Hire the best C# Developers & Programmers in Chicago, IL

Check out C# Developers & Programmers in Chicago, IL with the skills you need for your next job.
  • $350 hourly
    I have extensive experience in most algorithmic trading platforms, (Tradestation / Easylanguage, Sierracharts, Multicharts / .Net, QuantConnect, Ninjatrader) -- I can QUICKLY automate almost any strategy logic you have in mind. I also have extensive PM experience, can help ‘optimize’ (don’t literally optimize) various strategies while avoiding pitfalls like overfitting, determine optimal allocations between systems, and get you live in as little time as possible. Proficient in Python, C++, C, C#, Rust. Experience in Java, Matlab, R, Go. I've placed highly in many worldwide trading competitions in various asset classes, have a decade of experience in Futures & Options, including at a leading OMM firm, top Hedge Fund, and have managed a mid size prop fund for past ~5 years -- I do this because I simply love new challenges, and love building strategies. I'm registered as a CPO/CTA, RMM -- with Series 3, 5, 6, 7certification. Preferred Languages: Expert in Python, Easylanguage; Proficient in C++, C#, C, SQL. Experience in Java, R, Go, Matlab Platforms: Expert in Multicharts, Tradestation / OOEL, ELCollections, ADE, Proficient in Sierra, Ami, NT8 / NT7 Frameworks/Libraries: Proficient in QuantConnect, Quantopian, NinjaTrader, CloudQuant, IBInsync, Keras, Tensorflow, Pandas, SKLearn, AWS Sagemaker. ** I DO NOT sell existing models, if you’d like a very detailed speech about why it’s financially infeasible, feel free to ask. That is all that you will receive, from me or any professional. ** I DO NOT work in Tradingview; It is not an automation platform, and live results vary too drastically to be considered a reasonable backtesting / prototyping platform. ** I DO NOT work in MetaTrader 4/5, because there are better frameworks, platforms, and implementations for any given use case. ** I RARELY accept unknown clients, none for small one off tasks. It’s simply not worth it / too unpredictable.
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    Forecasting
    Blockchain
    C++
    TensorFlow
    SQLite
    Deep Learning
    Python
    Desktop Application
    TradeStation
    Machine Learning
    Quantitative Finance
    NinjaTrader
    Algorithm Development
  • $100 hourly
    Highly skilled QSC/Q-SYS advanced control software engineer. I work for QSC developing plugins professionally, and have years of experience building advanced control solutions in the Q-SYS control environment. While I specialize in advanced control solutions and integrations in the Q-SYS ecosystem, my expertise helps me sell, design, engineer, and commission these systems as well.
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    Computer Hardware
    Linux
    CAD
    Lua
    Electrical Engineering
    Crestron Programming
    Scripting
    Python
    HTML
    C++
    CSS
  • $90 hourly
    Hello. As a highly experienced software architect with 10+ years of experience, I am skilled in designing and developing robust and scalable software systems. I have a deep understanding of various software development methodologies, including Agile and Waterfall, and I am well-versed in a wide range of programming languages and technologies, including C# (primary), Java, Python, Rust, Docker, K8S, CI/CD. I'm an expert in Azure Cloud and have good knowledge of AWS. I am able to analyze complex requirements and translate them into effective software solutions, and I am always up-to-date with the latest industry trends and developments. Whether leading a team or working independently, I am a highly motivated and detail-oriented software architect who is dedicated to delivering high-quality results on time and within budget.
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    Websockets
    .NET Core
    Telegram API
    Blazor
    CI/CD
    Microsoft Azure
    HTML
    Docker
    Azure DevOps
    API
    ASP.NET
    SQL
    Kubernetes
  • $100 hourly
    I have been working with clients to help solve their business analytics needs over the past twelve years. I am well versed in both Tableau and Power BI platforms. I have also developed solutions using SQL Server Reporting Services, SQL Server Integration Service, and SQL Server Analysis Services. I also specialize in ERP systems like Deltek Vision and Vantagepoint. I have a finance and accounting background to help translate business requirements into technical dashboards. Database Development: Microsoft SQL Server 2008/2012/2012/2016/2019 Microsoft Access Microsoft SQL Server Integration Services Microsoft Analysis Services Report Development: Power BI Tableau 10 Desktop and Server Microsoft SQL Server Reporting Services
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    SQL Server Reporting Services
    Microsoft Power BI
    Tableau
    Data Visualization
    ETL Pipeline
    SQL Server Integration Services
    Deltek Vision
    SQL Programming
    Microsoft SQL Server Reporting Services
    Microsoft Power BI Data Visualization
    Transact-SQL
    Performance Optimization
  • $90 hourly
    * Building applications from the ground up. * Finding and fixing performance issues on existing applications. * I have a lot of experience working with the Arduino platform for robotics projects. * I've used the ESP32/ESP8266 for IoT applications. * I've worked with other microcontrollers in the past, such as the MSP430. * I've worked as an application developer full time using C#. * I've also built projects that interfaced with a C# or Python program on a PC.
