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Clients rate Xamarin specialists
Rating is 4.8 out of 5.
4.8/5
based on 133 client reviews
  • $30 hourly

    • 5.0/5
    • (35 jobs)
    Sharp and Perceptive Programmer with significant C# Cross platform development (Xamarin, MAUI, .NET). 1. Quality work is my key attribute. 2. My skills are predicted with my work. 3. Flexible with the working timings as per client requirements.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Mobile UI Design
    Agile Software Development
    iOS Development
    Android
    Mobile App Development
  • $40 hourly

    • 4.9/5
    • (20 jobs)
    Since 2007, I have been actively involved in web and mobile app development, with expertise in software development methodologies, frameworks, and SDLC. I have developed applications for diverse industries like Healthcare, Banking and Finance, Oil and Gas, Education, and more. As a Full Stack Developer, I have extensive experience in using various technologies such as: • Development: .NET Core, .NET Framework, APIs, Microservices, WPF, WinForms • Automation: Browser/Mobile/Desktop apps using Selenium and Appium • Mobile Apps: Xamarin Forms • Frameworks: ReactJS, Angular & Typescript • Databases: SQL Server, MySQL, SQLite, Oracle, Dynamo DB, Cosmos DB • Scripting: JavaScript, TypeScript, jQuery, PowerShell, Bash • AWS: EC2, S3, Lambda, CloudFormation, Route53 and others • Azure: Azure App Service, Azure Functions, Azure SQL Database, Azure Service Bus and others • Testing: Integration Testing, XUnit, NUnit, Selenium, Appium • Infrastructure as Code (IaC): CloudFormation & Terraform for Azure and AWS • OS Administrator: Windows Servers, Ubuntu & Linux In addition to my technical expertise, I excel in verbal and written communication and possess the ability to manage teams of developers, SQA, and business developers. I am skilled at interacting professionally with diverse groups, including executives, managers, and subject matter experts, while effectively conveying ideas verbally and in different settings. Certifications: • Microsoft Certified: Azure Developer Associate • Microsoft Certified: DevOps Engineer Expert Why Choose Me? • 1 Month Software Warranty • 24/7 Availability • High-Quality Work at Reasonable Prices • Fast Delivery • 100% Satisfaction Guaranteed • Reliable Solutions • Client Success as Top Priority
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Browser Automation
    Selenium
    Web3
    Solidity
    .NET Core
    SQL
    ASP.NET Core
    .NET Framework
    PHP
    React Native
    Angular
    TypeScript
    Mobile App Development
    Appium
  • $23 hourly

    • 4.9/5
    • (45 jobs)
    ⭐⭐⭐⭐⭐ Upwork Top Rated Developer having 6+ years of experience in mobile apps development, helping clients achieve their success goals. I have launched my apps into the App Store and I have worked with individuals and larger companies on apps from MVP to the App Store. Important Note : Available for WORK! - (All contracts on my profile are paused, this note is changeable depends upon my availability). - I am also available for a full time roles to work with. Platforms: - Mobile apps (Android, iOS & Windows) - Mac OS apps. - Windows Desktop apps. - Tablet apps (Android, iOS). - Smart TV apps (Android, iOS). Availability: I am working as a Full-time Freelancer with over 30-40 hours per week. How can I help you :- ⭐ Cross Platform apps using Xamarin Forms or .NET MAUI (iOS and Android) ⭐ Web Apps (ASP.NET Core MVC, Blazor) ⭐ Backend Api's development (ASP.NET core) ⭐ Microsoft Azure DevOps Expert (CI/CD Pipelines) ⭐ UI/UX Design Prototyping (Figma, Adobe XD, Invision) ⭐ Repository System (Github, Azure DevOps, Bitbucket) ⭐ CI/CD Automated Pipeline (Continuous Integration and Continuous Deployment). ⭐ Deployment to Stores (iTunes/Google). ⭐ Maintenance and bug fixes. ⭐ Revive, update or fix existing applications in need of care. Here are a few of the things I would like to cover for you - and I'm always open to new challenges: - In-app payments and premium subscriptions - health & fitness apps - delivery and ordering systems - marketplace apps - booking mobile apps - educational applications - applications for online stores - social sign-in and sharing - playful and professional animation systems - appointment systems - video calling - maps and location features - QR codes and ticketing systems - email and text automation - notification and messaging systems - monetization and ads - iOS specific features and android specific features - you tell it - I do it ;) I start by discussing your project goals and target audience. Once I get the details, I'll send over an estimate for your approval. When the job is awarded I immediately start the designing process. Communication is my number one priority, so you will always be in the loop! Besides this, I am a frank, friendly, and responsible person. I will be glad to help you find a solution to any mobile project and exceed your expectations. Why Me: ✅ Have a person who cares about the result ✅ Self Motivated & Fast Learning ✅ Customer Satisfaction achievement ✅ Can rely on me all the time ✅ Enjoy working ✅ Effective Communication throughout the app development ✅ High-Quality Delivery. If you're looking for innovative software solutions and revolutionary digital products that will make your company grow more extensive and more robust, then don’t hesitate to contact me! Looking forward to working with you. Thanks, Aiyaar Omar!
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Mobile App
    Azure DevOps
    Mac OS App Development
    Mobile App Development
    ASP.NET MVC
    Smartphone
    C#
    Microsoft Visual Studio
    Hybrid App Development
    .NET Framework
    API Integration
    iOS Development
    Android App Development
    Mobile App Design
  • $25 hourly

