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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. Darelle L.

    Darelle L.

    Web Developer/Programmer

    Philippines - Last active: 1 month ago - Tests: 1 - Portfolio: 4

    Experienced Web Developer with excellent knowledge on HTML5, CSS3, PHP, MySQL, , Ajax, APIs, Opencart and CMS Platforms. I am currently working on a web design company, I am really attached to the projects I have so that I could make success deliverables to the client.

    Groups: concrete5, LoadedCommerce

    $12.22 /hr
    73 hours
    5.00
  2. Alex Efros

    Alex Efros

    Perl Developer, Systems Architect, Linux Admin

    Ukraine - Last active: 01/22/2014 - Tests: 9 - Portfolio: 15

    Experienced in developing distributed systems, network services and backends for websites in Perl. I can develop complete website solution from Linux server installation and administration to complex modern web-interface in JavaScript (except graphical design). I'm developing software since 1989. I work as Perl/Web Developer since 1997. Development priorities: code simplicity and clarity, reliability, security, efficiency. I've experience with Apache and Nginx web servers, MySQL and NoSQL databases, Mojolicious and Backbone.js frameworks, Perl/HTML/JavaScript/CSS, FastCGI, non-blocking I/O, event-oriented and concurrent programming, complex parsing (fetching, parsing and processing complex data from thousands pages on hundreds websites every minute), service-oriented architecture, distributed computing, developing Perl modules, automated testing, … I work as Linux admin since 1994. Experienced in developing own Linux distribution from scratch (2001-2004). I've strong focus on security and since 2004 use Hardened Gentoo Linux. Experienced in developing large systems (50000+ man/hours) as Systems Architect and Senior Developer. Experienced Team Leader and Manager for small team (about 10 developers/testers). Also I'm author of many articles (mostly in Russian) and have small experience (about 6 months) as Top Manager in software company (about 200 employee). Since 2001 I'm working as full-time freelancer. I never agree to work which must be done quickly in exchange for quality. I like to do things in the Right Way and prefer simplicity and minimalism. I'm interested in tasks which should be implemented using OS Inferno and language Limbo (which usually mean distributed and/or highly concurrent systems). I'm looking for long-term business relationships with customers. More details (a lot of my open source software, perl modules, articles, links to LinkedIn/GitHub/etc. profiles) available on my website: http://powerman.name/

    $30.00 /hr
    0 hours
    5.00
  3. Peter B.

    Peter B.

    Cloud Technologist: AWS & NetSuite Expert

    United States - Last active: 4 months ago - Tests: 3 - Portfolio: 1

    I have been in software development, networking and technical management for over 18 years. I can implement your AWS Auto Scaling fleet, build and host an API integrating your existing web services with NetSuite, and build you a custom solution to your biggest technology challenges. I worked for Amazon Web Services for more than 2 years as a Software Development Manager for EC2, and interacted with teams working on S3, SNS, RDS, SQS, ElastiCache, EBS, CloudFront, DirectConnect, EC2 VPC, Route 53 and more. I have worked with and still interact with the people that make AWS tick and grow. You can trust me to bring my first hand knowledge of the inner workings of AWS to help your business succeed. I've spent several years building and customizing NetSuite. I've gone deep with Javascript and the nsAPI calls in SuiteScript. I've integrated external systems and APIs into NetSuite, optimizing workflows and saving employee time and overhead. I look forward to learning about you, your business, and what projects you are working on to help build your success.

    $175.00 /hr
    0 hours
    5.00
  4. Pavel Vlasov

    Pavel Vlasov Agency Contractor

    Senior full-stack web developer js react flux node go golang

    Russia - Last active: 3 months ago - Tests: 4 - Portfolio: 9

    6+ years software development experience, 3+ years experience in web development using javascript stack. Designing and developing high loaded systems in team or independently is my usual duty. Being polite, welcoming and professional are the rules I work. http://pvme.info/ https://github.com/freakycue https://www.linkedin.com/profile/view?id=315513148&trk=nav_responsive_tab_profile Tools, technologies and frameworks that I've worked with: node.js, mongodb, nginx, Go, golang, martini framework, express, sails, koa, heroku, joyent, websockets, socket.io, WebRTC, phantomjs, casperjs, bootstrap, jquery, backbone, angular, angularjs, reactjs, react, flux, browserify, requirejs, git, github, social networks' APIs (twitter, facebook) and etc.

