API Development Professionals & Consultants

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API Development Job Cost Overview

Typical total cost of Upwork API Development projects based on completed and fixed-price jobs.

Upwork API Development Jobs Completed Quarterly

On average, 377 API Development projects are completed every quarter on Upwork.

377

Time to Complete Upwork API Development Jobs

Time needed to complete a API Development project on Upwork.

Average API Development Freelancer Feedback Score

API Development Upwork freelancers typically receive a client rating of 4.66.

4.66
Last updated: May 1, 2015
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  1. Daria G.

    Daria G.

    Back-end and front-end dev and photographer

    Ukraine - Last active: 1 day ago - Tests: 2 - Portfolio: 1

    I specialize on Ruby on Rails and front-end development. In spite of the fact I have got a degree in International Journalism and Translation, I worked as QA and IT Sales for total of 3 years (from 2008) and then moved to web development from Jan, 2012. I have performed both back-end tasks (from basic CRUD to making simple APIs or server scripts) and front-end (building static websites from scratch or developing views with twitter-bootstrap). I believe the experience is formed with the quality of the projects, you have delivered, and not with the years of sitting in front of the laptop. Specialties: ruby 1.9.2+, Ruby on Rails 3.0+, linux and MacOS X environment, unix-shell, Git, SQL (SQLite, MySQL, PostrgeSQL), HTML, Haml, CSS, Sass, Less, twitter-bootstrap, javascript, jQuery Here is link to my github profile: https://github.com/amseledka I do photographs and various design tasks in my spare time, as well as help my friends with Russian-Ukrainian-English translations. My flickr profile: http://www.flickr.com/photos/37859578@N06/

    $33.33 /hr
    1,793 hours
    4.61
  2. Chaudhary zameer H.

    Chaudhary zameer H. Agency Contractor

    Web Application Development using PHP/AJAX, MySql

    Pakistan - Last active: 10 days ago - Tests: 2 - Portfolio: 7

    Over the last 10 years, I and my team has developed a wide range of web application using PHP, MySQL, jQuery, wordpress, bootstrap and codeigniter including sites for startup companies, small businesses and big companies. Our core competency lies in one-to-one approach and we do listen to what our clients want to say. Every team member at zeddindex is highly organized, skilled and has best work portfolio. We strongly believe in honest, consistent and hard work relationships which is the key for our client's success and growth in the industry. We also have some experience in the following areas: Salesforce APIs, Limelight, Infusionsoft, Twilio APIs, web page/landing pages designing etc. Why is this good? - Although, we have not been much active on upwork and use it time to time when we are looking for new and reliable work, however, custom web application and wordpress based application including front end development are the key areas which appeal us. - We have a diverse range of skill set among which Front end development, custom PHP programming, wordpress basic and complex application integration, themes building for themeforest are prominent. - We also have a huge portfolio for the work done for different client in sales funnel business, sale lead generation using Limelight, Infusionsoft etc We can guarantee you that while working with us, you will surely agree that we care for you and your business more than anything else.

    Associated with: ZeddIndex

    $16.67 /hr
    241 hours
    5.00
  3. Bob G.

    Bob G.

    Mobile Enthusiast, Web Developer

    United States - Last active: 09/04/2014 - Tests: 6

    I run a full-time graphic design firm, and travel extensively. For over 10 years I have built a wide range of skill sets in web programing, from PHP/MySQL, Flash (ActionScript), to payment gateways, Wordpress, and media database streaming. I am a tech hobbyist, and have a love for programing as an art. My greatest strengths, what sets me apart from my peers, is my creative approach to problem solving, thinking outside of the box, and pushing the limits of what is currently being done with today's technologies. I am currently seeking projects in iPhone (Xcode) and general mobile-web API development. I find the technology fascinating and am always looking for a new challenges.

    $45.00 /hr
    0 hours
    5.00
  4. Joshua Harbaugh

    Joshua Harbaugh

    Experienced Front-end Developer

    United States - Last active: 4 months ago - Tests: 4 - Portfolio: 8

    I am a versatile front-end developer with solid experience in HTML5, cross-browser compatible CSS (using pre-processors like LESS and SASS), and progressive enhancement techniques with Javascript, jQuery and AngularJS, as well as, a strong focus in clean responsive design.

    $55.56 /hr
    126 hours
    5.00
  5. Surabhi V.

    Surabhi V.

    **Could try me before hire** iOS / Android / Unity3D

    India - Last active: 1 day ago - Tests: 2 - Portfolio: 49

    To be Best in -- Lamp -- .NET -- E-commerce -- Mobile Applications (iOS, Android , Blackberry, Windows) -- Mobile Games (iOS, Android, Windows) -- Product Architect -- Cloud Computation *My objective is to achieve significant growth and name in market space adapting innovative and technically correct IT services model. *I have skilled in Apple's, Blackberry, Android, Windows Mobile, Java/Symbian developer tools like Xcode, Interface Builder, iOS, Cocoa Touch framework, Objective C, Eclipse, Netbeans, etc Leveraging the best of Mobile's technologies and using Social and other APIs. Skills: Social Integration (FB/Twitter/Renren/Weibo/QQ) GPS programming In App Purchase Push Notification Xml, Json Image Processing Audio and Video Streaming Ads(iAd/Chartboost/Revmob/TapJoy/Admob/Flurry) Webservice API(PHP/JSP/Perl/Python/MySQL) *I am strict on meeting optimum time-to-market periods. Understanding the core processes of mobile app development and build third-party applications that are as interactive and easy-to-use as native applications and Cross platform ( Phonegap, Titanium). * Mobile Games Skills: Corona SDK, Cocos2D, Cocos2D-x , Game Salad, iTorque 2D, Sparrow, Unity 3D , EMO , Mono Frameworks, illustrator and Photoshop.