    • 5.0/5
    • (8 jobs)
    8+ years of experience in the field of Software Application developed on Microsoft Technologies including Internet/ Intranet and Client-Server based distributed applications and window based application development. Great recent working experience with MVC 5, Web API, signalr, dapper.net, angularjs, sockets, etc enough experience to complete SDLC (Software Development Life Cycle) involving User requirements study, System specifications, Application Design, Coding, Testing, Implementation, Training, and Project Documentation. Competent in emerging Microsoft Technologies i.e. ASP.NET(2.0,3.5,4.0,4.5), VB.net, C# 6.0, IIS , MS SQL Server 2005/2008/2012/2014, TFS and others like HTML, XML, Boostrap, Xcode, Objective C, Swift Experience on distributed RDBMS, Database-intrinsic applications using SQL Server 2005/2008/2012/2014, have a good hand in using ActiveX Data Objects ADO as an interface to all types of data on front-end database client. Worked exhaustively on writing Stored Procedures, Views, and Trigger for handling the database processing. Also having experience of LINQ and Code smith. Having great working experience in desktop applications using WPF, window service, WCF (rest services and soap services), and web applications. Have a good hand in Ajax, YUI, JQUERY, JSON, Angularjs, and simple javascript too. also having a great exposure of usercontrols and Teleik, syncfusion, etc. Having great Working experience of 3 Tier architecture with the generics and all its presentation, business, data Access layers. Having good exposure to object-oriented programming and Design Patterns. Having good exposure on Design, Coding, and Implementation procedures as per defined by ISO 9001, W3C(World Wide Web Consortium) standards. I am also using responsive better usability of the applications. Worked on the Content Management System (CMS), which is used to manage a complete life cycle of a site or application. Like DNN(Dot Net Nuke) Quite handy with HTM 5 mobile websites with JQuery as well. I have in-depth technical abilities, which are well complemented by a good understanding of the Software development processes, touch with the latest technologies and teamwork. I am just one click away for finding the right solution for you.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Azure DevOps
    ASP.NET
    MVC Framework
    Entity Framework
    SQL
    ASP.NET MVC
    API Integration
    Angular 6
    Angular
    ASP.NET Core
    .NET Framework
    C#
    XAML
  • $25 hourly

    • 5.0/5
    • (45 jobs)
    15+ years of software development experience including more than 9 years in Mobile application development. Worked in Android, iOS, Windows Mobile, Xamarin, J2ME, Java, PHP, and .Net. Developed some of the top downloaded apps available at Google Play Store. Founder and CEO of an IT company Quarter Pi offering mobile and web application development to start ups and medium scaled businesses. Leading our in-house development teams in developing new exciting apps.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Social Media Account Integration
    Chat & Messaging Software
    User Authentication
    iOS
    C#
    Hybrid App Development
    Firebase
    Game Development
    iOS Development
    Spring Boot
    Java
    Android App Development
    Mobile App Development
    Android
  • $30 hourly

