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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, 332 API Development projects are completed every quarter on Upwork.

332

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 4.65.

4.65
Last updated: September 1, 2015
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  1. Mahabubul H.

    Mahabubul H.

    Zend Certified, PHP-Java-MySql-Symfony-ZendFramework-Spring-jQuery

    Bangladesh - Tests: 9 - Portfolio: 5

    Individual developer, working since 2005, got lots of experience in web development and desktop application development. Very good at php, java, javascript, ajax, css. I have done a professional certification on php5 (Zend Certified Engineer). Authored a book on Zend Framework. Work with me, i can assure you 100% satisfaction. Till today I have developed almost every kind of website from large social network to small personal site. I am very good at apis also like Google Data Api (youtube, map, calendar), Facebook api, Twitter api, Paypal api, Amazon api, eBay api etc. Last but not least i develop websites for mobile also. What I care most is a good long term relation with clients. After finishing a project I provide support for a long time. Okay this is all about me in brief. Looking forward to work with you. Thank You.

    Groups: Zend Certified Engineers

    $25.00 /hr
    706 hours
    5.00
  2. Deepak Aggarwal

    Deepak Aggarwal

    .NET, MVC, Javascript, Jquery, SQL Srvr, API, Tester,Technical Support

    India - Tests: 2

    Passionate and motivated problem solver with 6+ years of experience in a broad range of technology stacks covering Development, Integration, Data, Infrastructure and Support. My highlights include: 1. Got TOP RATED Tag provided by Upwork recently 2. More than 3800+ hours remote work experience on Odesk 3. 5 stars rating from all upwork clients till now. 4. Mote than 5 Years experience of working remotely with big IT organizations such as Devfactory, gteam, Versata , gen3media, Zendesk support etc 5. 5 years experience of using Atlassian products -JIRA, JIRA Service Desk, and Confluence 6. Salesforce API Integration and development expert 7. Zendesk apps and widgets development expert 8. Six years experience of dot net development (ASP.net (2005-2013) using C#.Net and VB.net ) 9. MVC (2.0 - 5.0) 10. Linq, Entity framework(4-6), NHibernate. 11. Javascript, Jquery and it plugins, AngularJS 12. DNN (6-7) 13. ASP Classic 14. Web Services(SOAP/REST Services, asmx ,WCF, Web APIs), dot net window sercices development and WCF 15. Third party tool integration (MS Chart, go data Reporting, red controls, payment gateways etc). 16. Windows App and WPF 17. Reporting - SQL Server Reporting Services (2008 - 2010) , Crystal Report and Gooddata 18. Database - Microsoft SQL Server (2000-2014), MS Access 19. Five years experience of working with ticketing system platforms (Zendesk ticketing system, JIRA ticketing System, Mantis etc) 20. Good experience of Automated testing using tools such as Testcomplete, TestExecute, Junit, bash scripting etc 21. HTML5 and CSS3

    $15.00 /hr
    3,855 hours
    5.00
  3. Rambabu B.

    Rambabu B. Agency Contractor

    PHP expert (wordpress, opencart, joomla, codeigniter, magento)

    India - Tests: 6 - Portfolio: 5

    i am having 6 years exprience in php. i know core php, wordpress, joomla, opencart, magento, codeigniter, html, javascript, ajax, jquery, mysql, API integration(bullhorn, infusionsoft, facebook, twitter, gmail, hotmail, yahoo, 5 pm, adobe connect)

    Associated with: Greendays Infotech

    $15.00 /hr
    36 hours
    5.00
  4. Manali D.

    Manali D.

    One Stop Corner for Website/Web Development | Mobile Apps | Softwares

    India - Portfolio: 4

    *** Topmost Web Designing and Development - Android development - iOS development Company *** Array Infotech Pvt. Ltd. is a vision to turn your dreams into reality, started in 2010. It is a software development company located at Gujarat, India. We have nearly 23 employees with varying and certified technical skills. We are now 5+ year old company with strong leadership having nearly 7 years of IT Industry experience. We have worked on projects for web based development, client-server technologies development, web designing, Mobile app development product development. Visit us surely at: www.arrayinfotech.net Our Core Expertise: ------------------ - Web Applications Development - Enterprise solution development - Desktop Applications/Desktop Widgets - Integrating 3rd Party web services - SOA enabled applications development - E-Commerce application development - Maintenance and enhancement of existing application - SaaS enabled application development - Product engineering - Mobile application development - Gaming development Technology Expertise: -------------------- - VF, APEX, classes, triggers, pages,packages, web service call outs, s-controls, scheduled batch jobs, customer portal development, Integration with external applications, Conga developers integration, QuickBooks integration - .Net 1.1/2.0/3.0/3.5/4.0/4.5 (C#, VB.NET), ASP.Net, Winforms - WPF, WCF, Silverlight, LinQ, Windows Compact Framework - Web application, Desktop application, Windows services and Web service development - Classic ASP, Visual Basic 6.0, VB Script, Java script, jQuery - Databases - MS SQL , My SQL, Oracle, Access - Reporting: Crystal Report, SSRS, Jfree Charts, Jasper reporting - Server Technologies : BizTalk, SSIS, SharePoint, IIS, Tomcat, Weblogic, Webspear - Java/J2EE, EJB, JSP, Servlet, JSF, J2ME - Frameworks : Spring, Hibernate, Struts, MVC, Tibco GI, DNN, Rich Faces, Maven - Development tools- Visual Studio, Eclipse, RAD/RSA - Third party integration - Telerik, DevExpress ,Yahoo UI, Backbase, Quickbooks, Conga Developers, Aspose.PDF, Aspose.Slides, Adobe InDesign, iTextSharp - PHP, open source frameworks like Zoomla, Drupal, Wordpress, Zend, CodeIgniter - Testing - NUnit, jUnit, TestDirector, Selenium - Web 2.0, Ajax implementation - iPhone/iPad/Android development ----------------------------- Our AIM is to ----------------------------- - Provide 100% Satisfaction to our customers - Provide Quality Service - Provide Value for money We believe in best and we think that our customer business grows, our business too will grow.

