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Since 1995, Javascript has grown to be one of the most frequently used computer programming languages. It’s a multi-paradigm programming language that can be used for websites, PDF documents, games and desktop widgets. On Upwork, the world’s largest online workplace, companies and individuals hire skilled Javascript developers to create software solutions and front-end applications.

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JavaScript Job Cost Overview

Typical total cost of Upwork JavaScript projects based on completed and fixed-price jobs.

Upwork JavaScript Jobs Completed Quarterly

On average, 4,711 JavaScript projects are completed every quarter on Upwork.

4,711

Time to Complete Upwork JavaScript Jobs

Time needed to complete a JavaScript project on Upwork.

Average JavaScript Freelancer Feedback Score

JavaScript Upwork freelancers typically receive a client rating of 4.69.

4.69
Last updated: August 1, 2015
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  1. Oleg Vakheta

    Oleg Vakheta

    Go/Golang/Perl/MySQL/JavaScript Developer, Linux Administrator

    Ukraine - Tests: 9

    I love Go, Perl and Linux )) Have more then 7 years experience in Perl developing, more then 2 years in Go and I'm also passionate Linux administrator. Now I'm concentrated in developing for Web, using Go, Perl+fastcgi+nginx. I made many parsers, system scripts, web systems. My main directions in work: - Go (Golang), Revel, Martini, pure "net/http" for handling routes; - Perl developing ( web systems, scrapers/parsers, system scripts ); - Web developing, using: Perl, Javascript, Jquery, Ajax, HTML, CSS; - Linux administration; - MySQL server and queries optimization for high loading systems; - PostgreSQL - queries optimization, writing functions, triggers; - security audit; - SEO. I am open for new knowledge and critique.

    $27.78 /hr
    1,605 hours
    4.62
  2. Benjamin K.

    Benjamin K.

    The King in ASP, PHP, Wordpress, JavaScript, AJAX, Lotus Domino

    Philippines - Tests: 16 - Portfolio: 16

    Top rated by upWork. With more than 8,000 hours of work. An expert in PHP, mySQL, ASP, Wordpress, AJAX, Lotus Notes, VBScript, JScript and other Web Development Technologies. As a developer, I find out the exact needs of my client and hold myself accountable for time management, cost-efficiency, conflict resolution, quality assurance, and above all, client satisfaction. My unquenchable thirst for knowledge, coupled with specialized experience in the field, makes me your ideal developer. I am self-motivated and have never missed a deadline. Over the past decade, I have been developing applications using Microsoft ASP, Visual Basic, PHP, MySQL, SQL Server, and Lotus Notes, majority of which are deployed over the web and are rendered cross-browser compatible. Such applications were developed either during my tenure for my employers or through referrals from clients or contractors that require my expertise in web development. My experience includes, but is not limited to, PHP, ASP, MySQL, SQL Server, HTML 4.0, CSS 2.0, Ajax, JavaScript, VBScript, Visual Basic for Applications (VBA), Lotus Domino, object-oriented programming (OOP), and HP LoadRunner.

    $18.00 /hr
    8,868 hours
    4.56
  3. Nimesh P.

    Nimesh P.

    Sr. QA Engineer-Expert Software Tester-MAC/Android/iOS/Web App QA Lead

    India - Tests: 13 - Portfolio: 36

    ★ TOP 1% of Successful oDesk Freelancers (Certified) ★ ★ The Only QA Freelancer on oDesk having completed (more than 80 JOBS + 11700 plus HOURS + 5 STAR Rating) all together ★ ★ Ranked Top # 2 QA Engineer at entire oDesk marketplace ★ Logged 10000+ valid defects overall ★ ★ A Full time Freelancer & Certified Software Test Engineer ★ ★ 11 Years of extensive experience in Manual and Automated testing ★ ★ Plenty of experience in Agile/Scrum/Kanban/Lean methodologies ★ 100% client satisfaction ratio ★ ★ 75 % are repeated clients ★ ★ 100 % flexible, can work in any time zone ★ ★ The apps I have tested are in All Time Great/Award winning categories like Color Splash, Brainscape, Timeline 3D, Language Therapy, Gametime, etc.. ★ oDesk Top 10% in : ✔ Software Testing Test ✔ SQL Test, ✔ MS SQL Server Test, ✔ US/UK English Basic skills Test, ✔ English Spelling/Vocabulary Tests, ✔ Wordpress Test, and many more... ★ Devices available for Testing: ★ iPhone 6 (iOS 8.3) iPhone 5 (iOS 8.3) iPhone 4s (iOS 8.3) iPad 3 (iOS 8.3) Samsung Galaxy S5 (Android 5.0) Samsung Galaxy S3 (Android 4.3) Google Nexus 7 (Android 5.1) LG G3 (Android 4.4.2) Windows XP/7/8 (All Browsers) Mac OS X (10.10.3) ★ I work in a unique way: You don't have clear requirement !!! No Problem, I don't need it. You are still preparing the specification !!! No Problem, I don't wait for that. You have a budget constraint !!! No worries, I would fit into it. You don't have any test cases/test plans/documents in place !!! No Problem, that's where I come into the picture. ★ ★ ★ GIVE ME YOUR APPLICATION, I'LL GIVE YOU THE DEFECTS. ★ ★ ★ Let me go through and analyze your application and, I would provide how to proceed with the testing, How effectively your application can be tested, I will come up with better test cases/ comprehensive test plans, important business and use cases and most importantly unique and incredible application improving and business fetching suggestions. My job doesn't end here. Once I verify the defects in all major browsers/OS, I log them in whatever format/tool you choose along the with the defects screenshots & videos. I won't leave you until I verify and close all the resolved defects. SO If you are looking for above skills and qualities then your search ends here!! If you still have some doubts, take a look at the feedbacks provided my valuable clients. I deliver what I promise, I do not promise which I can not deliver. Being a true professional, I dare to do whatever it takes to make my client's business successful and see his/her smile at the end of the day. I am sure we can do business! Cheers!