    • 5.0/5
    • (49 jobs)
    I am Abdul, a Software Architect, a full-stack Developer (Backend and Frontend), and a Top Rated Plus on Upwork. 👑 17+ years of Development experience in Full-stack development roles within collaborative team environments. Recent Projects: ------------------- AMCS Fleet Maintenance Software: 👉 backend: C#, .NET Core Web API, AutoMapper, EF Core, and Microservices. 👉 frontend: VueJS, Kendo UI, Sass Vegalytics Health: A Healthcare App. 👉 backend: C#, .NET Core Web API, AutoMapper, EF Core, Microservices, Azure Functions, Azure Durable Functions, Azure Storage, Azure Data Factory, Power BI 👉 frontend: ReactJS, Redux, Material UI, Sass Energy Management Portal: 👉 Backend: c#, Asp.Net, Web API, SQL Server, Azure, Entity Framework 👉 Frontend: Angular, javascript, typescript, HighCharts, KendoUI, Sass, Bootstrap Maxee - A Sensor device and Sensor Data Management Portal 👉 Backend: c#, Asp.Net Core, Web API, SQL Server, Azure, Entity Framework Core 👉 Frontend: Angular, javascript, typescript, HighCharts, KendoUI, Sass, Bootstrap PrimeOne - A Commodity Trading Analytical Tool: 👉 Backend: c#, Asp.Net Core, Web API, SQL Server, Azure, Entity Framework Core 👉 Frontend: Angular, javascript, typescript, HighCharts, KendoUI, Sass, Bootstrap Slyvia Fashion E-Commerce App: 👉 Backend: C#, .NET Core Web API, AutoMapper, EF Core, and Microservices. 👉 Frontend: Blazor Web Assembly, Sass, Bootstrap Certifications: ----------------- 🥇 Azure DevOps Engineer Certified by Microsoft 🥇 Azure Developer Certified by Microsoft 🥇 Azure Fundamentals Certified by Microsoft 🥇 Data Fundamentals Certified by Microsoft 🥇 AWS Certified Solutions Architect – Associate 🥇 Data Analyst Certified by Google Skills: ------ 🛠️ Software Architect Skills: ✔️ CQRS Design Pattern ✔️ Clean Architecture ✔️ N Layer Architecture ✔️ object-oriented design, analysis, and programming 🛠️ Backend Skills: ✔️ C# (C-sharp) ✔️ DotNet Core ✔️ ASP.NET Core ✔️ DotNet Core Web API ✔️ Entity Framework Core ✔️ AutoMapper ✔️ NodeJS 🛠️ Frontend Skills: ✔️ Javascript ✔️ ECMAScript ✔️ Typescript ✔️ JQuery ✔️ React, NextJS ✔️ Angular ✔️ Vue.JS ✔️ HTML 5 ✔️ CSS3 ✔️ Bootstrap ✔️ Material Design ✔️ TailWind ✔️ Sass, Less ✔️ Telerik Kendo UI. 🛠️ Fullstack Skills: MEAN (Mongo/MySql/MariaDB, Express, Angular, Node), MERN (Mongo/MySql/MariaDB, Express, REACT, Node). 🛠️ Azure Skills: (Certified) ✔️ Azure Functions ✔️ Azure Durable Functions ✔️ Azure Blob Storage ✔️ Azure API Management ✔️ Azure Key Vault ✔️ Azure WebApp Services ✔️ Azure Event Hub ✔️ Azure Data Factory ✔️ Azure Databases. 🛠️ DevOps Skills: (Certified) ✔️ Docker ✔️ Kubernetes ✔️ Microservices Azure ✔️ CI/ CD ✔️ ARM ✔️ YAML pipeline ✔️ Bicep ✔️ Terraform ✔️ GitHub Actions, ✔️ Git ✔️ Linux (Ubuntu/RedHat/CentOS) ✔️ Bash Script ✔️ Powershell 🛠️ Data Analysis: Power BI, Tableau, R Language, M Language, DAX, Tabular Editor, DAX Studio, Power Automate, API Connections, SQL (DML), Excel, Google Sheets, ETL/ELT workflow, Azure Data Factory, Azure Databases, Azure Data Lake, Azure Synapse Analytics, Azure Stream Analytics, SQL/ NoSQL. 🛠️ Desktop and Mobile Developer: WPF, XAML, Prism, Xamarin, MAUI, Electron. 🛠️ Data Bases: SQL Server, MySql, MongoDB, PostgreSQL. Soft Skills: ----------- ✔️ motivated ✔️ self-starter ✔️ adaptive at problem-solving ✔️ organized ✔️ Effective communication with both tech and non-tech-oriented team members and clients. ✔️ Strong technical and analytical ability ✔️ Can Architect highly scalable, maintainable, and testable applications ✔️ Ability to work independently, but take direction. ✔️ Ability to work under pressure and tight deadlines. ✔️ Ability to multi-task and manage unstructured tasks within specific guidelines and time constraints. ✔️ Proven track record of enterprise SaaS product development with high security, availability, and performance.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Azure App Service
    Microsoft Azure
    Microsoft Azure SQL Database
    Data Analysis
    Redux
    Microsoft Power BI Development
    JavaScript
    C#
    Node.js
    React
    Angular
    MySQL
    ASP.NET Core
    Azure DevOps
  • $19 hourly

    • 4.7/5
    • (97 jobs)
    I have 14 years of experience in Java/Android/iPhone/Web Development. I have developed more than 150 apps for Android/iPhone are on various app stores. I am capable of developing any kind of high-quality application on time. ✅ Top Rated ✅ More than 10400 hours of work ✅ React Native ✅ Firebase ✅ Flutter ✅ NestJS ✅ Back-end API development (Node.JS / Flask / Django) ✅ Xamarin ✅ Machine Learning
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Smartwatch
    C#
    Amazon Web Services
    Objective-C
    tvOS
    iOS SDK
    Swift
    Machine Learning
    React Native
    JavaScript
    Android App Development
    iPhone App Development
  • $25 hourly

