Hire the best C# Developers & Programmers in Ukraine

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  • $56 hourly
    Hello World! My name is Yan and I am React.js/Node.js developer. I consider my self rather experienced both with front-end and back-end. I really like to know how and why everything works (or not..). The list of skills may look like: HTML, CSS, JAVASCRIPT, C#, XML, XSL, REACT.JS, NODE.JS, FLUTTER, ADOBE PHOTOSHOP, BLENDER, GIMP, INKSCAPE, UNITY3D. Opened for any reasonable project and ready to invoke all my skills for the best results
    Featured Skill C#
    Flutter
    Unity
    ECMAScript 6
    API Development
    API Integration
    JavaScript
    Docker
    Golang
    CSS 3
    HTML5
    MongoDB
    React
    Node.js
    jQuery
  • $35 hourly
    👉 𝗦𝗸𝗶𝗹𝗹𝗲𝗱 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗳𝗼𝗿 𝗬𝗼𝘂𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 (𝟴+ yrs exp) 𝐈 𝐝𝐨𝐧’𝐭 𝐭𝐚𝐤𝐞 𝐨𝐧 𝐨𝐧𝐞-𝐨𝐟𝐟 𝐭𝐚𝐬𝐤𝐬 𝐨𝐫 𝐦𝐢𝐧𝐨𝐫 𝐛𝐮𝐠 𝐟𝐢𝐱𝐞𝐬 - I focus on long-term development projects, where I can bring 𝗿𝗲𝗮𝗹 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝘃𝗮𝗹𝘂𝗲 through scalable code, strong system architecture, and full-stack expertise that helps your business grow. I help startups, growing companies, and enterprise teams build, scale, and maintain web applications, using technologies like C# , .NET , ASP.NET Core , Angular , JavaScript , TypeScript , SQL , and Azure 💼 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿 𝗙𝗼𝗿 𝗬𝗼𝘂 💡 Custom Web Application Development Build secure, scalable web apps using ASP.NET Core , Angular , and Node.js . From MVP to enterprise-grade apps 💡 API Development & Integration Design and integrate fast, well-documented RESTful APIs , and connect external services like Stripe, Twilio, or custom CRMs 💡 Database Design & Optimization Build fast and scalable database systems with SQL Server , MongoDB , CosmosDB , and PostgreSQL . Query tuning, indexing, data migration 💡 Cloud Deployment & DevOps Set up continuous integration, deployment pipelines, and scalable infrastructure using Azure DevOps , AWS , and Serverless Framework 💡 I work with AI integrations using APIs like OpenAI or Google Cloud AI , adding smart features to your apps - while keeping my core focus on backend logic and system architecture 🏆 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 ✔️ 8+ Years of Experience in full-stack software development and system design ✔️ C# / .NET Expert : Skilled in building scalable and secure backend systems ✔️ Frontend Pro: Modern, responsive UI with Angular , RxJS , Bootstrap , Material UI ✔️ API Integration & Development : Custom REST API , third-party API integration , and documentation using Swagger ✔️ Database Architecture : High-performance data models with MS SQL Server , MongoDB , PostgreSQL ✔️ Azure & AWS Cloud Solutions : App deployment , CI/CD pipelines , and cloud database integration ✔️ Team Lead & Communicator : I’ve led Agile teams, managed sprints, and worked directly with product managers and founders 🧠 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗧𝗼𝗼𝗹𝘀 ⭐ Languages & Frameworks: C# , .NET Core , ASP.NET Core MVC , Razor , TypeScript , JavaScript , HTML , CSS , SQL , Node.js , Ionic Angular ⭐ Frontend Technologies: Angular , RxJS , NgRx , jQuery , Bootstrap , Angular Material , Tailwind CSS , React , Material UI Responsive Web Design ⭐ Architecture & Design Patterns: Domain-Driven Design (DDD) , SOLID Principles , Object-Oriented Programming ( OOP ) , Clean Code Principles , N-tier Architecture , Serverless Design , Microservices Architecture ⭐ Cloud & DevOps : Azure , AWS , Azure DevOps , Serverless Framework , Swagger , Postman , CI/CD , GitHub Actions , Bitbucket Pipelines ⭐ Database Systems : EF Core , TypeORM , MS SQL Server , MongoDB , DynamoDB , CosmosDB , SQLite , PostgreSQL ⭐ Project Management & Collaboration: JIRA , Azure Boards , Trello , Slack , Git , GitHub , Bitbucket , SQL Server Management Studio , Chrome DevTools Tech I Don’t Use I don’t work with Laravel , Symfony , PHP , or Python , but I can collaborate effectively with teams that do 🚀 𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝗦𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗜𝗺𝗽𝗮𝗰𝘁𝗳𝘂𝗹 𝗧𝗼𝗴𝗲𝘁𝗵𝗲𝗿! I bring more than just code - I offer long-term technical partnership, clean architecture, and development process that helps you launch and grow with confidence. 📩 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝘁𝗼𝗱𝗮𝘆 if you're ready to take your app or software idea to the next level!
    Featured Skill C#
    .NET Core
    Web Application
    API
    Node.js
    CSS
    ASP.NET
    React
    Web Development
    AngularJS
    JavaScript
    .NET Framework
    Angular
    TypeScript
    Microsoft SQL Server
  • $40 hourly
    Have experience in programming in Assembly language, Delphi, C++, C# Mostly interested in reverse-engineering tasks, feeling free with Debuggers, Disassemblers under Windows x86 and x64.