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    Robotics
    ASP.NET Core
    PCB Design
    Internet of Things
    Microcontroller Programming
    Arduino
    Embedded System
    ESP32
  • $175 hourly
    "Wayne is not only skilled at directing a software product from an architectural standpoint, he also is able to understand it a micro level. As a result, he usually has a very complete grasp of any code he works with for any significant amount of time, whether it's something he's designed or something others have designed." -- Jim K "I experienced Wayne as a highly skilled and motivated software engineer, with a fast and analytical mind. His expertise and creativity always made him the default technical lead of the team. I highly recommend him." -- J. Ovesen With the right software engineer, your project can be done right the first time. When the strongest developers are 10x better than the weakest, working with someone with the lowest hourly could be more expensive than working with a strong engineer with a higher rate! I have been writing software for 30 years, from web, mobile, and desktop apps to firmware written in assembly. I understand software development at its core and can therefore handle your project expertly. In addition, I have been leading software development teams for 2 decades so I can help you manage a team if that is what you are looking for. On the mobile app side, I wrote the first few versions iOS and Android apps for Sound World Solutions, and internal tools in Xamarin and Swift. I also wrote and maintained an inventory management app that used barcode and RFID scanners in Xamarin. On the desktop side, I was the technical lead for the fitting software at GN Resound in the early 2000s. Recently, I have written factory test software and a lot of internal tools in C#/WPF. I have also written desktop software in Java for cross platform compatibility. On the firmware side, I have written the software on a hearing aid on 2 different chipsets and 2 different DSPs. These were written in C and assembly. For web apps, I have worked on e-commerce sites for Sound World Solutions and, too many moons ago, on J2EE and ASP. Currently, I am working on a project in Laravel. As you can see, I can help you with your project! I am efficient and deliver quality code. Please get in touch if you would like me to join your team.
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    Cloud Architecture
    PCB Design
    Objective-C
    Swift
    C++
    Digital Signal Processing
    Xamarin
    C
    Java
    Firmware Programming
    Relational Database
    Bluetooth
  • $65 hourly
    Hi! My name is Mandeep. I'm creative, analytical, observant and extremely passionate about computing. I use these qualities in building outstanding products. Industries have seen the explosive growth of data and computing scale in the last decade. It has made it easier to manage petabytes of data. More data means - more help in making informed and intelligent decisions. With all of these new resources - we are able to build products and address challenges, which were not possible before. Besides this, I have a lot of experience in application architecture which helps in building complete end-to-end smart and scalable solutions. Experience overview ------------------------ • Having 15+ years of experience in full lifecycle implementation of various business solutions in verticals like social media, telecom, pharmaceutical, finance, automobile, healthcare, and insurance • A strong proponent of DDD (exemplifies simplicity and sanity), Integration testing is my Army General, and not involving BDD in your development cycle is like doing business verbally. You do it? • Very strong hands-on experience in design and development of resilient and scalable applications • Excellent analytical, communication and interpersonal skills. Exceptional individual contributor as well as possess strong ability to lead teams, prioritize tasks and work with various divisions • Designed solutions with robust architecture, security, code re-usability and high performance as an area of focus • Organized meetings with clients, stakeholders and business groups for requirements gathering, support, enhancement, impact analysis, time estimates and work status calls • Deeply focused on improving development experience and productivity My toolbox contains - Visual studio, VS Code, Windows, Linux, AWS, Azure, GCP, TFS, Git, Redis, .Net, C#, Asp.net MVC, RabbitMQ, CLR profiler, Memory and network profilers, ILSpy, Reflector, Memory dump analysis, SOS, Docker, Perfview, Load testing, Fiddler, Visio, Sql Server, Web Ethical Hacking, Web Api, WCF, Javascript, IIS, Windows Server, Cassandra, Fuslogvw, sysinternal tools, VMware, Python, Tensorflow, ROS, ElasticSearch, EF, CI\CD, Angular, Nopcommerce, Typescript, Knockoutjs and Application Security. Looking forward to connecting with you. Best, Mandeep
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    ASP.NET
    ASP.NET MVC
    Microsoft Azure
    Microsoft SQL Server Programming