    • 5.0/5
    • (3 jobs)
    Hi, I'm Huda Tariq, a Full Stack Mobile App Developer with 8+ years of experience in Native and Cross-Platform Development. I specialize in UI/UX design, ensuring captivating user experiences across industries like Education, Fin-tech, Fashion, Healthcare, Real Estate, and E-Commerce. Let's create apps that leave a lasting impression! Industries I Excel In: 📱 Fin-tech 📱 Healthcare & Wellness 📱 Cab or Taxi Booking 📱 Delivery Services 📱 Chats & Messengers (Audio, Video chats) 📱 On-Demand Services 📱 Fitness & Health 📱 Social Networking 📱 Job Marketplace 📱 E-Commerce What Sets Me Apart: ▶️ As a firm believer in "you get what you pay for," I am committed to providing top-notch solutions that meet your specific needs. Tech Stack Expertise: ✅ Native iOS Development: Swift, Swift UI, Objective-C Firebase, UIKit, SnapKit SQLite, AppsflyerFramework, Starscream ✅ Android Development: Kotlin, Kotlin Flow, Java Android Jetpack, Retrofit, MVVM Architecture pattern Dagger 2, Firebase, Rxjava, Hilt, Room for database, MVP Architecture pattern ✅ Hybrid (Cross-Platform) Development: ReactNative, Flutter (Dart), Ionic, Cordova/PhoneGap ✅UI/UX Tools & Languages: Visual Design: Adobe XD, Sketch, Figma, Photoshop, Illustrator Prototyping & Wireframing: InVision, Balsamiq, Axure RP, Adobe XD Responsive Design: Bootstrap, CSS3, HTML5, Media Queries Usability Testing: UserTesting, Crazy Egg, Hotjar, Optimal Workshop Interaction Design: Principle, Framer, Flinto, After Effects My Work Methodology: -Sign NDA for confidentiality. -Thoroughly review specs & wireframes for detailed estimate. -Set milestones for project delivery. -Open communication for mutual agreement. -Release builds with new features. -Promptly address & fix bugs. -Deploy app after your approval. If you're looking for an experienced and dedicated developer to bring your project to life, I'd love to hear from you. Just click the invite button to get in touch! 😊
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Progressive Web App
    Native App
    Mobile App Design
    Hybrid App
    Angular
    HTML5
    PHP
    Objective-C
    Mobile App Development
    Swift
    Kotlin
    React Native
    Flutter
    Ionic Framework
  • $25 hourly

    • 4.9/5
    • (19 jobs)
    I am a responsible and committed Xamarin developer with a get-it-done, on-time, and high-quality product spirit and more than a decade of experience defining requirements, designing, implementing, testing, and delivering mobile apps using a variety of Xamarin (android&iOS) and familiar with java and swift as for the native platform. I am also experienced in Asp.net, Webforms, MVC, and .net core. I have hands-on experience: AppCenter Google maps. Baidu maps (China) Google street view, Panorama view. Place autocomplete address with google maps. Signature pad Time tracking system SignalR Discoverable Bluetooth devices connectivity Social medial login (apple, gmail, facebook, linkedin). Third-party API integration Stripe payment gateway 3D secure stripe payments Micro charts Reports printing SQLite database RESTful web services Multi language Deep Linking Git Version Control and much more.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    GitHub
    Microsoft Visual Studio
    iOS Development
    Hybrid App Development
    API
    .NET Core
    .NET Framework
    ASP.NET
    C#
    Mobile Apps
    SQLite
    Mobile UI Design
    Native App Development
    Mobile App Development
  • $5 hourly

    • 4.9/5
    • (15 jobs)
    • Innovative software engineer offering 5+ years of experience in the full software development lifecycle – from concept through delivery of next-generation applications and customizable solutions. • Expert in advanced development methodologies, tools and processes contributing to the design and rollout of cutting-edge software applications. • Known for excellent troubleshooting skills – able to analyze code and engineer well-researched, cost-effective and responsive solutions.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Website Redesign
    Microsoft Azure
    JavaScript
    C#
    TypeScript
    Git
    Vue.js
    ASP.NET Core
    WordPress
    Microsoft SQL Server
  • $20 hourly

    • 5.0/5
    • (5 jobs)
    Senior Full Stack .NET Developer with 7+ years of hands-on experience in Microsoft .NET Technologies. Specialising in C#, Xamarin, ASP .NET/ Web API/ MVC/ Core Development, Azure DevOps, SQL Server & PostgreSQL. Enough experience to complete SDLC (Software Development Life Cycle) involving User requirements study, System specifications, Application Design, Coding, Testing, Implementation, Training, and Project Documentation Having a good hand in Javascript, Ajax, JQUERY, JSON, Angular, HTML, CSS, and Bootstrap also having a great exposure of user controls and Telerik, Syncfusion, Grial, Payment Gateways etc. Having great Working experience of 3 Tier architecture with the generics and all its presentation, business, data Access layers. Having good exposure to object-oriented programming and Design Patterns. Having good exposure to Design, Coding, and Implementation procedures as per defined by ISO 9001, W3C(World Wide Web Consortium) standards. I am also using responsive better usability of the applications. I have in-depth technical abilities, which are well complemented by a good understanding of the Software development processes, touch with the latest technologies and teamwork. I am just one click away from finding the right solution for you.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    ASP.NET
    .NET Core
    ASP.NET Core
    Web Development
    ASP.NET MVC
    Azure DevOps Server
    Microsoft Azure
    API
    Azure DevOps
    ASP.NET Web API
    .NET Framework
    iOS Development
    Microsoft SQL Server
    Android App Development
    Mobile App Development
  • $35 hourly