    Featured Skill C#
    Delphi
    Reverse Engineering
    C++
    Microsoft Windows
    X86 Assembly Language
    Assembler
  • $35 hourly
    🥇 Technical Lead at ServReality: Top 10 AR / VR Globally by Clutch ! 🚀 15+ years in iOS, Android, and Gaming — I'm your 💎 Mobile Solution Architect ! 🌟 Full cycle development of games ! I am a Senior Unity and Unreal AR VR developer with 12 years of experience in gaming. 🎯 𝗚𝗮𝗺𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 isn't just my job; it's my passion! I thrive on creating immersive experiences using Unity, Unreal, and Lumberyard. 🎮 What I do:: ✅ Mobile App Development: iOS (Objective-C, Swift, XCode) / Android (Java, Android Studio, Gradle) ✅ Augmented Reality: Vuforia, Wikitude, AR.JS, ARKit, ARCore, HoloLens, Meta 2, Moverio ✅ Virtual Reality: SteamVR, Oculus, Google Cardboard, Windows Mixed Reality, Optitrack, Dexmo ✅ Game Engines: Unity3D, Unreal, Lumberyard ✅ Art: Modeling, Texturing, Visualization 🎨 ✅ Creating mobile apps ✅ Machine learning (ML) ✅ Artificial intelligence (AI) ✅ Real-time messaging ✅ Group chats ✅ Voice and video calling ✅ File sharing ✅ Designing attractive and user-friendly interfaces ✅ Implementing backend functionality ✅ Testing ⭐ In the realm of AR and VR, I dance with technologies like Vuforia, Wikitude, ARKit, ARCore, HoloLens, Meta 2, Moverio, SteamVR, Oculus, and more! My mission? Pairing technical genius with creative flair for unparalleled client delight. Let's transform visions into extraordinary achievements! 🌍 AR/VR game development involves creating immersive experiences through augmented reality and virtual reality technologies. Popular tools include Unity and Unreal Engine for AR and VR game design, as well as ARKit and ARCore for mobile AR games. Developers build multiplayer VR games, incorporating features like gesture control, spatial mapping, and haptic feedback to enhance realism. Creating cross-platform AR games for devices like the Oculus Quest, HTC Vive, and mobile platforms, developers focus on elements like room-scale VR, AR object tracking, and VR game optimization. Attention to 3D modeling, game physics, and designing intuitive AR user interfaces and VR user experiences is crucial. Leveraging real-time rendering and incorporating augmented reality physics, the goal is to develop immersive, interactive environments that offer unique gameplay mechanics. By optimizing performance and ensuring seamless interaction, AR/VR game development pushes the boundaries of immersive technology in gaming. Related queries: game developer, mobile developer, ios developer, android developer, game art. ⚡️ Updated portfolio on February 28, 2025
    Featured Skill C#
    Mobile App
    PC Game
    Game Development
    Game
    C++
    Video Game
    Augmented Reality
    Virtual Reality
    Mobile App Development
    Smartphone
    iOS
    Unreal Engine
    Unity
    Android
  • $45 hourly
    Main work profile: battery chargers, USB Power Delivery, analog interfaces for sensors, low and high-speed ADCs, Bluetooth and wired data exchange, onboard local power sources (step-up, step-down, etc...), making basic firmware for: STM32, ESP32, PIC, AVR using native frameworks or/and Arduino framework, libs for attached hardware. Optimizing schematics/PCB/BOM (simple IoT or simple devices based on most popular components) for fast and low cost assembly. Experience in electronics design - 19 years Deep knowledge in Altium Designer, KiCAD and P-CAD. Also can freely work in EasyEDA, Diptrace, Eagle, MultiSim
    Featured Skill C#
    ESP32
    Altium Designer
    Microcontroller Design
    Electrical Layout Design
    Circuit Design
    Arduino
    Digital Electronics
    Electronics
    Hardware Prototyping
    KiCad
    Embedded System
    Bluetooth
    Electrical Engineering
  • $35 hourly
    I have experience in making applications for mobile platforms with Unity, as well as native plugins and SDK wrappers for Unity and Unreal Engine.
    Featured Skill C#
    iOS SDK
    Android SDK
    Unity
    Unreal Engine
    iOS
    Android
    Objective-C
    Java
    C++
  • $50 hourly
    About me: 🏆 My total programming experience is 15+ years 🏆Accredited "Top-Rated" on Upwork ⭐ 100% Job Success Rate on Upwork with all positive reviews. ⭐Seamless English Communication ✅ I work fast and achieve your goals on time ✅ Solid logical reasoning and problem-solving skills ✅ Responsiveness and high-quality delivery ✅ Best software development practices using. I have over 15 years of experience in commercial development for businesses, including more than 5 years of expertise in developing desktop application and 10 in Web Developing. Some of them were with big data and high-load systems. I know how to use best practices and choice correct architecture for your application. If you have an idea for an application, I can bring it to life for you using the best approaches for desktop application development. Additionally, if you have an existing application, I'd be happy to create new features or fix any bugs present ⏱️ I'm fully available Mon-Fri in the Europe time zone and can cover half of the day in US time 📆lf you are interested in creating a top-quality product for your business - let's schedule a call to see how we fit. Area of expertise: ⚪ Any kind of software written in C#,VB/.NET ⚪ Manage and programing SQL DataBases ⚪ Web development using ASP.NET Core/WebApi as a backend. ⚪ Cross-platform desktop development using .NET Core ⚪ Bild and manage team of your dream Other experience: ◻️ Managing project using Agile methodologies: SCRUM, Kanban. ◻️ Have a perfect understanding of fundamental concepts of software development ◻️ Experienced with JavaScript, VB6, VB.Net. SQL, HTML, CSS Soft skills: ◾ Fast learning ◾ Transparency and honesty ◾ Self-motivated remote employee ◾ Leadership skills
    Featured Skill C#
    Windows App Development
    .NET Core
    jQuery
    Database Management
    HTML5
    JavaScript
    Windows Forms
    Microservice
    Entity Framework
    MySQL
    Web Service
    ASP.NET Core
    .NET Framework
  • $38 hourly
    I am a highly experienced Unity / UE / 3D game developer. During my 10 years of experience in the game-making industry, I've created various projects with companies like Roomful, Mobikats Ltd, and Rogue Sun and I also made my own company called Stan’s Assets. It’s an outsourcing team focused on Games, VR, 3D Unity and UE projects. Thanks to my projects Stan’s Assets is holding the top chart position in the Asset Store for 5 years in a row. My company makes high-quality and cutting-edge products with a unique, immersive culture of assets. UE Projects: - Off The Grid - a dystopian Battle Royale game; - X8 - the next generation Hero Shooter; - LINCH - Linch is a multiplayer first-person card game where all the gameplay takes place in the train coupe; Unity projects: - TIN HEARTS 2 - A puzzle adventure game with complex AR elements and interactive storytelling; - GATHERINGS - Virtual spaces for meetings and chats, demonstrating my expertise in creating engaging, user-centered designs; - ORI AND THE WILL OF THE WISPS - an immersive platform-adventure game that showcases my proficiency in Unity animation systems and game architecture; - and more. Despite my VR experience in Unity, I managed a big development team (up to 60 people, more than 10 projects at the time) for more than 3 years. Prior to launching my own company, I did client-side development for iOS, Android, WP8, Mac, Win, and Web. I have experience with lots of languages and technologies but prefer to use Unity3D as the main instrument with C#, Java, and Objective-C. He has also developed and released different cross-platform applications Tin Hearts and others. Let's discuss how my expertise contributes to your project!