    $17.78 /hr
    839 hours
    4.84
  6. Gagan Jaura

    Gagan Jaura

    C#.NET / Web API / Web Services / Graphics, Web & Mobile App Designer

    India - Last active: 1 month ago - Tests: 1 - Portfolio: 7

    Over 8 years of experience in all phases of Software Development Life Cycle (SDLC) including Requirement analysis, design, development, testing and Debugging, Deployment and maintenance of large and complex Web and Windows based Applications, Enterprise Applications and Client Server Applications using ASP.NET, C#.NET, XML, Web Services, JavaScript, Ajax, CSS, WCF in Visual Studio.NET environment (2005,2008,2010). I am MCAD & MCTS certified. I have following skills 1) Experience with creating stored procedures with SQL SERVER 2005, 2008, DB2 on the backend. 2) Experience with developing both for Win Forms as well as Web Forms. 3) Experience in creating and consuming XML Web Services using ASP.NET. 4) Worked extensively on ADO.NET to access databases like DB2, SQL Server 2005, 2008. 5) Good communication, ability to work under pressure, interpersonal and learning skills with strong presentation skills, and ability to interact with people at all levels. I have also 2 years of experience in graphics & web designing. I have worked on Mobile Application UI design. Below are the tools expertise related to designing 1) Adobe Photoshop 2) Adobe Illustrator 3) Adobe Indesign 4) Coreldraw 5) HTML 5 & CSS3 6) Dreamweaver To view the portfolio of designing please visit http://sabhyatasdesign.wordpress.com/ I also give SEO facility for a designed website and provide support on the following 1. Online Desktop technical support. 2. Online Computer peripherals(printer,scanner etc) support 3. Customer support and services. 4. Data entry jobs. 5. Online lead generation. 6. Online Recruitment. 7. Helpdesk services.

    $11.11 /hr
    45 hours
    4.85
  7. Nancy Verma

    Nancy Verma

    Magento Rockstar 4+ Experience

    India - Last active: 1 day ago - Tests: 5 - Portfolio: 4

    I am a full-time web developer specialized in Magento developments. Over the last 4 years, I have designed and developed a wide range of websites using Magento and PHP. I can provide my assistance with skills like: -- PSD to Magento integration, -- Magento theme Development & customization -- Magento Speed Optimization -- Magento Responsive development -- Magento Version Upgrade -- Magento Custom Module Development -- Magento Payment Integration -- Magento SEO -- Install Extension and Customize it. -- Magento Social Site Integration I believe my skills and experiences, if you hire me, you would just know my skills. I'm ready anytime and available to work full time. Let's get into the world of Magento with me!!! Let's make our dreams together! Best Regards.

    $10.00 /hr
    132 hours
    5.00
  8. satinder singh

    satinder singh

    Wordpress,PSD TO HTML , PSD TO WP,PHP Expert

    India - Last active: 12 hours ago - Tests: 2

    I am qualified and dedicated developer having More than 6 years of experience in Designing,Testing & Development. I have extensive experience with building custom Wordpress themes and modifying premium Wordpress themes (Themeforest.net, etc...). I also excel at PSD to HTML and PSD to Wordpress conversions using standardized frameworks like Bootstrap 3.0 and Underscores. We work hard to have clean, semantic, readable code. Have a look through my portfolio and you can see through all the different types of sites I've designed, I work to achieve a clean, relevant, and aesthetically pleasing look. Whatever the task, when you hire me you are guaranteed to receive top quality, precise work. And I am sure that you will Love my work. :) Framework's : CAKE, CODEIGNITER, Yii, ZEND, LARAVEL Frontend Design : HTML5 & CSS3, Twitter Bootstrap & Foundation Open Source : WORDPRESS, DRUPAL & MAGENTO HIGHLIGHTS : 100+ WORDPRESS WEBSITE BUILD & 120+ RESPONSIVE THEMES BUILD FOR CLIENTS Specialties: Professional experience in Wordpress, Drupal, PHP, MySQL, AJAX, Smarty, JavaScript, jQuery,XHTML, CSS, XML, OOP and Web2.0.

    $8.89 /hr
    3 hours
    5.00
  9. Kulvinder K.