    • 4.6/5
    • (5 jobs)
    By choosing me, you'll enjoy the convenience of having a single point of contact for your mobile app project, from start to finish. I offer end-to-end services that includes both backend and web development along with Figma designs, making me your one-stop-shop for all your mobile app needs. As an expert app developer, I bring extensive experience and knowledge to every project I work on. With over 7+ years of experience in Mobile Apps development, I have honed my skills in Java, Kotlin, XML, Swift, Objective C, C# and other relevant programming languages to deliver high-quality, scalable, and feature-rich mobile applications for clients across various industries. My expertise includes creating user-friendly and visually appealing interfaces for Mobile apps, User interface design in Figma, optimizing app performance and battery consumption, Debugging and troubleshooting, integrating third-party libraries and APIs, and implementing effective security measures to protect users' data. I am also proficient in using Git for version control and familiar with Agile development methodology. In addition to my technical skills, I am an excellent communicator and collaborator, working closely with clients and team members to understand their needs and deliver solutions that exceed their expectations. Whether you are looking to develop a new app from scratch or enhance an existing one, I am committed to delivering customized solutions that meet your unique requirements and goals. I have done BS(Software Engineering) a 4 Years Degree program. With a track record of success in Mobile apps development and a commitment to staying up-to-date with the latest trends and technologies, I am confident in my ability to deliver exceptional results for your next project. Let's work together to bring your app ideas to life!
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Firebase
    API
    Android SDK
    Database
    Android App
    Android
    Android App Development
    Mobile App Development
    Android Studio
    Mobile Apps
    Native App
    Kotlin
    Java
  • $40 hourly

    • 5.0/5
    • (1 job)
    Working as senior system administrator in well known organization that develops real time application (web, mobile and windows)
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Cryptocurrency Trading
    Trading Automation
    Bot
    Bot Development
    Web Scraping
    Web Scraping Software
    Mobile UI Design
    Web Hosting
    Windows App Development
    Windows Administration
    Desktop Application
    Ubuntu
    C#
    Windows Forms
  • $38 hourly

    • 4.7/5
    • (73 jobs)
    16+ yrs. of experience in the field of Software applications developed on Microsoft Technologies including Internet/ Intranet and Client-Server based distributed applications and window-based application development. Great recent working experience with MVC 5, Web API, signalr, dapper.net, angular js, sockets, etc. Also expert in developing enterprise-level mobile applications using Xamarin forms in IOS, Android, and UWP. enough experience to complete SDLC (Software Development Life Cycle) involving User requirements study, System specifications, Application Design, Coding, Testing, Implementation, Training, and Project Documentation. Competent in emerging Microsoft Technologies i.e. ASP.NET(2.0,3.5,4.0,4.5), VB.net, C# 6.0, IIS , MS SQL Server 2005/2008/2012/2014, TFS and others like HTML, XML, Boostrap, Xcode, Objective C, Swift Experience on distributed RDBMS, Database-intrinsic applications using SQL Server 2005/2008/2012/2014, have a good hand in using ActiveX Data Objects ADO as an interface to all types of data on front-end database client. Worked exhaustively on writing Stored Procedures, Views and Trigger for handling the database processing. Also having experience of LINQ and Code smith. Having a great working experience in desktop application using WPF , window service, WCF (rest services and soap services) and web applications. Have a good hand in Ajax, YUI, JQUERY, JSON, Angularjs and simple javascript too. also having a great exposure of usercontrols and Teleik, syncfusion etc. Having great Working experience of 3 Tier architecture with the generics and all its presentation, business, data Access layers. Having good exposure to the object oriented programming and Design Patterns. Having good exposure on Design, Coding and Implementation proceduresas per defined by ISO 9001, W3C(World Wide Web Consortium) standards. I am also using responsive better usability of the applications. Worked on the Content Management System (CMS), which is used to manage a complete life cycle of a site or application. Like DNN(Dot Net Nuke) Quite handy with HTM 5 mobile websites with JQuery as well. I have in-depth technical abilities, which are well complemented by good understanding of the Software development processes, touch with the latest technologies and teamwork.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    C#
    Ecommerce Website
    Model View ViewModel
    jQuery
    React
    Entity Framework
    Windows Presentation Foundation
    Microsoft Azure
    Amazon Web Services
    SQL Programming
    AngularJS
    Socket Programming
    ASP.NET MVC
    ASP.NET
  • $100 hourly