    Featured Skill C#
    Unreal Engine
    3D Art
    Game UI/UX Design
    Mobile Game Development
    3D Animation
    Visual Effects
    Mixed Reality
    iOS
    Virtual Reality
    Mixed Reality Application
    Android
    Game Development
    Unity
    3D Modeling
  • $50 hourly
    Hello! I am a professional developer with over 5 years of experience using Unreal Engine. ✅ Currently relocated to Europe My expert skills: ● C++/Blueprint ● Multiplayer(EOSCore, SteamAdvanced) ● Niagara System ● SCE SDK ● Game engine optimization ● TCP/UDP Network Replication ● Amazon GameLift ✅ Core Development: - Blueprint Scripting: Expert in Unreal Engine's Blueprint visual scripting system for rapid prototyping and development without extensive coding. - Skilled in using C++ for performance-critical aspects of game development, including custom gameplay mechanics and engine modifications. ✅ Animation: - Animation: Rigging and animating characters and objects, integrating animation into Unreal Engine, and using the Animation Blueprint for complex animation states. ✅Performance Optimization: - Profiling and Optimization: Using Unreal Engine’s profiling tools to identify and resolve performance bottlenecks, ensuring smooth gameplay across various platforms. - Level of Detail (LOD): Implementing LOD techniques to optimize game performance without compromising visual quality. ✅Networking and Multiplayer: - Multiplayer Development: Building robust multiplayer experiences, including server-client architecture, replication, and synchronization. - Online Subsystems: Integrating online subsystems such as Steam, EOSCore for multiplayer functionality and achievements. ✅ Virtual Reality (VR) and Augmented Reality (AR): - VR/AR Development: Creating immersive VR and AR experiences using Unreal Engine’s VR/AR framework, including OCULUS Meta Quest 2,3 - Motion Controls: Implementing motion controls and optimizing performance for a seamless VR/AR experience.
    Featured Skill C#
    Mobile App Development
    Multithreaded Programming
    PC Game
    3D Animation
    Game Development
    Game
    Unity
    C++
    Steam
    Mobile Game
    Performance Optimization
    Unreal Engine
    Game Consultation
    Online Multiplayer
  • $40 hourly
    Hello UpWork! I do automation. Development of templates to automate many administrative and web workflows (ZennoPoster) I will do Web Scraping, Human emulation, GET/POST, Data Entry, Data Extraction, API/SQL integration, TelegramBots development etc; I work with websites, social networks, online stores, big files, forums etc. My experience more than 5 years in the project management, site administration, Search Engine Optimization, E-Mail Marketing, data scraping I like to focus on providing value to my clients and I consider my success as customer satisfaction. Do you have any questions? Just contact me I can't wait to help you take your business to the next level Below you can see a list of my skills and abilities. But my main ability is to solve the problems of my clients! :) • (4 year experience) Web automation. Development of templates to automate many administrative and web workflows (ZennoPoster): -- C# -- Regex -- XPath -- MySQL -- Post/Get -- Web Scraping -- API integration -- Human Emulation scripts • (1 year experience) E-Mail Marketing: -- Creating and configuring an SMTP mail server. -- Creating SH-scripts (automate config for mail server) -- PMTA Installing and configuring -- MailWizz Installing and configuring -- Mail warm up. • (3 years of experience) Websites’ promotion in search engines Google, Yandex, Bing: - website analytics; - keyword research; - semantic core clustering; - website structure development; - link building; - website content analysis; - assignment of tasks to copywriters; - assignment of tasks to program-developers; - work with text, behavioral and commercial ranking factors. • (4 years of experience) Project Manager: - Project design development Figma - Technical requirement development - Supervision of performance, verification of work. product testing. - Site administration, technical support, content moderation.