    Associated with: Yield

    $33.33 /hr
    1,202 hours
    4.92
  5. Sarthak P.

    Sarthak P. Agency Contractor

    Expert WordPress (oDesk top 10), iOS, Android, PHP, Magento | 8+ years

    India - Last active: 2 months ago - Tests: 6 - Portfolio: 8

    Here's a quick snapshot of my skill set and experience- • 5+ years of WordPress [Top 10% on oDesk] • 5+ years of PHP, MySQL, jQuery, AJAX experience • 3+ years of iPhone OS and Android programming experience • 3+ years mobile application development • 4+ years of object oriented programming based development • Strong Grip on Xcode, Instruments, Interface Builder, eclipse • Possess intense knowledge of Objective-C, Web Services, XML, and JSON, Java • Passionate advocate of concise and simple code, designs and applications • Have experience in a light-weight, rapid turnaround engineering environment – agile specifically • Great SQL Skills working in MySQL, SQLite • Experience with consumer facing UI development My Experience I'm a Computer Engineer from India with passion and talent for my work. Over the last 5 years, I have developed a wide range of websites using PHP, MySQL, HTML, jQuery, Ajax, Javascript. The sites have been for start-up companies, medium and large business as well as for individuals. I'm very strong at OOP concepts and possess good knowledge of website designing and testing. My Qualities I ask questions whenever I'm not clear, I think out of the box and most importantly I WORK QUICKLY AND DON'T COMPROMISE WITH QUALITY. Once I have a project in my hands - I give my best. I believe honesty and good communication are most important for a successful collaboration and a long term relationship. I'm looking forward to your challenging project. :-)

    Groups: Bluehost Developers and Designers, LoadedCommerce

    Associated with: Pricus

    $20.00 /hr
    598 hours
    5.00
  6. Farooq R.

    Farooq R. Agency Contractor

    PHP|Directory|MobileSites|Twilio API|Prestashop|API|JQuery Expert

    Pakistan - Last active: 25 days ago - Tests: 5 - Portfolio: 13

    Zamsol is a team of experienced professionals providing a wide range of complex software and web application development services. We believe on professional solution and work hard till customer satisfaction according to their requirements.

    Groups: Twilio

    Associated with: Zam Solutions

    $20.00 /hr
    316 hours
    4.64
  7. Azmat Masih

    Azmat Masih

    Azmat Masih

    United States - Last active: 09/28/2014 - Tests: 1 - Portfolio: 1

    I am a strong team player, highly motivated, work very well under pressure required to meet the tightest of deadlines. And highly organized, have excellent communication, time management and organizational skills. I am adaptable, conscientious and enthusiastic keenly interested in exploring all latest technologies with can do attitude. Expertise: ======= SQL Server 2005-2008 ASP.Net C#.Net Entity Framwork Crystal Reports LINQ WPF MVVM XML API Development Paypal Integration Visual Basic 6.0 Telerik Log4Net AJAX HTML/XHTML Microsoft SQL SSRS

    $11.11 /hr
    124 hours
    0.00
  8. Raj Bose

    Raj Bose

    Sr. LAMP Stack Developer with API Integration

    India - Last active: 14 hours ago - Tests: 2 - Portfolio: 1

    I have 5 years of experience in developing software systems on top of LAMP stack with API Integration and advanced jQuery Proficient in REST APIs, XML/JSON based API integration. Acquaint with SVN/GitHub for version control.

    $10.00 /hr
    2,796 hours
    0.00
  9. Prem Sundar Shahu Khal

    Prem Sundar Shahu Khal

    PHP (OpenCart,Laravel 5,OsClass,WordPress) & ASP.Net C# Expert

    Nepal - Last active: 14 hours ago - Tests: 8 - Portfolio: 38

    I have been working as dedicated web developer from past 6 years. I have extensive experience in PHP as well as ASP.NET. I have good deal of knowledge and experience in opencart, magento, loaded commerce, wordpress, osclass, question2answer, codeigniter, symfony, Laravel 5, smarty. I can work with core PHP, custom frameworks as well. I also have extensive knowledge and experience in RESTful, HTML, CSS, Jquery, Javascript, Ajax, responsive design, convert non responsive sites to responsive, converting LTR to RTL or vice versa. I am also a startup IOS developer(swift). I am a quick learner and can adapt to new technology very fast

    $18.00 /hr
    1,914 hours
    5.00