    ASP.NET Web API
    Software Debugging
    AWS Application
    Windows Communication Foundation
    .NET Framework
  • $45 hourly
    Professional Summary I am a Computer Science candidate actively doing research and development in the blockchain space with a focus on Tendermint, Ethereum, Solana, Polygon, and Hyperledger. I have been involved in software development since I was 12 and have participated in the development of different software solutions for microprocessors, core banking, the web, and money-handling equipment. I have strong business English and years of remote-working experience with web development mainly using Mern-Stack ( React.js for frontend and Node.js for backend)
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    React Native
    NFT Minting
    Blockchain Architecture
    NFT Marketplace
    Blockchain
    Front-End Development
    Web Service
    RESTful API
    Amazon Web Services
    CSS 3
    React
    C++
    JavaScript
    PHP
  • $99 hourly
    Over 15 years of experience designing, developing, testing, and implementing custom software solutions. Extensive knowledge of the Microsoft .NET platform. Built solutions for organizations in finance, education, manufacturing, technology services, and professional services industries as well as full life-cycle product development for Microsoft on the .NET languages team. Adept at gathering requirements, analyzing business scenarios, user interaction design, and application life-cycle management. Deep technical acumen, an aptitude for learning, and excellent verbal and written communication skills. Specialties: Domain Layer/API Design, User Interaction Design
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    .NET Core
    API Development
    .NET Framework
    Visual Basic
    Software Architecture & Design
    VB.NET
    .NET Stack
    Visual Basic for Applications
    Program Management
    Microsoft SQL Server
    Microsoft Azure
    Product Management
    Project Management
  • $55 hourly
    Passionate Software Engineer with 10+ years of experience in developing web applications and backend systems. My expertise lies in building MVPs, Single Page Applications, Progressive Web Apps, enterprise software, scalable microservices, Rest, AWS and deployments. Proficient in various Website Frameworks, Blockchain technology and Hybrid Frameworks. Strongest at C#, Python, React, Vue, Angular, Node and Wordpress Here are my main skills: - Front-end development: React, Angular, Vue - Back-end development: Node.js, Nest.js, Django, Laravel, PHP, Go, Rust - Mobile development: Kotlin, Java, Swift, React Native, Flutter - Database: MySQL, MongoDB, PostgreSQL, Firebase - DevOps: Google Cloud Platform (GCP), Microsoft Azure, Docker, Kubernetes, Jenkins, GitLab CI/CD, AWS Lambda. - CMS and e-commerce development: WordPress, Shopify, Magento - Blockchain technology: Solidity, Rust, Golang, Web3.js, Web3.py, Ethers.js, Go-Ethereum package, Web3-rs, zk-Proof, zkEVM, zkSync, Cosmos-SDK, Tendermint, IBC Protocol, NFT/DEX/DeFi development - Agile development - Project management - Version control (Git)
    vsuc_fltilesrefresh_TrophyIcon C#
    Next.js
    Desktop Application
    ChatGPT
    React
    Blockchain
    Web Scraping
    Selenium
    web3.js
    Solidity
    Python
  • $60 hourly
    Web Development JavaScript frameworks and libraries: React, Next.js, TypeScript, Material UI, React Router, Axios, Redux Backend frameworks and libraries: Node.js, Laravel, Express.js, MongoDB, MySQL, PostgreSQL, Redis, RabbitMQ, Kafka, GraphQL Unity 3D Game development frameworks and libraries: Unity Engine, C#, Photon Unity Networking, Mirror Networking, ML-Agents, Vuforia, Shader Forge Other Relevant Skills Cloud services: AWS, Azure, GCP DevOps tools: Git, GitHub, Docker, Kubernetes, Jenkins, CircleCI Testing frameworks: Jest, Jasmine, Mocha, Cypress Continuous integration and continuous delivery (CI/CD) pipelines: GitHub Actions, CircleCI Pipelines, AWS CodePipeline Code analysis and linting tools: ESLint, Prettier, SonarQube Third-party APIs: Payment processors (Stripe, PayPal, Braintree), social media platforms (Twitter, Facebook, Google+), analytics services (Google Analytics, Amplitude, Mixpanel) Additional Content Developed and maintained high-traffic web applications with millions of monthly active users, using a variety of JavaScript frameworks and libraries, such as React, Next.js, and TypeScript. Built and managed scalable and reliable backend systems using Node.js and Laravel, and deployed them to the cloud using AWS and Azure. Optimized web applications for performance and SEO, using a variety of techniques, such as code minification and gzip compression. Worked with a variety of third-party APIs, including payment processors, social media platforms, and analytics services, to integrate them into web applications. Shipped multiple Unity 3D games on PC, mobile, and WebGL platforms, using a variety of game development frameworks and libraries, such as the Unity Engine, C#, and Photon Unity Networking.
