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Upwork API Development Jobs Completed Quarterly

On average, 307 API Development projects are completed every quarter on Upwork.


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Time needed to complete a API Development project on Upwork.

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API Development Upwork freelancers typically receive a client rating of 4.64.

Last updated: October 1, 2015
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Ritesh Kumar

Ritesh Kumar

iPhone/iOS(Objective-c) developer

India - Portfolio: 16

I have been a professional Mobile application developer. I am expert with: # Phonegap #Android #iPhone #Swift #Apple watch Also ROR work experience . My specialist skill set is following by: - Google Map & Geolocation & GPS - All REST APi(Json,xml) & Backend Mobile App - Social Network such as Facebook, Twitter, Google+, LinkedIn, Instagram. - Push Notification - In-App purchase & In-app Billing - Video/Audio Streaming

74% Job Success
$15.00 /hr
1,748 hours

Vijay P.

Vijay P.

Expert Web Developer | | MVC | Node | WCF | API | WPF |Angular

India - Tests: 8 - Portfolio: 9

Over 6 years of experience in Web Applications using Microsoft Technologies, .NET framework and JS framework. Quick and easy learning as well as pronounced talent to hand over knowledge, adaptability, creativity, burly logic. I’m analytical, devoted to job, undependable, sometimes perfectionist, but always loyal. Additionally I handle the pressure well, meeting the deadlines, being independent in solving tasks, etc. Listed below are my experience and skills. Programming languages: ASP.NET, c#, ASP.NET MVC 4/5, WCF, JavaScript, LINQ, Entity Framework, Telerik, Dev Express JS Frameworks: Node.js, JQuery, Angular JS Standards: XML, Ajax, JSON, REST, OOP API: Web API, Instagram, Google all API,Facebook API, Google Analytics, Google Oauth, SOAP UI Frameworks: JQuery UI, Twitter Bootstrap Databases: SQl Server, MySQL, SQLite, MongoDb Payment Gateway: PayPal, Stripe Web Servers: IIS, WAMP, Apache Tomcat Version Control: TFS, Git, SVN * 5+ years of experience with ASP.NET * 2+ year of MVC development * 5+ years of formal experience with HTML, CSS, JavaScript, AJAX and browser compatibility Other Skills: Google Web Master Tool, Google Analytics Tool, Google Chrome Webstore App Development My services include development of web sites and web based application, customization of existing solutions, architecture design (all server, code and database levels), bug fixing, technical support and consultations. My work style is based on details, quality and responsibility. Main rule of my work is `Do your work in same way like you would like it to be done for you`. I'm opened for communications with hires because I trust that this guarantees that all questions will be discussed in details and work will be done in time. I am giving you to done work on time with your requirements.

91% Job Success
$15.00 /hr
1,438 hours

Mr Risdyanto

Mr Risdyanto

PHP, Java, C#, AWS S3 & CloudFront, API/Web Service Expert

Indonesia - Tests: 5 - Portfolio: 6

I have more than 12 years in programming with 8 years in PHP and MySQL, 6 years in Java, and 6 years in ASP.NET C#. I'm also familiar with Javascript, especially jQuery framework, and CSS (Twitter Bootstrap). What I have done in those years are develop social networks, develop and integrate APIs, web scraping, and information system, both web and desktop. I have also experience in AWS S3 and CloudFront. Based on those experiences, I think I can be your great partner. And don't forget to hire me :)

100% Job Success
$22.22 /hr
949 hours

Kamran Qadir

Kamran Qadir

ASP.NET | C# , Java | JavaEE

Pakistan - Tests: 12 - Portfolio: 8

I am dedicated, committed and hard-working individual with proven software development skills and I am here to help you using Software technologies. I develop enterprise level web and desktop applications and perform web integration. Microsoft: C#, ASP.NET (MVC, Web-API, Identity), Razor, Entity Framework, WCF, WPF, Silverlight, Ext.Net, Kendo UI, DevExpress, Telerik, WebForms, Winforms, Crystal Reports, RDLC, Windows Services, Console applications Java: JSP, Struts, Spring MVC, GWT, JPA, Hibernate, POI, AWT, Swing, Android Integration: API (C#, Java) / Social APIs, Oracle SOA Suite Databases: Oracle, SQL Server, MySQL and PostGreSQL Distributed Databases: MongoDB, Apache Cassandra, Redis, Neo4j Messaging: MSMQ, RabbitMQ Search: Solr, Lucene, ElasticSearch JS : AngularJS, JQuery, ExtJS, Google Charts, HighCharts My previous experience is in these domains; Telecommunications, Logistics and Social Safety I deliver projects on-time, within budget with proper communication with clients. Surely you will feel comfortable to work with me.