    $15.00 /hr
    0 hours
    0.00
  5. Patricio Mac Adden

    Patricio Mac Adden Agency Contractor

    Computer Science graduate, Ruby, Rails, Contributor to Sinatra, TDD

    Argentina - Tests: 4 - Portfolio: 1

    I'm a Computer Science graduate with 6 years of experience in Web Development. I love Ruby, Rails, Sinatra (which I contribute to) and Test Driven Development.

    Associated with: TEMPL

    $33.33 /hr
    12 hours
    0.00
  6. Vsevolod Z.

    Vsevolod Z.

    Python developer, Infrastructure Expert

    Ukraine - Tests: 7 - Portfolio: 2

    Computer Science Master, since 2000 successfully held positions of * Web Applications architect, Python developer and security expert; * Chief Technology Officer (CTO), * Chief Information Security Officer (CISO), * IT manager; System analyst, Solutions architect, Advisor; * UNIX systems and networks engineer (16 years of experience); Specialties Networks architect (MPLS, VLAN, internal routing protocols, BGP), UNIX OS family, Juniper/Cisco network equipment, Firewall, Network and software security (covering Payment Card Industry Data Security Standard), Network services monitoring, Backup solutions, LAMP/FAMP/BAMP/LNMP/FNMP/EBLAMP/XAMPP/XNMPP servers, Database administration, DNS, MTA, Software development, Web applications, Cloud computing, Virtualization, Load balancing and High availability clusters solutions. Practically experienced in programming (since 1993). Good knowledge of the common programming languages: C, PHP, PERL, Python, Javascript, SQL. Familiar with OOP (object-oriented programming), general theory of programming (can quickly learn any new programming language).

    $50.00 /hr
    750 hours
    5.00
  7. Joseph V.

    Joseph V.

    CEO of Vent Software

    United States - Tests: 2 - Portfolio: 2

    As a programmer, I aim to create software solutions that push technological limits. It is my goal to stay ahead of the tech curve. Innovation is my best practice. In my opinion, the technology in this world is leaning towards mobile technologies. Entrepreneurs are striving to fill the mobile application gap. This space can be confusing without an engineer who knows the field. Let me help you create the next big innovation!

    $33.33 /hr
    3 hours
    5.00
  8. Shaharyar H.

    Shaharyar H. Agency Contractor

    Salesforce Certified CRM Expert - Top Position in Salesforce

    Pakistan - Tests: 6 - Portfolio: 15

    Over the last 10 years, I have analyzed, designed and developed a wide range of business systems and applications. My profile is top ranked on Upwork as Upwork has certified me as one of the highest performing freelancers around. I am a Salesforce.com certified developer, administrator and consultant with over 200+ successful implementations worldwide. My major expertise is in the following areas of Salesforce Development Services:- - Apex Classes - Apex Triggers - Visual Force pages - Force.com Sites - Integrations (WSDl / Json/ XML) - Rest API - Web services - Developing AppExchange Products - J Queries, Java Scripts, NodeJs, Angular JS - Payment Gateway integration with Salesforce Salesforce Integration Services:- -Integration of Salesforce with external web and desktop apps. -Develop custom in Salesforce to be used by other apps. - PHP website integration with Salesforce - Wordpress to Salesforce integration and plug-in development -.Net and Java Application integration with Salesforce - Native Android & iOS app development using Salesforce API and data Administration and Customization Services:- - Configuring the Vanilla Salesforce.com - Object/Field Creation - Setting up Users, Roles & Profiles - Creating Workflow Rules - Writing Validation Rules - Creating Page Layouts - Loading data via Data Loader & Jitterbit Data Loader - Amazing analytics by creating various Reports & Dashboards - Sharing Rules - Views / Lookup / Search - Chatter Functionality - AppExchange Tools - Home Page Components - Multi Currency - Data Cleansing - Data Entry - Data Research - Setting up Campaigns & Email Marketing Tools I WILL ENSURE YOU MY BEST SERVICES FOR YOUR JOB.

    Groups: Microsoft Certified Professionals, salesforce.com...

    Associated with: S3Technology

    $25.00 /hr
    7,451 hours
    4.79
  9. Leonard Leong

    Leonard Leong Agency Contractor

    Sourcing Expert | Web Marketer | Binary Options Trader | Web Developer

    Philippines - Tests: 16 - Portfolio: 5

    Ambitious, energetic, strong-willed, charismatic, organized, creative, thoughtful, and passionate leader who plans and execute innovative solutions that paves the ways to win-win situations. Experienced in leading a complex organization that has a distributed workforce as a majority of its staff in providing world-class cost-effective services to a diverse clientele that includes: Automobile Dealerships, Marketing Agencies, Book Publishers, Law Firms, Event Planners, Coffee Retailers, etc. If you're looking for a professional whose goal is to provide clients cost-effective solutions for their business processes, then please feel free to tell me how I can be of service.

    Associated with: ROO Agency

    $9.99 /hr
    6,625 hours
    4.93