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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. Sugandha Ralhan

    Sugandha Ralhan

    Senior .Net/Java developer and Software Testing Lead

    India - Tests: 2 - Portfolio: 2

    I am a 10 year experienced developer(.Net,Java/J2EE). Have very good hand in .Net,Java technologies - ASP .Net, MVC, Web API, SQL Server, Desktop applications,jsp,Sprints,Struts etc. Have worked in Infosys for 1 year and then worked as Team Lead /Manager for a Team of 14 resources.

    $22.22 /hr
    1,599 hours
    4.72
  2. Sergey S.

    Sergey S. Agency Contractor

    .NET, Autodesk API (AutoCAD, Revit, Navisworks, Inventor, Maya)

    Russia - Tests: 7 - Portfolio: 12

    Hi, My name is Sergey. Just check my portfolio, and you will find a lot of programs that I have developed. I believe that my strong sides are my Creativity and Punctuality. My first goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I am an individual Autodesk API / .NET developer and have over 9 years of experience as an AutoCAD Specialist. I develop custom add-ins for Revit, AutoCAD, Navisworks using the Autodesk API's. Please take a look at my work history for comments from other clients. Thank you in advance for your time and consideration. I look forward to working with you soon. Skills and Experiences: - CAD systems [Expert in CAD programming and custom CAD application development for AutoCAD, creating custom entity/objects, cutomize AutoCAD, custom commands, using ObjectARX, VBA-scripts. Navisworks API (.NET, COM) Developer. Revit API (.NET, COM) Developer. Microstation v8 development (VBA, .NET, MDL). SmartPlantP&ID Developer] - Windows desktop Development [Desktop Applications(WinForms, WPF). Expert in Excel-datasheets, Macros-VBA.] -Web development [ASP.NET. MVC. HTML5. CSS3.] -Microsoft Office [Access developer. Excel macros developer. VBA developer.]

    Associated with: Smart SQ-O

    $33.33 /hr
    951 hours
    4.85
  3. 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
  4. Muhammad Waqas

    Muhammad Waqas Agency Contractor

    PHP/Mysql Programmer

    Pakistan - Tests: 2 - Portfolio: 1

    I have more than 6 years of experience ,I am the top rated developer on upwork,All five stars jobs on upwork.Dedicated, dynamic web developer experience in developing websites .Detail oriented, delivers results for employers.Eeager to learn new technologies.

    Associated with: Hameed&Majeed Soft (H&M)

    $12.22 /hr
    209 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. Abhishek K.

    Abhishek K.

    Software Engineer (Core Java Certified Programmer & API Expert)

    India - Tests: 2 - Portfolio: 2

    Has been working for the last 6 years and has worked on different areas and domains of development. Core skills are :- Java, J2EE, Struts 2.0, Hibernate, E-marketing, WebServices (REST and SOAP), MySQL, SQL-Server, PHP and many more. API integration:- Ebay API, DHL API, Auspost API, UPS API, Quickbooks API, Mailchimp API, Bing API, magento api, cognos sdk etc. Web Applications :- Ebay API interface and its integration in Spring, custom CRM in spring, Android backend in struts. Hadoop:- Hive, Pig, Sqoop Eclipse plugins:- Eclipse plugin creation. Webservices:- REST services and SOAP services both server and client. PHP :- application development in core php, a bit of wordpress and woocommerce. Antlr :- Translation of code from one language into other. EDI:- creation of EDI files after reading data from database, conversion of EDI file into xml, creation of EDI file from Magento API

    $18.00 /hr
    2,373 hours
    4.73
  7. Purushottam K.

    Purushottam K.

    Sr. Software Developer/Architect

    India - Tests: 7 - Portfolio: 2

    Over the past 8 years I have developed a wide range of commercial products including high performance web sites, winforms desktop application, large scale enterprise applications and distributed systems. My skills include expert knowledge in .NET Framework, C#, ASP.NET, Ajax, SOAP Web services, REST Services, WCF and Winforms. I am technical person and I prefer to talk less and just get things done. I am Microsoft certified professional. I have recently qualified Microsoft Technology Specialist in .Net Framework 4.0 with WCF. Thanks Purushottam

    Groups: Microsoft Certified Professionals

    $16.67 /hr
    2,902 hours
    4.93
  8. Tanmaya Mishra

    Tanmaya Mishra

    Web Application Developer in ASP.net,C#,Javascript,Classic ASP, API

    India - Tests: 7 - Portfolio: 1

    SkypeID: mishra.tanmay I am here to apply myself and my experience in developing web applications with all my zeal, freedom & enhanced responsibilities. I have worked for various organization for past 10+ years primarily in web application developments. I have experience of working with various technologies like ASP.net Webforms, ASP.net MVC, C#, JavaScript , jQuery, ASP, VB, SQL Server,Open Laszlo. I attribute my hard working, sincerity & eagerness to learn to the success of my short career till now. I am flexible and open to suggestions every time and in every situation. Hoping to have a great career enhancement here at oDesk.

    $25.00 /hr
    3,610 hours
    4.94
  9. Jelena K.

    Jelena K.

    Full-Time Python/Django Developer

    Lithuania - Tests: 5 - Portfolio: 1

    I'm a full-time DevOp engineer/web developer, mostly coding with python and django framework. Also I'm good with Linux environment, AWS. Knowledges of: * Ansible, Chef * Python * Django * Selenium * MySQL, PostgreSQL * AWS - EC2/S3 * Docker, Vagrant * Continuous Integration (Jenkins, etc) * Refactoring * Linux (Ubuntu, Centos, Debian, RHEL) Aimed on long-term cooperation.

    $30.00 /hr
    569 hours
    4.54