    Featured Skill C#
    Data Scraping
    Zennolab ZennoPoster
    XPath
    Email Software
    Data Mining
    Email Automation
    Automation
    MySQL
    On-Page SEO
    Technical SEO
    Web Design
  • $50 hourly
    🚀 I harness the power of full-stack technologies to address and solve business challenges. With a deep understanding of NodeJS, .NET, C#, React, PostgreSQL, MySQL, and cutting-edge AI like ChatGPT and Dall-E, I design bespoke solutions for distinct needs. 🎥 I am also proficient in nexrender, offering automated rendering solutions for Adobe After Effects workflows. 🌟 Over 3 years, I've cultivated a knack for developing robust and adaptable software solutions. My portfolio spans from nimble startups to industry-leading enterprises, always ensuring timely and budget-conscious delivery. 🔧 My tech arsenal includes, but is not limited to, NodeJS, React, PostgreSQL, MySQL, Git, Ubuntu, HTML, CSS, and JS. 📱 Crafting bots for platforms such as Telegram, Viber, Discord, and WhatsApp is another feather in my cap. ✨ My dedication to excellence, combined with a thirst for innovation, drives me to provide stellar solutions. Remaining abreast of emerging technologies and trends, I ensure that I bring the latest and greatest to the table. My ability to communicate effectively, combined with a dedication to my clients, makes me a trusted tech partner. My expertise includes: ✔ Crafting Web Solutions (React, HTML, CSS, JS, Node.JS, .NET) ✔ Mobile App Development for Android/IOS (React Native) ✔ Engaging with AI tools: OPENAI, ChatGPT, GPT3 ✔ Handling API interactions and custom API creations ✔ Mastery over Databases (MySQL, MongoDB, PostgreSQL) ✔ Version Control with GitHub, GitLab ✔ Streamlining Business Processes using nexrender
    Featured Skill C#
    CSS
    HTML
    Redux
    React
    Node.js
    Adobe After Effects
    JavaScript
    Database
    Entity Framework
    Database Management System
    Full-Stack Development
    Front-End Development
    PostgreSQL
    MySQL
  • $35 hourly
    Are you looking for a motivated and professional developer? You’re on the right page👌 Hi, my name is Illia, I'm a skilled and dedicated Full-stack developer with 4+ years of experience in full-cycle software development from concept to support and maintenance My competencies include working with: ✅ Backend Technologies: C#, .NET, ASP.NET, NodeJS, NestJS ✅ Frontend Technologies: JavaScript, TypeScript, Angular, Razor Pages, React ✅ Testing: Unit, Functional, Integration, End-to-End (e2e) ✅ Web Development: HTML, CSS, SASS, SCSS, LESS, Angular Material, Bootstrap, Tailwind ✅ Database Management: MSSQLSERVER, MySQL, PostgreSQL, Redis, MongoDB, Firebase ✅ Cloud Services: Azure, AWS ✅ Software Architecture: DDD (Domain-Driven Design), Clean Architecture, Microservices, Serverless, Layered ✅ Coding Principles: Familiar with GOF Patterns, SOLID, DRY, KISS, YAGNI ✅ Message Queues: RabbitMQ, Redis ✅ Version Control: Git 🔹I am always striving for excellence and am ready to work on projects of any complexity. 🔹I am a fast learner and willing to learn new technologies and frameworks to stay up to date with the latest trends in the industry. 🔹I also appreciate quality communication, so I am ready to offer you timely communication and solutions that will be useful in the long run. 🔹I am sure my experience and skills can be useful for your company and I will gladly participate in your project. If this sounds like a fit for you, I’d love to chat – invite me to interview and grab some time: calendly.com/yegorovv-ilya
    Featured Skill C#
    Firebase
    AWS CodeDeploy
    NestJS
    Docker
    MongoDB
    PostgreSQL
    SQL
    Azure DevOps
    .NET Framework
    ExpressJS
    Next.js
    Node.js
    Angular
    JavaScript
  • $35 hourly
    𝟲+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 | 𝟮𝟱+ 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 I am an expert 𝐆𝐚𝐦𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with over 𝟲 𝘆𝗲𝗮𝗿𝘀 of experience with a strong command of C# and Unity3D, specializing in multiplayer, VR/AR, AI integration, and blockchain-based gaming solutions. My experience spans across PC, mobile, and VR platforms, focusing on scalable, high-performance game systems. I have successfully worked with multiple game studios, delivering engaging and technically optimized gaming experiences. 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: - Multiplayer Game Development (Photon, Mirror, UNET, Quantum Photon) - VR/AR Development (Meta Quest, Apple Vision Pro, ARCore, AR Foundation, Vuforia) - AI Integration (NPC behavior, chatbots, AI-driven gameplay mechanics) - Blockchain & Web3 (Smart contracts, NFT integration, blockchain-based in-game economies) - Game Optimization (Performance tuning for mobile and high-end platforms) - CI/CD & Version Control (Git, GitHub, GitLab, automated pipelines) - Publishing & Monetization (App Store/Google Play submission, in-app purchases, ad integrations) Notable Projects: Undeads (Steam & Mobile) – Multiplayer survival game with Web3 integration Match3 Stars (Google Play) – Competitive multiplayer puzzle game VR Training Simulations – Immersive VR experiences for industrial training I am flexible, collaborative, and open to feedback. My focus is on delivering high-quality, scalable game systems that meet both technical and business goals. Let’s discuss how I can contribute to your project.
    Featured Skill C#
    WebGL
    Clean Architecture
    Postman
    Docker
    GitLab
    Jira
    Git
    NFT Marketplace
    AR & VR Development
    Game Development
    Unity
  • $40 hourly
    I am a highly skilled .NET developer with over 5 years of experience in building cross-platform applications, desktop software, and interactive solutions using MAUI, WPF, Unity, and Blazor. My expertise lies in developing high-performance, scalable, and user-friendly applications that align with business goals. 🔹 What I Offer: ✔ .NET MAUI Development – Cross-platform mobile & desktop apps with a native feel ✔ WPF (Windows Presentation Foundation) – High-performance desktop applications ✔ Unity Development – Interactive apps, 3D simulations, and game development ✔ Blazor Web Apps – Modern, server-side and WebAssembly-based interactive web solutions ✔ C# & .NET Expertise – Strong background in backend development with APIs, databases, and cloud integration ✔ Performance Optimization & Debugging – Ensuring smooth performance and fixing critical issues 💡 Why Work With Me? ✅ Proven track record of delivering high-quality .NET applications ✅ Strong grasp of MVVM, Dependency Injection, and .NET Core frameworks ✅ Experience integrating Azure, AWS, SignalR, and real-time data processing ✅ Dedicated to writing clean, maintainable, and scalable code ✅ Exceptional problem-solving skills with a user-centric approach 📌 Tech Stack & Tools: 🔹 Languages & Frameworks: C#, .NET, MAUI, WPF, Blazor, ASP.NET Core 🔹 Cloud & Database: Azure, AWS, SQL Server, PostgreSQL, Firebase 🔹 Game & UI Development: Unity 3D, XAML, MVVM, Prism, Telerik UI 🔹 Tools & Version Control: Git, GitHub, GitLab, Bitbucket 💼 Let's Build Something Amazing! If you're looking for a reliable, experienced, and results-driven .NET expert to develop or optimize your application, let’s connect!