    vsuc_fltilesrefresh_TrophyIcon C#
    ASP.NET
    Game Development
    Angular
    Web Design
    Blockchain
    React
    Unity
    PHP
    TypeScript
    Python
    Solidity
    JavaScript
    Node.js
  • $35 hourly
    Senior Full Stack Developer with 20+ years of experience leading all aspects of application design and development with a strong emphasis on database designing and modeling, SQL/ETL data migrations and database performance tuning and query optimization for both on premise and cloud-based IAAS/PAAS SQL resources in Azure. Effectively led a full SQL/ETL data and system migration from Salesforce to a Microsoft Blazor application achieving a cost-reduction of nearly 60% by leveraging scalable resources in Azure. Deployed applications to cloud-based production environments, setup and coordinated staging and production databases, implemented end-to-end test scripts for test automation, and deployed and validated disaster recovery for both SQL VMs and Azure SQL Databases. • Expert in analyzing, designing, developing, optimizing and configuring Microsoft SQL Server suite including multiple business intelligence components such as Azure Data Factory, SSIS, SSRS, and DTS and various REST APIs. • Expert full-stack Web developer with strong HTML5, CSS and JavaScript knowledge and experience. • Experience as the primary developer on multiple significant systems/data migration projects. • Primary/sole developer performing a complete migration between, both to and from, Salesforce and SQL Server, including scripting the creation of the data model, relationships and ETL operations. • Primary/sole developer responsible for large data migration from DOS/QBasic flat file structure into SQL Server for 35 currency exchanges in Chicago, IL. Also heavily involved with VB6/WinForms development of a new POS application using WinForms/VB6. • Knowledge of and experience with advanced features of SQL Server such as table partitioning, recursive CTEs, aggregate window functions, DML, DDL, Full-Text search, user-defined functions, triggers and procedures. • Full management and disaster recovery expertise for SQL Server on-prem, Azure SQL Server VM, and the cloud-based Azure SQL Database. • Experience implementing reporting systems using multiple reporting frameworks such as SSRS, Crystal Reports, DevExpress’ reporting module for XAF and Salesforce Reports. • Varied experience within Microsoft’s Web development ecosystem as well as WinForms for VB6, Apache Perl development, PostgreSQL, significant VBA for both Excel and MS Access, PowerShell scripting, Windows management and the *nix operating system and installation. • Experience using 3rd-party SSIS components, Script Tasks, REST APIs to integrate data from platforms such as QuickBooks/Intuit, MailChimp, and ArcGIS. • Experience with both POS and real estate accounting-related projects such as deal, commission, and invoicing management.