    • 5.0/5
    • (48 jobs)
    I'm an expert in mobile applications /games development with extensive experience in building high quality apps and games in Android, iOS, Xamarin, Cocos2dx and Unity3D. I've 8+ years of experience range from building popular social apps, awesome puzzle and challenging business applications for Android, iOS and Xamarin as well as high performance guessing, escape and strategy games in Cocos2dx and Unity3D. I like working with team that cares about maintaining high programming standards and performance. It's always been important to me to build long term relationships with clients, so I'm looking for long term projects. Upwork has recognized me as "Upwork Pro Mobile Developer" based on my skills and performance with 100% success rate. I'm a full time freelancer and flexible with my working hours. It's more fun to me to stay in sync with other team members while working. I look forward to hear from you!
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Flutter
    C#
    JavaScript
    Android
    Game Development
    Unity
    Cocos2d
    iOS Development
    Android App Development
  • $50 hourly

    • 5.0/5
    • (9 jobs)
    ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ "Muhammad Jazab Najeeb is an exceptional .Net developer. His technical expertise, attention to detail, and problem-solving skills are outstanding. He communicates effectively and actively contributes to the team. Working with him has been a pleasure, and I highly recommend him for any project. Muhammad consistently exceeds expectations with his strong work ethic and passion for his craft." ✔ I have hands-on experience in Agile, Software design patterns, Azure, MS SQL server, NET Core MVC, Restful APIs, Blazor, Xamarin Forms, MAUI, Angular and React. ✔ I have excellent technical experience in Requirement Analysis, Design, Implementation, Maintenance and Troubleshooting. ✔ I have worked on a range of projects that have allowed me to develop a deep understanding of the .NET framework and the ability to work effectively in a team. I Have Expertise In: ✅ RESTful Web API Developed in ASP.NET Core. ✅ RESTful Web Services Integration ✅ Angular and React ✅ Entity Framework ✅ Firebase ✅ MS SQL ✅ Payment Gateway Integration (PayPal, Here, Stripe, EasyPaisa, JazzCash) ✅ Realtime Database (SQLite, Firebase, Couchbase, Azure) ✅ Google Maps and Places API ✅ Push Notifications ✅ SMS Gateway Integration ✅ Barcode/QR Code Scanner Integration () ✅ Social Media Integration ✅ Ads Integration ✅ Convert the website to an app ✅ Third-Party SDK integration ✅ Git (GitHub, GitLab, Azure DevOps, Bitbucket)
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    REST API
    iOS Development
    Flutter
    Web Application
    RESTful API
    Microservice
    Web Development
    .NET Core
    MongoDB
    React
    Microsoft SQL Server
    Angular
  • $50 hourly

    • 5.0/5
    • (119 jobs)
    I have 20 years of experience after my Masters degree in 2002. I am expert at Windows Application Development using Microsoft technologies Completed over 100 jobs involving many innovative and exciting applications. I am strong at - API Programming - Windows and cross platform Desktop Applications development using C#/VB/C++ - Mobile Development using Xamarin - Web Development and Web Services using ASP.NET, MVC - Algorithms development - Excel Automation using VBA and .NET plugins - Databases using MySQL, SQL Server
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    iOS
    LINQ
    SQL Programming
    MySQL Programming
    Python
    C++
    C#
    SQL
    ASP.NET
    Visual Basic
    .NET Framework
    Desktop Application
    ASP.NET MVC
  • $40 hourly

    • 5.0/5
    • (2 jobs)
    Microsoft Certified software engineer with outstanding problem solving and debugging skills, having more than three years' experience in the field of Software Development. Successfully maintained, refactored, implemented new features and resolved high priority bugs raised. Having excellent team player qualities with an aim to achieve profitable results. Dedicated to learning new technologies, having fast learning skills and tremendous time management skills. As I am a highly focused team worker and very attentive problem solver, I succeed in developing high-quality systems that meet the end-user requirements.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Angular 10
    ASP.NET MVC
    Blockchain Development
    Web Development
    Azure DevOps
    Microsoft SQL Server Programming
    Windows Presentation Foundation
    C#
    Entity Framework
    Vuetify
    Blockchain Architecture
    .NET Framework
    Vue.js
    DevExpress
    AngularJS
  • $35 hourly

    • 4.5/5
    • (10 jobs)
    Hi, I have 8 plus years of professional development experience with mobile application development in Xamarin-Native (IOS & Android), Xamarin Forms and Android Native, including requirements gathering, technical design & documentation, application architecture, framework, design patterns, UI/UX, unit testing, automation testing, Beta app testing and app deployments on google play store & app store. Having good verbal and written communication skills. Excellent team collaboration and coordination. Excellent organizational, communication, presentation, and interpersonal skills. Primary roles: • Working as a Senior software engineer. • Development and support of mobile applications in Xamarin-Native (IOS /Android), XamarinForms / Cross-platform and Android-Natives. Primary responsibilities: • Requirement gathering & Analysis. • Technical Specification Preparation and Review. • Mobile apps Development. • Bug Fixing and Support. • App Deployments. • Participated in different phases of the Development Life Cycle from requirement gathering, analysis, design, development, and deployment. • Actively participate in scrum planning, daily scrum, and retrospective meetings held with client teams. • Contributed to team-building activities with a focus on learning and continuous improvement. Technical skills with the following expertise: • Xamarin Native Android & IOS. • Xamarin-Forms. • Android Development. • Kotlin. • Java. • C#. • Java-Script. • Swift. • Objective C. • XMAL. • React-JS. • XMAL. • UI/UX. • HTML/CSS. • SQLite. • Firebase. • Git. • CI/CD. • Design & Documentation. Thank you for your time and consideration. Regards: Shahzad Ali
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Swift
    Objective-C
    Android App Development
    iOS Development
    Map Integration
    Product Launch
    Android
    Mobile App Development
    Java
    C#
    Kotlin
    SQLite
  • $20 hourly