    Featured Skill C#
    ASP.NET
    Python
    Unity
    Blazor
    C++
    Xamarin
  • $70 hourly
    I'm a dedicated computer vision and deep learning engineer with 5+ years of practical experience. I have a solid academic background in image processing and classical computer vision, as well as a deep understanding of DL-based methods for visual intelligence. I'm proficient in: ✔️ object detection and tracking (faces, people, cars, balls, hands, etc.) ✔️ image/object segmentation ✔️ pattern detection (text, fiducials, planar objects, etc.) ✔️ depth estimation (mono, stereo) ✔️ 3D localization and SLAM ✔️ 3D reconstruction, 3D meshing, 3D texturing. Typically, my work is not limited to Python prototyping. I was involved in several projects, from the POC stage to the working product. More specifically, I'm using the following things daily: ✔️ developing AI solutions with OpenCV, TensorFlow, PyTorch ✔️ implementing CV algorithms in C++ ✔️ deploying CV/DL solution on the edge (mobile and embedded) ✔️ optimizing DL architectures for real-time performance ✔️ exploiting iOS frameworks like ARKit, RealityKit, and SceneKit ✔️ handling C# and Unity, porting of custom AI solutions within the Unity ecosystem. As a technical leader, I'm responsible for the full cycle of CV/DL project. I'm sure my broad expertise, R&D mindset, and unique experience will impress you. Looking forward to our collaboration!
    Featured Skill C#
    ARKit
    AR & VR Development
    AR & VR Applications
    Mixed Reality
    Augmented Reality
    Artificial Intelligence
    iOS
    Unity
    C++
    Python
    Machine Learning
    Computer Vision
    Deep Learning
    Deep Neural Network
  • $35 hourly
    Hi, I’m Bogdan! For the past 7 years, I’ve been immersed in the world of game development, and Unreal Engine has been my playground. From creating thrilling gameplay mechanics to designing immersive VR experiences, I’m passionate about every detail that goes into bringing a game to life. My journey in game programming has taken me across diverse projects, each pushing me to refine my skills, embrace challenges, and stay at the forefront of innovation. I’m not just a programmer; I’m a storyteller at heart who believes in crafting experiences that resonate with players. My expertise in C++ and Blueprint allows me to tackle complex game systems while making sure every element feels seamless and intuitive. While I enjoy diving deep into code, I’m equally comfortable collaborating closely with teams or working independently to deliver results that exceed expectations. Key Skills & Expertise: ✅ Advanced Gameplay Programming and System Development ✅ VR/AR Prototype and Development using Unreal Engine ✅ Proficiency in C++ and Unreal Blueprints ✅ Physics and AI Implementation for Realistic Gameplay ✅ Networked Multiplayer Design and Development ✅ Seamless UI/UX Integration for Intuitive User Experience ✅ Environment Design with Unreal Engine Tools ✅ Optimization for Smooth Performance on All Platforms ✅ Expertise in Unreal Engine Sequencer and Animation Blending ✅ Use of Git, Perforce, and Version Control for Team Projects ✅ Upwork Top Rated ✅ Game Mechanics Development and Optimization ✅ Comprehensive Documentation for Smooth Project Flow ✅ Advanced System Development and Integration ✅ Animation Blending and Implementation ✅ Efficient Bugfixing and Game Optimization ✅ Game Localization for Diverse Audiences ✅ Mastery of Unreal Sequencer and UE GAS I’m committed to quality, transparency, and open communication, ensuring that you’re always in the loop and confident in the direction of the project. Whether you’re looking to build a VR experience, an intense action game, or an open-world adventure, I’m here to help make your vision a reality. Let's create something unforgettable together! Best regards, Bogdan
    Featured Skill C#
    AR & VR
    Gaming Console
    Game
    Metaverse
    PC Game
    Mobile Game Development
    Game Mechanics
    Prototyping
    Multiplayer
    Game Development
    Video Game
    Unity
    C++
    Unreal Engine
  • $40 hourly
    Hi, I am Chuiev Dmytro - Full Stack Web and Desktop Application Developer. ✨✨Who am I ? ✨✨ I'm a seasoned developer specializing in a diverse range of programming languages and technologies. With a passion for problem-solving and a commitment to excellence, I always try to deliver tailored solutions that meet and exceed client's expectations. ✨✨Key Skills:✨✨ 💠Front-end: React, React-Redux, Next.js, Vue.js, JavaScript, HTML5, CSS3, TailwindCSS, SCSS, Bootstrap, jQuery, Laravel 💠Back-end: Node, Express, C#, PHP, Python, Django, Java, RESTful APIs, GraphQL 💠Database: MySQL, PostgreSQL, MongoDB, Oracle, Firebase 💠Desktop: Electron, Qt, WPF, JavaFX 💠CMS: WordPress, Joomla, Shopify, WebFlow 💠Web Scraping: Selenium, Puppeeter, Beautiful Soup4, Playwright, reCAPTCHA Solver ✨✨Services Offered:✨✨ 💠Front-end Development: Crafting responsive and user-friendly interfaces using React, Vue, and other modern technologies. 💠Back-end Development: Building robust server-side applications and APIs using Node.js, Python, C#, Java Spring Boot, Struts2, and related frameworks. 💠Desktop Application Development: Creating cross-platform desktop applications using Electron, Qt framework for enhanced user experiences. 💠CMS Development: Designing and developing custom WordPress themes and plugins, optimizing performance, and providing ongoing support and maintenance. ✨✨Why Choose Me:✨✨ 💠Extensive Experience: With 4 years of experience in software development, I have honed my skills across various technologies and domains. 💠Quality Assurance: I am committed to delivering top-notch solutions that meet the highest standards of quality and performance. 💠Client Satisfaction: Client satisfaction is my top priority, and I work closely with clients to understand their requirements and exceed their expectations. 💠Effective Communication: I believe in transparent and effective communication to ensure that projects are completed smoothly and on time. 🚀🚀If you're looking for a seasoned developer, you've come to the right place. Let's discuss your project requirements and turn your ideas into reality!🚀🚀
