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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. Dejan Noveski

    Dejan Noveski

    Software engineer

    Macedonia - Tests: 3 - Portfolio: 1

    I’m a passionate software engineer of 6 years, with knowledge and experience in prototyping, developing and deploying web applications, web services and platforms powered by the popular Python frameworks - Django, Flask, or PHP and PHP frameworks. I also have considerable experience - Building standalone desktop applications, utilities, system and automation tools. - Building mobile web services with offline support, syncing and data packaging to preserve bandwidth efficiency. - Implementing enterprise-level search and matching engines with Apache Lucene / Solr. - System administration and bash scripting. I work very quickly and go to considerable lengths to ensure that every job I undertake is delivered to my clients’ complete satisfaction. I’m constantly learning, and I’m always interested in taking on new challenges. Whatever your software needs are, I’m confident I can help you. References available. Specialties: Python, Django, Flask, Werkzeug, Pylons, SQLAlchemy, HTML, HTML5, CSS, CSS3, JavaScript, PHP, Solr, Lucene, Apache, Nginx, PostgreSQL, MySQL, Linux/FreeBSD administration, Web services, GIS, Geocoding, Vim, VimL, Git, Mercurial.

    $33.33 /hr
    1 hours
    5.00
  2. Alexander Kozlov

    Alexander Kozlov

    Top level professional Architect and SW engineer

    Russia - Tests: 21 - Portfolio: 5

    Make things done! I'm a professional C/C++ developer with more than 12 years of experience. I have been working both for a companies from Fortune 500 list, and a small local companies. My core competency lies in the world of mobile applications, SaaS and PaaS, desktop software and games development. I love to do my work right and really enjoy being respected for the things i do.

    $55.56 /hr
    1,772 hours
    5.00
  3. Nigam Vakharia

    Nigam Vakharia Agency Contractor

    Java 4+ Yrs of Exp, iOS & Android 2+ Yrs of Exp

    India - Tests: 6 - Portfolio: 6

    I have strong knowledge in the following areas: Android SDK/Java, iOS, JavaScript, AJAX, JSON, PHP, J2EE, Postgraysql, Oracle  and MySQL. Based on my knowledge I am creating WEB oriented client-server solutions for mobile platforms. The quality of my work is confirmed by my clients. Well understanding of other mobile platforms (iOS, Naive knowledge of Blackberry) and experience with data-driven web development has been great asset in successful mobile app development Before starting Android development I had been involved in Networking and HRMS domain based product development for about 4+ years and i also work with PHP. What I can ensure to you: - produce high quality product in timely manner - meet your deadline always, - responsible for bug fixes or future updates - always available to contact you via Skype anytime

    Associated with: eTechMavens

    $16.67 /hr
    0 hours
    5.00
  4. Jeffrey Santiago

    Jeffrey Santiago

    Expert Web Service/API Programmer

    Philippines - Tests: 1 - Portfolio: 4

    A versatile OOP programmer for over 5 years that has been working on different platforms such as IOS,Android,Web and Application Servers. A fully experienced API developer using different known protocols such as but not limited to SOAP,JSON or TLV over REST and XML-RPC. A Cryptography and Security Expert that is very familiar with industry standard security protocols such as RSA,PGP,AES,3DES,SSL/TLS etc. Well versed in the development of systems using different telecommunications protocols such as SMPP, USSD etc. and Banking protocols such as ISO-8583 and is experienced in Payment Card Industry Standards such as EMV, Magnetic Stripe and many more.

    $16.67 /hr
    0 hours
    5.00
  5. Goran Štimac

    Goran Štimac

    Linux admin/Software developer

    Croatia - Tests: 9 - Portfolio: 2

    Linux administration and automation are the things I'm most passionate about. I currently work on a highly available, load balanced, network of 500+ Linux machines. My daily work includes deployment automation with Ansible and Chef, ELK stack administration, Different HAProxy-LVS-Keepalived balancing setups, etc. Having worked as a Java and a .NET developer in the past, my skill set also includes working with WinForms, Webforms, MVC, WPF, ADO.NET, Entity framework, SQL Server, SOAP web services, REST, Spring, Maven... Other skills: SQL Server, MySQL, ElasticSearch, Crystal reports...

    $15.56 /hr
    222 hours
    3.34
  6. Dennis C.

    Dennis C.

    Full Stack Web Developer/Ruby on Rails, Python

    Canada - Tests: 6 - Portfolio: 3

    Having 9 years experience in the web developing, I strongly believe that I can make a significant contribution to you. My web developing expertise includes: - Ruby on Rails, Python/Django, Laravel - Dabasbase programming and administration with MySQL, PostgreSQL, MongoDB - UI/UX developing with jQuery, AngularJS, D3.js, Backbone.js, React.js - Node.js and Socket.io - RESTful API developing and third party web service integration. - TDD/BDD with RSpec, Cucumber, Capybara, Jasmine, Protractor - Search Engine : Apache Solr, ElasticSearch, Sphinx - AWS, Heroku, GitHub If you want to build smart, robust, flexible web apps, I will provide you best solution with my skill, experience, honesty and reliability.

    $44.44 /hr
    712 hours
    4.46
  7. 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