    • 5.0/5
    • (16 jobs)
    Thank you for considering my profile. I’m a passionate and pragmatic software engineer with 5 years of professional experience, specializing in full-stack development and App development using Microsoft technologies on the backend and JavaScript framework on front-ent. Strong in object-oriented analysis and design and experience with a wide range of front-end and back-end frameworks (see below). Also, being an artist in nature, I have a good sense of design, colors, and usability and can build beautiful and modern interfaces that people love. I can assist in all stages of the software development lifecycle and deliver working software with clean architecture, clean code, and automated tests. I have been working remotely on Upwork for more than 2 year, and within less than a year, I am top rated with 100 percent Job Success Score. ✔ If you never try, you'll never know ✔ I love to convert user requirements into working functionality. ✔ Let's get started. I have experience in different areas of programming and tools. ✔ Server-side apps (Asp.net core, NodeJS) ✔ SPA (Angular, React/Redux) ✔ App development (Xamarin Forms, React-Native) ✔ Unit testing and Integration testing ✔ Cross-platform Xamarin (C#, .NET) apps, ✔ Cross-platform React-Native apps, ✔ Architecture ✔ HTML/CSS ✔ Bootstrap ✔ Support and Maintenance Best regards
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Microsoft SQL Server
    React Native
    JavaScript
    ASP.NET Core
    Bootstrap
    Redux
    TypeScript
    Angular
    Mobile App Development
    .NET Core
    NestJS
    React
    SQL
    Entity Framework
    ASP.NET Web API
  • $20 hourly

    • 5.0/5
    • (21 jobs)
    As a highly experienced desktop developer with expertise in C#, WPF-MVVM, Winforms, and SQL, I offer a range of skills to support your software development needs. With over 10 years of industry experience, I have developed a deep understanding of these technologies and have a strong focus on developing high-quality desktop applications. My areas of specialization include Office Add-Ons and Inventory Management Systems, where I have a proven track record of delivering exceptional results for clients. I am also experienced in Bluetooth Sensor integration, and I have a strong interest in data analytics and UI/UX design. As an expert developer, I am committed to staying up-to-date with the latest industry trends and best practices. I have a passion for problem-solving and am dedicated to delivering solutions that meet your specific needs. Whether you are looking to build a new desktop application or enhance an existing one, I have the skills and experience to help you achieve your goals. Contact me today to learn more about how I can support your software development needs.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Infovisa MAUI
    Entity Framework
    Mobile App
    XAML
    Android
    iOS Development
    Model View ViewModel
    Multithreaded Programming
    C#
    Windows Presentation Foundation
    SQLite
    Microsoft Windows
    Universal Windows Platform
    Microsoft SQL Server
  • $27 hourly

    • 5.0/5
    • (20 jobs)
    An experienced Full Stack developer, with a large skill set, who enjoys taking on challenges and working for clients that have complicated requirements. My experience allows me to have positive contributions within the entire product life cycle, and deliver excellent results within an agreed timeframe. Having over 9 years of experience developing numerous complex in-house applications, individually or in small teams, I have worked on multiple full project life cycles but also maintained some legacy applications. Most recently, I have gained experience in GoLang from a project that had high performance, scalability, and efficient communication with various third-party services. I am well versed in the industry's best programming practices and deliver outstanding service and support to clients. I started as a Web Engineer, shot up the ranks, and eventually became a full-stack developer. My primary stack is Flutter, Angular, NodeJS, VueJS, and MongoDB. I have proficient experience in Dart, JavaScript programming language. My skills are: Frontend: HTML,CSS, SASS, Angular, JavaScript, Typescript, NextJS, NuxtJS, VueJS. Backend: NodeJs, NestJS, GoLang, Django. API integrations, PHP, Electron, Laravel, API development. • Expert full-stack developer highly focused on CI/CD based on Scrum Agile Methods • Full DevOps: project architecture to production deployment at scale (whether VMs, Docker containers, cloud services, or on-prem) • Outstanding trouble-shooter and "OMG! Everything is on fire! HALP!!" the first responder • Strong web app, data structures, data science, and visualization skills • Graduated with a Computer Science degree and have always specialized in application architecture, knowing how to structure apps so that you can have the most performant and productive code base. I love playing key roles in big teams, helping companies grow and develop enterprise software, web, mobile apps.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    PHP
    Material Design
    Vuetify
    JavaScript
    Next.js
    Python
    Laravel
    Map Integration
    Dart
    MATLAB
    Nuxt.js
    Golang
    C++
    Java
    Vue.js
    SaaS
    NestJS
    Docker
    Chat & Messaging Software
    React
    Flutter
    JavaFX
  • $15 hourly