    Featured Skill C#
    WordPress
    Electron
    Django
    TypeScript
    Back-End Development
    Front-End Development
    Full-Stack Development
    PostgreSQL
    Node.js
    Next.js
    JavaScript
    Python
    Vue.js
    React
  • $50 hourly
    ⚡ Fast turnarounds | ⭐ High quality of work | ☎ On-Demand Service | 🕛 Full Time Availability ✅ Verifiable projects | ⭐️ 10+ Successfully Completed Projects | 💎 Expertise in SaaS, CRM, CMS, ERP, AI, Blockchain, E-commerce, Booking and Reservation System, Analytics and Reporting Tools, Healthcare Management Systems, Financial Management, Real-Time Communication Tools development ➤ Key Technical Proficiencies: 👉 Frontend Development: ☑ Frameworks & Libraries: React.js (including Redux, Redux-Thunk/Saga, Formik), Next.js, Angular, Vue.js, Nuxt.js ☑ Languages & Technologies: ES6/7/8, TypeScript, D3.js, HTML5, CSS3 (LESS, SASS), TailwindCSS, Styled-components, Twig, Canvas ☑ UI/UX Tools: Figma, Zeplin, Adobe XD, Sketch, InVision ☑ UI Frameworks: Bootstrap, Material UI, Kendo UI, Ant Design, Chakra UI 👉 Backend Development: ☑ Languages & Frameworks: Node.js (Express.js, Nest.js), Python (Django, Flask), PHP (Drupal, Laravel, Codeigniter), C# (.NET Framework, ASP.NET, ASP.NET MVC), GraphQL/Apollo ☑ Tools: Webpack, Vite, Gulp, TravisCI 👉 Blockchain Development ☑ Solidity, Rust, Go, Docker ☑ Defi, DAO, Any DApp on EVM ☑ Mint & Staking, NFT and Airdrop on EVM, Cosmos, XRPL, Solana chains ☑ Web3.js, Wallet Connect Integration, Bug fix, Smart contract Audit, 100% security 👉 Database & ORM: ☑ Databases: MySQL, PostgreSQL, MongoDB, Firebase Cloud Firestore, AWS DynamoDB ☑ ORM Libraries: TypeORM, Prisma, Sequelize, Mongoose, Hibernate, Entity Framework 👉 Cloud & DevOps: ☑ AWS Services: S3, EC2, Amplify, Lambda, API Gateway, SQS, SNS, Textract, Quicksight, VPC, RDS, Cloudfront, and more ☑ Other Platforms: Digital Ocean, Azure, Google Cloud Platform, Heroku 👉 Testing & Payment Integration: ☑ Testing Tools: Jest, Mocha, Cypress, pytest, unittest ☑ Payment Services: Stripe, PayPal, Apple Pay, Google Pay, Square, and more 👉 Big Data: ✅ Big Data Tools Integration (e.g., Apache Hadoop, Apache Spark) ✅ ETL Processes Implementation (Extract, Transform, Load) ✅ Data Retention Policies ✅ Distributed Computing ✅ Hadoop Cluster Management ✅ Stream Processing Systems (e.g., Apache Kafka) ✅ NoSQL Databases (e.g., MongoDB, DynamoDB) ✅ ML Toolkits (e.g., TensorFlow) ✅ Lambda Architecture 👉 Data Science: I help build business owners and their teams robust predictive analytics systems to better align their budgeted with the actual figures at year end, thereby reducing the delta and increasing the likelihood of shareholder alignment, improving the company's going-concern assumption for the stakeholders, and thereby improving the share value in the long run. ✅ Selecting features, building and optimising classifiers using ML techniques. ✅ Data mining ✅ Data collection ✅Third-Party Data Integration (e.g., APIs, Web Scraping) ✅ Data Integrity Verification ✅ Anomaly Detection Systems ✅ Query Language Proficiency (e.g., SQL) ✅ Scripting Skills (e.g., Python) ✅ Statistical Analysis ✅ Effective Communication Skills ➤ Benefits of working with me: • I will take all of the technical headaches off your hands, giving you more time to serve your clients, do what you love, and enjoy time with your family. • Your project's success will be my number one priority, and I will do whatever it takes to deliver an effective solution to you. • Access to me by email and phone 12 hours per day. • Less than 1-hour response times on technical questions/issues during business hours. Driven by a passion for innovation and backed by a strong foundation in cutting-edge technologies, I'm committed to propelling your business towards unparalleled success. Let's harness the power of tech to revolutionize your operations! I look forward to working with you and making your business run more smoothly than ever. 🚀
    Featured Skill C#
    .NET Core
    Smart Contract
    Blockchain
    Docker
    Angular
    Vue.js
    PostgreSQL
    MongoDB
    SQL
    Django
    Python
    Node.js
    Next.js
    React
  • $40 hourly
    I am a Full Stack Developer with more than 7 years of extensive expertise in crafting, building, and launching dynamic web applications across multiple industries, such as e-commerce, ERP solutions and healthcare. Frontend Development: I have extensive expertise in modern front-end frameworks such as React, Vue.js, Angular, and Next.js. My primary focus is on creating responsive and user-friendly interfaces, particularly for the e-commerce industry. I excel at designing engaging shopping experiences that enhance conversion rates and boost customer satisfaction. I have successfully integrated Shopify into various projects, customizing themes and developing applications to optimize online storefronts and elevate user engagement. Backend Development: In backend development, I am skilled in creating robust APIs using Node.js, Express.js, and Fastify, and I have substantial experience with PHP and Laravel. I also leverage frameworks like Flask and Django in Python for various projects. My expertise extends to Golang, where I develop scalable applications. I focus on implementing ERP solutions that optimize