    $26.00 /hr
    11,868 hours
    4.95
  4. Zlatko Derkoski

    Zlatko Derkoski

    html,php,javascript,wordpress,codeigniter,flash developer

    Macedonia - Tests: 6

    Over the last 5 years, I have developed a wide range of websites using HTML/CSS/JAVASCRIPT/JQUERY, DHTML, PHP, and MySQL including sites for startup companies and small businesses. 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. I also have great experience in the following areas: SQL, Ajax, OOP, and software design and testing, WORDPRESS, CODEIGNITER frameworks.

    $22.22 /hr
    797 hours
    4.99
  5. Usman Ashraf

    Usman Ashraf

    IT Solution Provider

    Pakistan - Tests: 13 - Portfolio: 6

    We are company of highly professional, motivated, and experienced web programmers, conceptualizing, developing, and delivering reliable, extendable, functional, customer focused IT solutions to our prestigious clients. Ashtex Solutions was founded in 2004 by brainiac graduates of FAST, the most reputed and well rooted IT university of Pakistan. We offer originality in our work, coupled with the most up to dated knowledge of cutting edge technologies available in the market. At Ashtex Solutions we develop efficient web and desktop solutions covering a huge range of industries. We will take up your project from the very initial development stage, and will take you along with us through open, transparent, and effective communication, till the final deployment of the solution. We use the most advanced cutting edge technologies and always keep our selves ahead of the market, which in turns benefit our clients in terms of efficient, clean, stable, and accurate desktop & web solutions, which increases the client's competitiveness in the market. Our client base is highly diversified. It ranges from small website development to complex, custom tailored software solutions for our clients. Our web solutions increase the competitiveness of clients and provide them a better standing in the global market. Our expertise and confidence gives us the ability to deliver high class IT products and as a natural out-come we retain our clients forever. We offer vertically integrated solutions to our clients starting from template creation to fully deployed web solutions. Our service suite includes the following - Creation of web templates (CSS3.0, HTML 5.0) altered according to client's specifications and requirements. - Development of web graphics including the web slicing for a managed website design. - Client side scripts (Java Script, JQuery) for an interactive web user experience. - Server side scripts (ASP.net, PHP) to enable dynamic/run time processing based on user requirement. - Addition of persistent data storage in the form of ANSI compliant data bases (MySql, MS SQL Server, Oracle, MS Access) - Test deplyoments on the company maintained test servers. - Installation of web servers (Apache, IIS, Tomcat) and the actual deployment of the web solution. - Free support and bug fixes for 6 months after deployment. Besides our technical expertise, we offer a complete professional environment for our clients. Our other services include - We "always" full fill our commitments. In our seven years of business we have never backed out from our commitment. - Our solutions always cover the entire scope of the client specifications and they are delivered in timely fashion as per the committed date with the client. - Our expertise enable us to offer quality, competence, and quick execution of projects, from small ones to even the most complex ones. - We never make customers; we always build clients with a focus on long term business relationship. That's one reason that our clients always come back to us for more work. - We are always very peculiar about the intellectual property of our clients. The product which is custom made for a client is never distributed to others - We always keep a back up of binaries and source code. So in-case you loose your data you can always have the back up from us. - We have a huge repository of libraries (developed over time) available at our disposal for a rapid application development. - We are always available 24 hours around the clock. - Once an inquiry is posted on our systems, we reply within 12 working hours. - We offer free consultation and there is no obligation on the client's side. - By offering cost efficient solutions we give our customers a competitive edge in the market. - Our representatives are highly trained in effective, concise, and "to the point" professional communication. - We always take ownership of our products. We will love to hear from you and have you as our client.

    $20.00 /hr
    1,805 hours
    5.00
  6. Anatolii R.