80% Job Success
$16.67 /hr
299 hours



Laravel Expert with Angular

India - Tests: 2 - Portfolio: 5

I have been working with startups since more than 4 years. I have worked with a product startup companies and built some really great products. Also I was an active participant in the product decisions like choosing technologies, product architecture, UI/UX etc. so I strongly believe in building really good products and in long-term & honest relationships. I am well versed in various technologies and since the world of IT is always evolving, I make my best efforts to keep pace with it. I have been leading a startups product teams for more than 4 years, thus I understand business requirements very well and can form the best solution which is requires. So when you need more than just a coder, who understands your needs very well and can put his own inputs on table to make product better as well as who delivers bugs free solutions, I am the one you can depend upon. Over the past 6 years, I got an experience of building great products from scratch with whole product ecosystem with strong backend and scalable architecture. I gained expertise in the following fields: - PHP - Laravel4 & Laravel5 - MySQL, MongoDB, Redis and much more databases. - Javascript, Ajax & jQuery - AngularJS - HTML & CSS, Bootstrap - NodeJS - MeteorJS - Flex, Adobe AIR & ActionScript3 - APIs Development & Integration - Product Customization - Project & Database Architecture Looking forward for your chance to work together.

89% Job Success
$33.33 /hr
476 hours

Oleg L.

Oleg L.

Expert Developer - C# | C++ | C | Delphi | PHP | JS | MySQL | SQL

Ukraine - Tests: 18 - Portfolio: 10

I have 14+ years of experience in the IT industry. I have 11+ years of developing desktop applications and websites. I am looking for opportunities to use and sharpen my existing skills, and hopefully acquire and develop new ones as well. I love my work and job as well as my product. This means, hi-quality and perfect-product are my slogan. I am interested in developing desktop application, web-sites, mobile web / native applications, where I can experience and acquire new techniques and experiment and improve them using my own knowledge on the field. I also have some experience in the following areas: video, audio and photo editing.

Groups: LoginRadius

100% Job Success
$24.44 /hr
1,189 hours

Jaydip Sardhara

Jaydip Sardhara

web developer & designer

India - Tests: 5 - Portfolio: 5

Hi, i am jaydip sardhara. I am experienced php, wordpress, javascript developer.. I have grip on html, css, javascript, nodejs, angularjs, php and mysql.. I 've taken my chance to be a freelancer in order to challange my skills and help you, the one you need my services. I usually concentrate on my clients needs and I listen them really carefully. I believe I'm able to meet my clients preferences! Give it a try and hire me! You'll like my style of work...That' a guaranteed fact.

$7.33 /hr
34 hours

Dhruvi P.

Dhruvi P.

Web Developer

India - Tests: 2 - Portfolio: 4

I am a Web and Software Developer with commitment for quality work with the use of latest technologies. My ultimate motive is client satisfaction. I have command on my skills that are always in search of challenging projects. If you have some thing like that, Let me know. I have a total of 5 years experience in developing software and dynamic web development and custom web development. I have industrial experience for business professional. Lots of people enjoy my services because I provide satisfiable web solution to all of my client with reasonable cost in short period. I am a professional web solutions provider. I can provide you turnaround and time frame quickly. I have good expertise in E-commerce solutions, MVC, Web API, Web Service,Web Applications and Software Development, CakePHP, Zend Framework, Wordpress, Codeigniter, Joomla and Quality UI, Web Designer and Mobile Application Development PSD to HTML5, Responsive and PHP development. I can provide you a good quality of work

81% Job Success
$15.00 /hr
66 hours

Niklas Sulin

Niklas Sulin

Full Stack Mobile App Developer (iOS + Android + Backend)

Finland - Tests: 10 - Portfolio: 5

Over the last 5 years, I have developed a wide range of mobile apps and Web Server using Xcode, Objective C, Storyboard, AutoLayout, PHP, MySQL. My core competency lies in complete end-end management of a new mobile app development project and I am seeking opportunities to build mobile apps from the scratch for you or your business. My technologies are: - Social networking integration (facebook, twitter, linkedin, instagram...) - Photo Sharing, Video Manipulation, Photo Effects - Push Notification( APNS, GCM ) - Map Kit(Google Map, Geo-location) - Barcode/QR Code scan - Business, Food, Travel, Shopping, Booking, Hotel application - Backend (, - Xcode, Objective C, Swift, Java - iOS 7, 8, 9 App Development - iPhone 4, 5, 6, 6+, iPad Looking forward to work with you!

$55.56 /hr
20 hours

Sergey Suprunenko

Sergey Suprunenko

Ruby on Rails developer

Russia - Tests: 3 - Portfolio: 1

Experienced Ruby on Rails, Grape and Ember.js Developer. Master of Computer Science. I can quickly create and deploy fully functioning complex web applications in short periods of time. I also have some experience in the following areas: - Bootstrap, SASS - Javascript/jQuery - TDD - Git - Deploy to Digital Ocean (Linux, RVM, Nginx, PostgreSQL)

96% Job Success
$25.00 /hr
805 hours