workflows and enhance operational efficiency. Additionally, I have a strong background in Java Spring Boot for enterprise-level applications and C# - .Net for building dependable, scalable solutions. Mobile Development: I focus on creating high-performance cross-platform mobile applications with React Native, providing outstanding user experiences. My portfolio includes cutting-edge mobile solutions for healthcare organizations. I excel in team-oriented, agile settings, consistently delivering high-quality software solutions on schedule. My dedication to producing clean, maintainable code goes hand in hand with a relentless pursuit of process optimization and a strong enthusiasm for emerging technologies, all aimed at driving innovation and improving user experiences. Languages: PHP, Python, JavaScript, C#, Java, Golang Backend: Laravel, .NET, Express.js, Fastify, Flask, FastAPI, Django, Spring Boot Frontend: React, Vue.js, Angular, Next.js, Shopify Mobile: React Native
    Featured Skill C#
    FastAPI
    Shopify
    Flask
    Spring Boot
    Angular
    Golang
    Django
    Laravel
    React Native
    Vue.js
    Next.js
    ExpressJS
    React
  • $35 hourly
    🎮 Hello! I'm a passionate game developer with deep expertise in crafting immersive, high-quality games and interactive apps across multiple platforms! 🚀 Whether it's mobile (iOS & Android) 📱, PC 🖥️, or Telegram 💬, I bring creativity, technical excellence, and a love for innovation to every project. Let’s build something amazing together! 🔥 We're offering a 𝐅𝐑𝐄𝐄 𝟒𝟎-𝐦𝐢𝐧𝐮𝐭𝐞 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 to help to find the best approach for you! My expertise spans across a range of game development technologies, including: 𝐆𝐚𝐦𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: ✅Unity 3D (C#) ✅Unreal Engine (C++) ✅Telegram Game Development & Bots ✅Android & iOS Game Development ✅PC & Mobile Game Development ✅Augmented Reality (AR) Game Development ✅Virtual Reality (VR) Game Development 𝐀𝐫𝐭 & 𝐀𝐧𝐢𝐦𝐚𝐭𝐢𝐨𝐧 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧: ✅Photoshop (2D Art) ✅MidJourney (AI-generated art) ✅Unity 3D (Asset Creation & Optimization) ✅Blender (3D Modeling & Animation) ✅3D Max (3D Modeling & Animation) ✅Spine (2D Animation for Games) ✅Adobe After Effects (2D Animation & Motion Graphics) Game Genres I Can Build: ⚔️ Combat & Fighting Games 🚀 Sci-Fi & Space Exploration Games 🧠 Puzzle & Strategy Games 🏎️ Racing & Simulation 👻 Horror & Survival 🪄 Fantasy & Role-Playing (RPG) 🧩 Casual & Hyper-Casual Games 👥 Multiplayer & Online Games I'm here to bring your vision to life — fast, smooth, and without compromise. 🚀Whether you need a fully functional game, a custom Telegram bot, or high-quality animations for your project, I can bring your vision to life. Let’s work together to create something amazing!
    Featured Skill C#
    Video Game Software
    3D Illustration
    2D Illustration
    NFT Character
    Character Development
    Game Art
    PC Game
    AR & VR
    Mobile Game Development
    C++
    Unreal Engine
    Game Development
    Unity
    Game
  • $40 hourly
    👋Hi 🤗, I'm Serhii. Welcome to my profile! I’m a Software Engineer with +9 years experience in frontends and robust backends, transforming ideas into engaging user experiences. My motto? Code with flair while delivering excellence! 💻✨ When I'm not busy debugging or perfecting APIs, you can find me diving into the latest tech trends, experimenting with new tools, or pondering life's mysteries, like why my favorite coffee keeps disappearing! ☕️🤔 For the past 3 years, I have been actively learning about AI, LLMs, agents, and automation while working on various projects. In my role, I focus on identifying problems and suggesting effective solutions. I am also capable of taking on team lead responsibilities. 💼Web Development Skills: ✅ Back-End: Node.js, NestJS, Laravel, Django/Flask/FastAPI, Spring Boot, Spring AI, .NET, ✅ Front-End: React, Next.js, Angular, Vue ✅ Database: MySQL, PostgreSQL, MongoDB, Redis ✅ Restful APIs: Stripe, Paypal, Meta APIs(Graph, Marketing), Google APIs(Sheet, Calendar, Gmail) ✅ Real-Time: Socket.io, Websockets ✅ Automations: Make.com, n8n ✅ Baas: Supabase, Firebase ✅ DevOps: Docker, Kubernetes, Jenkins, GitHub Actions ✅ Cloud Platforms: AWS, Azure, GCP 💼AI Skills: ✅ LLM: GPT-4, GPT-4o, Genimi, Claude, Mistral, Llama, DeepSeek ✅ AI Frameworks: Langchain, LangGraph, Flowwise, Autogen, CrewAI ✅ Voicebot framework: Vapi, Bland AI, Retell, Air AI ✅ AI & ML Tools: Chainlit, Streamlit, Gradio, Plotly & Dash, Panel, Anvil, Numpy, PySpark, Pandas, PyTorch, TensorFlow, Keras, Vertex AI, SageMaker ✅ TTS: ElevenLabs, Scribe, Whisper ✅ TTI: DALLE, Midjourney, Stable Diffusion, DreamBooth, Sora
    Featured Skill C#
    MongoDB
    Web Development
    Angular
    TypeScript
    JavaScript
    Amazon
    PostgreSQL
    Spring Boot
    .NET Framework
    Django
    Node.js
    React
    Java
    Python
  • $35 hourly
    Experienced Full Stack Developer with a proven track record in designing, developing, and deploying innovative E-commerce platforms and immersive 3D, AR/VR solutions. Skilled in creating seamless user experiences for furniture and retail industries by integrating cutting-edge technologies like 3D visualization and augmented reality. Proficient in end-to-end development, from front-end design to back-end functionality, ensuring scalable, responsive, and high-performance applications. Passionate about leveraging technology to solve complex problems and deliver engaging, interactive experiences that drive customer satisfaction and business growth. Ready to bring expertise in E-commerce, 3D modeling, and AR/VR to deliver exceptional results for your next project.