    • 4.9/5
    • (8 jobs)
    I am a python programmer. I work primarily with Python, Xamarin, and C# to develop Desktop/Mobile applications. I am also a technical content writer and am available for services.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Computer Science
    Translation
    C++
    C#
    Python
    Technical Writing
    Content Writing
    English
  • $25 hourly

    • 5.0/5
    • (6 jobs)
    Hi I am a full stack mobile, desktop and web developer. I do mobile and web development in C# and Dart. I love to develop apps for my clients. I am sure you will also feel happy after getting work done by me ...
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    User Authentication
    Android App Development
    Microsoft Visual Studio
    Model View ViewModel
    Software Development
    Mobile App Development
    Mobile Apps
    iOS Development
    Android
    iOS
    Push Notifications
    C#
    SQLite
    ASP.NET Web API
    ASP.NET MVC
    Microsoft SQL Server
  • $30 hourly

    • 5.0/5
    • (8 jobs)
    ⇢ 11+ years of experience leading all stages of SDLC including business process analysis,   requirements definition, analysis, architecture, design, implementation, risk management, deployment and support. ⇢ An experienced software engineer with excellent communication and interpersonal skills who has the ability to work in a team and independently under pressure. ⇢ Experience working with different levels of authorities within an organization. Have worked with portfolio architects, PMO, development teams and QA and deployment teams.
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    ASP.NET MVC
    Microsoft SQL Server
    Angular
    C#
    JavaScript
    .NET Framework
    Apache CouchDB
    ASP.NET Web API
    .NET Core
  • $20 hourly

    • 5.0/5
    • (5 jobs)
    I'm a Passionate Software Engineer,I have working Experience in C#, ASP.NET MVC, REST API's, Angular 8, NodeJs, Entity Framework, SQL Server, MongoDB I also worked on Face Recognition using python & JavaScript libraries i can ... Utilize established development tools, guidelines and conventions including but not limited to ASP.NET, SQL Server, HTML, CSS, JavaScript, and C# Prepare and maintain code for various .Net applications and resolve any defects in systems. Prepare test based applications for various .Net applications. Enhance existing systems by analyzing business objectives, preparing an action plan and identifying areas for modification and improvement Manage defect tracking system and resolve all issues and prepare an update for systems. Investigate and develop skills in new technologies Create technical specifications and test plans Monitor everyday activities of the system and provide require support. my skills Are.... BS degree in Computer Science, with programming experience 5 years of design and development experience with .NET,NodeJs, C#, ASP.NET MVC, Angular 8 ,Python Face Recognition ,Windows Forms and SQL Server in an n-tier architecture. Strong background in object-oriented development techniques Database design and development (Microsoft SQL Server) Understanding of Software Development Life Cycle and Agile methodologies. Passion for technology and knowledge
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Software Development
    Mobile App Development
    Website Development
    Web Application
    Angular 6
    ASP.NET Web API
    ASP.NET MVC
  • $10 hourly

    • 5.0/5
    • (2 jobs)
    With over 8 years of expertise working with a wide range of technologies and business areas. Client management, as well as the transformation of requirements into solutions/deliverable, are all part of the whole experience. Working as part of a group or accepting single responsibility From analysis to design to development and execution, I've successfully worked with online apps, desktop applications, client-server, and n-tier systems. Knowing C#, CLR, Threading, and Parallel programming inside and out. Furthermore, have the natural inclination and mindset to produce efficient code that follows the.net framework's best practices. Assist with all stages of the software development life cycle and create usable software with clean architecture and code. Core Programming Languages: C#, SQL, JavaScript, VB.NET, JSON Databases: MS SQL Server (2005, 2008, 2012, 2014, 2016, 2019), MySql, MS Access Technologies and Frameworks: .NET Framework, ASP.NET, ADO.NET, ASP.NET MVC, .NET Core, Model View Controller (MVC), Language Integrated Query (LINQ), Entity Framework, Windows Form Development, Windows Presentation Foundation (WPF), Model-View-View Model (MVVM) HTML, HTML5, CSS, CSS3, AJAX, jQuery, jQuery Template, XML, Angular, ReactJs, Typescript, Windows services, Web Sservices, WCF Services, Web API, Restful API, Microservices, Task Parallel Library, UML Modeling, Python Development Methodologies: Extreme Programming, Test Driven Development, Agile development, Scrum, Domain Driven Design Source Controls: SVN, Git, Team Foundation Server (TFS)
    vsuc_fltilesrefresh_TrophyIcon Xamarin
    Browser Extension
    Plugin Development
    Web Service
    Odoo
    Bot Development
    React Native
    React
    Windows Forms
    Windows Presentation Foundation
    RESTful API
    ASP.NET Core
    ASP.NET MVC
    .NET Core
    .NET Framework
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