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    JavaScript
    CSS 3
    HTML5
    Data Modeling
    Microsoft SQL Server Reporting Services
    Data Extraction
    Microsoft Azure SQL Database
    Data Analysis
    ETL
    Salesforce
    DevExpress
    Transact-SQL
    SQL Server Integration Services
    Apex
  • $135 hourly
    Objective : Seeking relevant permanent Application Development role. Script Languages : T-SQL, ASP.NET, Java-Script, HTML 5 Operating System : Windows 2016/2012 Server, Windows Vista, Windows 11, Windows 10, PowerShell, Active Directory Software : SQL Server 2005/2008/2012/2014/2016, SQL Server Reporting Services (SSRS), Reports Builder, Microsoft IIS, Microsoft VISIO, Microsoft Visual Studio 2017, Adobe Photoshop, Microsoft Office, Microsoft SharePoint 2010, Amazon AWS Cloud
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    HTML
    ASP.NET
    SQL Server Reporting Services
    SQL Server Integration Services
    Transact-SQL
  • $60 hourly
    More than 15 years of experience in object-oriented programming; designing, developing, testing, debugging, and maintaining code. Motivated in learning new technologies and implementing high performance and quality software.
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    Bootstrap
    JavaScript
    HTML5
    C++
    Web Development
    Software Development
  • $250 hourly
    Welcome all! My name is William Smith, former Strategist and Principal Engineer at Microsoft and Cloud Solutions Architect at Deloitte. I am an innovative Technology Strategist and proven Enterprise Architect, I specialize in guiding businesses through Digital Transformation. With expertise across Artificial Intelligence, Blockchain, Internet of Things, and other Emerging Technologies, I develop future-proof Technology Roadmaps to drive efficiency, automation, and competitive advantage. As a hands-on Technical Leader, I architect robust Cloud Architectures, execute seamless Cloud Migrations, and implement Agile Development to accelerate delivery of high-quality software. My passion lies in optimizing Software Development Lifecycles through DevOps Integration for rapid iterations and continuous delivery. With a focus on Scalability, Availability, and Performance, I design resilient IT Infrastructures to support business growth. I leverage Data Analytics and Business Intelligence to unlock actionable insights and am well-versed in Cybersecurity best practices to ensure Regulatory Compliance. An advocate of Cross-functional Collaboration, I lead high-performing Engineering Teams to build innovative solutions focused on stellar User Experiences. As a Fractional CTO, I offer comprehensive Technical Advisory to align technology with strategic goals, foster Strategic Partnerships, and provide Technical Sales Support. Let's drive innovation and future-proof your business together.
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    Mobile App Development
    Web Development
    AngularJS
    Node.js
    Java
    MongoDB
    WordPress
    PHP
    ASP.NET MVC
  • $69 hourly
    I'm a FullStack Web Engineer that focuses on getting things shipped and making people's lives better. I love making awesome user experiences and fun animations on the web. I am passionate about open source and love to share code as much as I can. I spend a lot of time learning and building new tools to save time and resources, as well as educating others on what I've discovered.
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    ASP.NET
    Laravel
    Angular
    WordPress
    JavaScript
    PHP
    React
    Node.js
    .NET Framework
  • $65 hourly
    I am a Desktop and DevOps engineer and architect with experience in designing end-to-end solutions. I have extensive cloud and infrastructure expertise in AWS, Azure, and Google Cloud. I specialize in monitoring tools (ELK, Zabbix, Prometheus) and automation with Python, Ansible, Terraform, and Docker. I experience to implement Jenkins CI/CD pipelines to build, test, and deploy large apps including microservices with zero downtime. My main programming skills - C/C++, C#, Python - SQL, T-SQL - JavaScript, TypeScript My main tech stacks: - Frameworks and Lib: ASP.NET, .NET Core, Xamarin, Entity Framework, UWP, WCF, WPF, React, Vue, Electron - Cloud: Azure, AWS - Database: MSSQL, MySQL, PostgreSQL - Device: Azure Kinect, HoloLens, Surface, Xbox - Business intelligence: Power BI
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    Vue.js
    Universal Windows Platform
    Windows Communication Foundation
    Linux System Administration
    Entity Framework
    Xamarin
    Network Administration
    Electron
    Windows Presentation Foundation
    .NET Framework
    Microsoft SQL Server
    React
    Python
    Microsoft Azure
  • $50 hourly
    I am a Senior Full-Stack Mobile App Developer with over 7 years of professional experience as a software developer, designing and developing mobile applications end to end. Skilled in Swift, Kotlin, Java, Flutter, React Native, Unity, Xamarin, backend, MVVM, MVP, Team management, etc.
