & Bokeh expert - Image processing - Python academic assignments - Project documentation - Dataset Labeling - Desktop application development 💥Other skills: - Canva Pro designer - Html & CSS & Js - PHP - JAVA - C&C++ - Windows - Linux I can improve code and develop Python tasks or projects depending on your requirements. You can see the feedback for the projects I have completed on Upwork. I am looking forward to working with you. 😊
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Software Development
    Artificial Intelligence
    Python Script
    Data Analysis
    Machine Learning
    OpenCV
    Python
    Data Visualization
    Data Science
    TensorFlow
    Computer Vision
    Deep Learning
    Plotly
    Matplotlib
  • $60 hourly

    • 5.0/5
    • (90 jobs)
    Expert-Vetted Company with 100% Success Rate! ☑️ 10+ years of experience in the industry ☑️ Top Rated+ Freelancer on Upwork ☑️ Technology Expert ☑️ Software Development Expert ☑️ React, PHP, MySQL, HTML, CSS, Flutter, Java, Kotlin, Swift, .NET, C#, Deluge, Python Laravel, Angular, Node.Js, Vue.Js, Blockchain, Metaverse, NFTs, Moralis, Solana etc. ☑️ My Promise: To Always Deliver ☑️ 100% Job Success Rate ☑️ Top 1% on Upwork My team and I have built software products in partnership with Google, Dell, Napster, and US BANK Our agency can support any development project. There is no programming language that we do not support. We also do Zoho CRM and Zoho Creator development work. We're an Authorized Zoho Partner, listed on the Zoho Website We're quickly becoming to the go-to team for anything related to Blockchain, NFT's, Metaverse, Moralis, Solana etc. We remain up to date on all of the latest cutting edge things happening in technology. We're NOW positioning ourselves as the go-to organization for Ai, ChatGPT, DALL-E and ALL Machine Learning types of projects. No matter what is you want to create. We can Help You! We're here to provide Quality work at an Affordable Rate! So that everyone can focus on growing their businesses and leave the tech work to us. I'm US based with a team located all around the globe. Contact me today to discuss your next big project. -Paul Elliott
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Blockchain
    Zoho Creator
    Marketing Strategy
    Zoho CRM
    ASP.NET
    Enterprise Resource Planning
    WordPress
    UX & UI
    PHP
    Flutter
    Node.js
    React
    iOS Development
    Android App Development
    React Native
  • $65 hourly

    • 5.0/5
    • (3 jobs)
    Experienced software engineer comfortable in any development environment who helped to evolve the company's software into a reliable, full-featured, and competitive product over the course of more than twenty fixed-budget, fixed-timeline projects. A voracious and gifted learner who is able to communicate technical ideas to non-technical people. Exceptionally good at reading and navigating code, insightful with debugging. Patient, meticulous, and upbeat.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    OpenGL
    MATLAB
    Android Studio
    CMake
    Android App Development
    Microsoft Visual Studio
    Git
    Python
    C++
    Java
  • $40 hourly

    • 5.0/5
    • (18 jobs)
    I am quite experienced in desktop development, with substantial experience in mobile and web development as well. I am skilled in C#, C++, Java, Python, and HTML/JS. I have experience working with Unity, OpenGL, and Android.
    vsuc_fltilesrefresh_TrophyIcon Win32 App Development
    Android
    OpenGL
    HTML
    Windows API Development
    JavaScript
    C
    C++
    C#
    Java
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