    Kulvinder K. Agency Contractor

    Web Developer and designer

    India - Last active: 1 month ago - Tests: 9

    I am a lead developer with wide range of knowledge in web development process. I am quick to grasp new ideas and concepts, and to develop innovative and creative solutions to problems. because Programming is my passion. I've been creating the best quality and perfect web applications that can be loved by everyone. Having worked as PHP developer for almost 7 years already I gained valuable experience in the development of big and medium sized web platforms and applications keeping the high-quality and bug-free products. My objective at oDESK is to provide potential employers with expertise and high level of service in the field of website development, design and programming. My core objective is to provide high quality work to clients and set a standard to my work that it may improve as I go on in providing my services. My Promise as the saying goes "The first impression is the last impression" I want to ensure by working with you, the impression you make is the RIGHT one! I am expert coder of PHP, MySQL, Wordpress, Yii,Codiginter,CakePhp, HTML5, CSS3, twitter-bootstrap, JavaScript, Ajax with more than 7 years of experience. I make clean, accessible websites that are easy to use and easy on the eyes. Let's build something exceptional ! I have an experience in the following fields: - HTML5, CSS3 - Wordpress, Joomla, Magneto - PHPFox - Social Networking Script - Cakephp, Symfony - E-Commerce, Woo-commerce, - Genesis theme Framework, Gravity Forms - PSD to HTML\CSS\JS; - Adobe Photoshop. - jQuery Mobile - Responsive CSS, HTML5 boilerplate,CSS bootstrap, 960.gs, Node.js ... - User experience mobile design, layout. - MailChimp , ajax , paypal api , google api My main principle is: correct processes provide correct results. Being a trustworthy, reliable and creative partner for my long-term clients is my ultimate goal, so it is very important that my clients had be happy to work with me. Thanks less

    Associated with: HGate

    $7.78 /hr
    13 hours
    5.00
  10. Hemant Topiya

    Hemant Topiya Agency Contractor

    3000+ HOURS work done In Phonegap /Native IOS and Android /Json

    India - Last active: 2 days ago - Tests: 9 - Portfolio: 47

    I have 8+ years of experience in iOS and Android programming since the first iPhone SDK release back in June, 2007. Also, I bought the very first Android device the same year and immediately started programming mobile applications for both platforms. Over all these years I accomplished amazing 50+ mobile projects successfully. Now, I wanna be one of the top oDesk contractors with all of my work experience and my own technical know-how, providing high quality products to my business partners. My favorite development method: Agile ( Scrum, XP, DSDM, ASD, TDD, BDD ) Mobile device platform: ✔ iPhone 6 plus, iPhone 6, iPhone 5s, iPhone5, iPhone4s ✔ iPad Air, iPad4, iPad3, iPad mini ✔ Google Nexus 5, Samsung Galaxy S5, S4, S3, HTC One My skill-set: ✔ Native: iOS, Android, Windows8 (Objective-C, Swift, Java, C#), JNI, NDK (C/C++) ✔ Hybrid: PhoneGap, Xamarin, Titanium (HTML5, jQuery Mobile, C#) ✔ Web service: XML/JSON, REST/SOAP ✔ Device, Kit: Bluetooth Low Energy (BLE), iBeacon, Datzing, NFC, credit card reader, MIDI ✔ Cloud backend: Parse.com, Parse SDK, Parse REST, Parse Cloud Code, Amazon S3 EC2 AWS, Firebase, Foodie, remoteStorage, Twillio, Plivio ✔ Chat & Messaging Engine: XMPP, Jabber, OpenFire, OpenTok WebRTC, Ejabberd, Erlang ✔ Media Streaming: Wowza, SoundCloud, Red5, Icecast ✔ Video/audio/image processing: OpenCV, GPU Image, CoreAudio, EZAudio, Pitch Control, Bass, AVFoundation ✔ Vector graphics processing: SVG, SVGZ, Illustrator ✔ Video/audio streaming, codec: Wowza, Red5, H.323, MPEG-4 ✔ VOIP, Cloud Communication: Twillio, Heroku, Tokbox ✔ Speech recognition, text-to-speech, Siri, OpenEar ✔ HTML5, Ruby on Rails, PHP, ASP, JSP, C# and their frameworks ✔ MySQL, SQLite, Oracle, SQL Server, ODBC ✔ Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo ✔ Google Map, Foursquare, Geolocation, GPS, Open Street Maps ✔ Augmented Reality: Vuforia, Metaio ✔ Cocos2D, OpenGL, Corona, Unity3D, Box2D ✔ Game Center, In-App Purchase, RPG server ✔ iAd, Adwirl, Revmob, Admob, Chartboost, Tapjoy, Flurry, Testflight ✔ Mantis, JIRA, RedMine, BaseCamp, Huddle, Sprint.ly, Github, BitBucket, SVN ✔ Cloud services: iCloud, Rackspace, Zoho CRM, Salesforce, Azure, AWS, EC2, Dropbox ✔ Enterprise Resource Planning (ERP), Cloud POS, Warehouse Management ✔ P2P Payments: Bitcoin, Guldencoin, hivewallet, breadwallet ✔ Online Payment Gateway: PayPal, Authorize.net, Stripe, Venmo, Braintree, Payleap ✔ Mobile Game Genre: Casino Slot machine, Poker, Chess, RPG, Arcade

    Associated with: WebPlanex Infotech Pvt. Ltd.

    $30.00 /hr
    3,272 hours
    4.91