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

337

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: August 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

    Sr. Software Developer(.Net) | Automated Tester | L2 Support Engineer

    India - Tests: 2

    To work as much hard as I can for the organization I am working and become one of the efficient Member of the team as soon as Possible. My highlights include: > Got TOP RATED Tag provided by Odesk recently > More than 3700+ hours work experience on Odesk > 5 star rating from all Odesk clients till now. > Three Years experience of working remotely with big IT organizations such as Devfactory, gteam, Versata , Zendesk support etc > Maintained a high level of client satisfaction > Good experience of using atlassian products like JIRA, confluence etc > More then five year experience of dot net development including Desktop and web application, API development, window services, API development, MVC application, DNN, Javascript, Jquery, Angular js etc > Good experience of Database Management (SQL Server) > Good experience of working as support agent (Zendesk ticketing system, JIRA ticketing System, Mantis etc) > Good experience of Automated testing using tools such as Testcomplete, TestExecute, Junit, bash scripting etc > Third party tool integeration with dot net apps(Chart, go data Reporting, red controls, payment gateways etc).

    $15.00 /hr
    3,834 hours
    5.00
  3. Seeraj A.

    Seeraj A. Agency Contractor

    Business Development Manager

    India - Tests: 1 - Portfolio: 45

    I believe in team-work. As a team we want to be one of the best Software Services providers globally and customer satisfaction is our primary goal. We not only develop projects but we also provide free consultancy to convert your ideas in profitable business models. Our team consists of 22 highly talented software engineers and graphics designers. Resources work on 1 project at a time so that we could give 100% to each of the projects we undertake.

    Associated with: Alcanzar Software Solutions Pvt. Ltd.

    $22.22 /hr
    0 hours
    4.91
  4. 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
  5. Aaron Pardes

    Aaron Pardes

    Django/Flask/Rails Web Developer

    United States - Tests: 3 - Portfolio: 1

    I have a B.S. in Industrial and Systems Engineering and having been doing entrepreneurial web development for 10 years. I specialize in back-end development with Python frameworks (Django and Flask) but I am also proficient with Ruby on Rails. I have worked with many small startups as well as Fortune 50 companies in capacities ranging from developer to product manager. I have extensive experience building and interacting with RESTful API's, data modeling, and project management. You can view my full CV at my website http://pardes.io

    $80.00 /hr
    1,178 hours
    5.00
  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
    742 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. Mohsin P.

    Mohsin P. Agency Contractor

    ASP.NET MVC5 Web Application Developer (7+ exp Years).)

    India - Tests: 3 - Portfolio: 3

    Passionate oDesk Verified developer having 7+ years of experience in programming Over the last 7 years, I have developed a wide range of websites using abo0ve mention technology including sites for start up companies and small businesses. Full time availability and can work 40+ hours/Week having good communication skills and requirement gathering and analysis experience. ► 7+ yrs of .NET ASP.NET, C#,VB.NET,WebAPI2,WCF MVC5 developer ► .Net Framework 2.0, 3.5, 4.0, 4.5 experience ► ASP.NET Ajax,MVC,Razor,WCF/Odata,Web,Windows Services ► SQL,ADO.NET,LINQ,Entity Framework 5/6,n-layer,n-tier,IIS7,7.5 ► Telerik,JS,HTML5,CSS3,jQuery ► Databases: MS SQL Server 2005/2008/2012,MySQL,Oracle 9i. I have complete command with 3rd party APIs such as ★ Twitter API, ★ Google API, ★ OAuth, ★ Telerik Rad Controls for ASP.NET AJAX, ★ Telerik RAD Controls for WPF, ★ Windows Communication Foundation (WCF Services) ★ Microsoft Entity Framework 4.x/ADO.NET Entity Framework I have worked with enterprise grade software systems that are composed of ★ multiple tiers and multiple layers, ★ distributed client-server applications that use ★ memory management and exception handling, Source Code Management ★ Git/Sourcetree ★ SVN/Visual SVN I have lead project as project lead guiding each stages from requirements gathering to system design, integration & quality assurance to deliver functional, usable and quality products. I have defined processes for maintaining quality of code, over life cycle of application development and have been a guiding mentor to my developers utilizing my experience in software development and best practices. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. Feel free to ask more information you need.

    Associated with: DreamBit

    $18.00 /hr
    1,188 hours
    5.00