    Featured Skill C#
    Django
    Kotlin
    Unity
    React Native
    Node.js
    PostgreSQL
    Next.js
    React
    Python
    WebGL
    TypeScript
    JavaScript
    D3.js
    Three.js
  • $60 hourly
    As the creator of Swiftify, a leading product for Apple developers, I have experience with all aspects of the product development lifecycle. I have been working on a SaaS website, mobile and desktop apps, and integrations with external systems. I am particularly interested in these types of projects: - iOS and macOS apps (iPhone, iPad, Apple Watch, Apple Vision Pro) - Backend development using .NET Core, ASP.NET MVC, and WCF - Plugins for web browsers, Microsoft Office applications, IDEs - Language parsers and transpilers based on ANTLR In addition to building my startup, I have also had a variety of roles, from freelance software development to building a software company. I pay great attention to detail and write very well-structured and documented code. I am comfortable working solo, as part of a team, or managing a team of developers.
    Featured Skill C#
    XML-RPC
    HTML
    iPad App Development
    Microsoft SQL Server Programming
    Windows API Development
    SOAP
    JavaScript
    HTML5
    ANTLR v4
    .NET Core
    AI Development
    Apple Xcode
    SwiftUI
    Swift
    Objective-C
    macOS
    iOS Development
    MySQL
    Microsoft SQL Server
    C++
  • $45 hourly
    🚀 I build robust, high-performance C++/.Net software solutions customized for Web, Desktop, and Office Add-in applications. ✅ With 💯% positive feedback, 🌟6500+ hours, and 🌟30+ challenging projects successfully completed on Upwork - plus numerous projects delivered previously - I bring over 22 years of software development experience to every project. Whether you're developing sophisticated web applications, powerful desktop software, advanced Office add-ins (VSTO, Office JS API, OpenXML), or specialized software for CAD and 3D-printing systems, I consistently deliver solutions tailored precisely to your business needs. ⏰ Flexible to work within U.S. or European business hours, ensuring smooth collaboration and communication. Core expertise: ⚡ High-Performance & Real-Time Systems: Custom solutions for latency-sensitive applications and complex data pipelines. Performance optimization, multi-threaded and asynchronous code, Boost/Boost.Asio for high-efficiency networking. 🌐 Full-Stack Web Development: React, ASP.NET Core, RESTful APIs, PostgreSQL, Redis, MongoDB, WebSockets, Azure, AWS. Skilled in integrating third-party APIs and building scalable backend infrastructure. ⚙️ Advanced C++ & C# Engineering: System-level development, cross-platform libraries, SDKs, and Office automation. Proficient in building stable, secure, and efficient codebases. 🔐 Licensing, Security & Cryptography: Secure license servers, PKI systems, encryption libraries, and application hardening using industry best practices. 🖥️ Desktop Applications: WPF, WinForms, MFC, and modernization of legacy Windows applications. 📎 Office Add-ins: VSTO, Office JavaScript API, and deep OpenXML integrations for document processing and automation. 📐 CAD & 3D-Printing Software: Plugins and custom tools for CAD and additive manufacturing workflows. ☁️ Cloud Platforms: Deployment and integration with AWS and Azure, including containerized and serverless environments. 💻 Languages & Platforms: C++, C#, JavaScript | Windows, Linux, Cross-Platform 🔄 Modernization: Transforming legacy systems into scalable, maintainable modern solutions. 🌟 Check out my client feedback - it speaks even louder than my introduction. Let's discuss your Web, Desktop, Office Add-in, or specialized CAD/3D-printing software needs - I'm ready to help you!
    Featured Skill C#
    SQL
    ASP.NET
    CSS
    ASP.NET MVC
    Blazor
    Microsoft Azure
    XAML
    .NET Core
    Boost
    .NET Framework
    C++
    JavaScript
    C
    MongoDB
  • $46 hourly
    Algorithmic development (3D geometry, image processing, 15 years). C++ development (16 years of experience). Understanding user needs and improving given requirements. Consulting on algorithms.
    Featured Skill C#
    Image Processing
    Qt Framework
    JavaScript
    Python
    Three.js
    Algorithms
    Geometry
    CMake
    Requirement Analysis
    3D Model
    C
    Mathematics
    Algorithm Development
    C++
  • $50 hourly
    Fast, smart, efficient work. • 12+ years of experience in IT; • Successfully led and managed a few projects with cross-functional teams across the globe; • Highly experienced front-end & back-end developer with focus on desktop and web applications; • Have in-depth knowledge of Transact-SQL (postgre, ms sql, oracle, etc). Most used languages: C++, Java, C#, Objective-C, Delphi. Short list of used technologies (not full): • ADO.NET • ASP.NET (+Ajax, MVC, WebForms) • WPF • Jetty, Unirest, Jersey • Spring Framework, Hibernate, Guava, Shiro, Jackson, etc • AngularJS, Telerik, Crystal, Bootstrap, DevExpress, etc It doesn't matter what the language you're using. They all are almost the same.
    Featured Skill C#
    Project Management
    Oracle PLSQL
    Objective-C
    Database Design
    PostgreSQL Programming
    AngularJS
    Windows Presentation Foundation
    ADO.NET
    .NET Framework
    Java
    SQL
    C++
  • $100 hourly
    With over 15 years in IT and over a decade of expertise on Microsoft Azure, my primary focus is helping businesses succeed through cloud solutions that drive efficiency, automation, and scalability. I leverage my background in pre-sales and technical leadership to deliver tailored, results-driven solutions that align with business goals. Key achievements include helping DataArt achieve Microsoft Gold Cloud Competency, leading early Office 365 integration in Ukraine, and building DevOps and cloud capabilities at scale. From cloud architecture to CI/CD automation, my approach combines technical precision with a deep understanding of business needs.
    Featured Skill C#
    Cloud Security
    Cloud Security Framework
    Information Security Consultation
    Information Security
    Microsoft Visual Studio
    Microsoft Windows PowerShell
    .NET Framework
    Microsoft Azure Administration
    Azure Bot Service
    Azure App Service
    Azure Cosmos DB
    Microsoft Azure SQL Database
    Azure DevOps
    Microsoft Azure
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