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    Unity
    MySQL
    MongoDB
    Xamarin
    React Native
    Firebase
    In-App Purchases
    Kotlin
    Java
    Swift
    Objective-C
    Flutter
    Augmented Reality
  • $50 hourly
    I am a Passionate Full Stack Mobile App Developer with over 8 years rich experience with building iOS and Android apps. I'm very experienced in building Swift, Java, Kotlin, Flutter, React Native, Unity applications and back-end development. My experiences: • iOS Swift/Objective-C, Cocoa Touch, CoreAnimation, CoreData, CoreLocation, CoreImage, Audio Framework, AVFoundation, ARKit, Core ML, Siri • Android SDK, Java, Kotlin • React Native, Flutter/dart • Google Map, OpenStreetMap, HERE, MapBox • Firebase, MySQL/MariaDB, PostgreSQL, SQLite • Facebook, Twitter, LinkedIn, Instagram, Google+, Tumblr, Foursquare, Flickr • Flurry, TestFlight, Crashlytics, Intercom, Mixpanel, Google Analytics, Admob, Push Notification • Augmented Reality • In-App Purchase, Stripe SDK, Braintree, Authorization.net • Fastlane, Circle CI
    vsuc_fltilesrefresh_TrophyIcon C#
    RESTful API
    Mobile App Development
    Objective-C
    Dart
    Augmented Reality
    Java
    Firebase
    Kotlin
    React Native
    Flutter
    Swift
  • $50 hourly
    I am a senior full stack mobile app developer with over 7 years of rich experience in building iOS and Android native and hybrid apps development. Skilled in Swift, Objective-c, Java, Kotlin, React Native, flutter, PHP, Python, MySQL, Firebase and AWS. As a proficient full stack mobile app developer, I have successfully developed a wide range of high-end functionality based iOS/Android apps so far. I love to develop unique and world-class applications to make the human life easy, smooth and highly manageable. Looking forward hearing from you! Thank you. Albert
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    Kotlin
    Dart
    In-App Purchases
    React Native
    MySQL
    Java
    Firebase
    Flutter
    Swift
  • $70 hourly
    Experience in complete Software development Life Cycle Experience in Design, Development & Implementation of Client/Server Applications, Web-Applications, Windows Applications in 3 Tier & N - Tier Architecture, Asp.Net, and .Net Framework Specialties & Skills: C#, Xamarin, ASP.Net, VB.Net, .Net Framework, ASP.Net MVC, AJAX, JavaScript, Angular JS, JQuery, CSS, HTML5, SQL, MySQL, Entity Framework, ADO.Net, LINQ, XML, XSLT, WCF, Web Services, Microsoft SQL Server, Visual Studio, TFS
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    Xamarin
    LINQ
    Visual Basic
    JavaScript
    jQuery
    ASP.NET Core
    .NET Framework
    Bootstrap
    Entity Framework
    Microsoft SQL Server
    Azure DevOps
  • $25 hourly
    Creative, detail-oriented, software engineer with a deep interest in games. Proven track record of creating and implementing successful front and back end web applications.
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    Object-Oriented Programming
    MongoDB
    Computer
    Web Accessibility
    Computer Science
    CSS
    Tailwind CSS
    Responsive Design
    Node.js
    CSS 3
    React
    JavaScript
    Web Application
    HTML
  • $20 hourly
    Hello! My name is Mikey and I have over three years of experience working in the video game industry as a Game Engineer utilizing game engines such as Unity and Unreal Engine 4. I worked on multiple projects collaborating with teams of different development departments including a game developed in a live operations environment. My goal is to help individuals and organizations realize their dreams and deliver quality products from paper to form.
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    Microsoft Visual Studio
    Perforce
    GitHub
    Unreal Engine
    Unity
    C++
  • $10 hourly
    5 YOE in Mobile & Desktop App Development. Launched multiple games on IOS and Playstore (2 million+ downloads)
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    Unity
    Python
    Flutter
  • $56 hourly
    Service Companies with the talent our employees possess
    vsuc_fltilesrefresh_TrophyIcon C#
    Java
    PHP
    JavaScript
    Search Engine Marketing
    ASP.NET
    HTML5
    vBulletin
    Search Engine Optimization
    AJAX
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