    Anatolii R.

    node.js (ex. php) backend webdeveloper

    Russia - Tests: 7 - Portfolio: 10

    I'm one of the 3% most active JavaScript users on github - see first link in my portfolio. I have passed nodejs test among 10% most skilled nodejs developers - https://www.odesk.com/exams/_10426641 I mainly develop scalable RESTfull NodeJS servers for native mobile or single page applications or phantomjs based webscrappers trying to keep them simple and fast. I'm proficient with MySQL,PostgreSQL, AmazonRDS, MongoDB, Redis as databases, and can use most suitable one for your project. I can be your devops for tasks of deploying nodejs applications on Centos 7 VPS/VDS servers, Amazon EC2 or Heroku Cloud Application Platform. In my work i use git,mercurial and SVN version control systems, for every job i create a private repo at bitbucket.org for (me and customer only) for feedback, bug reports and support. I have a strong background as php/zend/symfony 1.4 developer and linux user since 2002 year. My work hours is 5 PM to midnight - Moscow time.

    $33.00 /hr
    1,170 hours
    4.21
  7. Stjepan Zeljezic

    Stjepan Zeljezic

    IT Professional

    Croatia - Tests: 3 - Portfolio: 5

    Need an IT Professional with whom you can easily communicate and get useful feedback, comments and the best solution to your problem? Over the last 7 years, I have developed a wide range of web applications using HTML/CSS, ASP and Access or SQL. I also have a lot of experience with web administration and skinning in DotNetNuke as well as in Sharepoint 2010. I spent two years working for Croatians most popular job searching website as Web Administrator (http://www.moj-posao.net/EN), where I was made a Team Leader after a year due to my high efficiency and accomplished results. I am presently working for a private Institute For Applied Ecology (http://www.oikon.hr) as a System/Network Administrator. I am also Microsoft certified - this is my Profile with all Credentials: https://www.mcpvirtualbusinesscard.com/VBCServer/stjepanzeljezic/profile

    Groups: Microsoft Certified Professionals

    $15.00 /hr
    1,065 hours
    4.83
  8. Abrar Haq

    Abrar Haq

    Sr. QA Testing Engineer & Professional Web Scraper, Pyton/QTP

    Pakistan - Tests: 6 - Portfolio: 15

    I have 7+ years of experience as a Software Test Engineer and a professional web Scrapper. I have a rich experience in assuring the quality of desktop and web applications manually as well as automated testing . My core expertise are Team management, test management, User Requirements Analysis and review, Test Data Preparation, Test scenarios identification, Test execution, Test reporting, QA Reviews, Defect tracking, BCR and Issue resolution, Functional testing, Performance Testing, Sanity Testing, document project deliverables, automation testing (QTP) and management reporting. My Specialization in Web Scraping Services include: ====================================== - Web scraping (Content / Images) and information restructure working for specific business purposes; - Provide large databases for website applications; - Data Mining (Text / HTML / Website): o Large chunk of texts; o Data from multiple sites; - Crawl and pull data from different sources to create search engines; - Automated information collection in quick time cycle; - Data migration. - Content Scraping for new Forums , websites: easier to build new website or forum by scraping content from other sites My Web Scraping Service is simple, productive, fast, and comprehensive. My Clients can be sure that no matter what structures and difficulties the targeted sites can be, My web scraping service will still lead to the same brilliant results (comprehensive size, amount of records including text, content, images, PDFs, and others). Samples of Reports for Web Scraping Services: » Real Estate Data Extraction » Extract Store Details » University's Web Data Scraping » Extract Product Description » Scraping Business Directory » Yellow Pages Scraping » Price Grabber Data Extraction » Scraping Property Information » Amazon Product Extraction » Download Product Images » Automate osCommerce Product Upload » Scraping Business Contact » Craigslist Posting Service

    $8.89 /hr
    626 hours
    4.98
  9. Robert Cummings

    Robert Cummings

    Lead Developer/Project Manager, PHP/MySQL, JS/jQuery, WordPress Pro

    United States - Tests: 6 - Portfolio: 6

    Non-agency professional skilled in: * Project management ( Apps / Web apps / Web sites ) * WordPress development ( Plugins / Themes ) * Server-side scripting ( PHP 5.x / MySQL 5.x / CRON ) * Client-side scripting ( JavaScript / jQuery / AJAX ) * Markup languages ( XML / XHTML / HTML5 ) * RESTful APIs ( Integration / Implementation ) * Facebook integration ( Authentication / FQL ) * Server management ( Linux / Windows ) I have over ten years of experience in the IT field working both independently and as a sub-contractor. I have a deep understanding of web technology, programming, graphic design, and search engine optimization. I'm a complex problem-solver, not a problem-creator. I communicate and work well in a team environment. My communication and planning skills are strong enough to coordinate the work of others. Currently, I am seeking both short and long-term positions. Specializations: * Managing development projects from inception to completion * Producing beautiful, functional and responsive sites, apps and UIs * Developing and maintaining WordPress themes and plugins * Securing and maintaining WordPress websites * Maintaining and editing content for maximum readability and SEO * Twitter Bootstrap-based web sites and apps I also have over seven years of experience servicing and maintaining computer systems and networks for local residents and businesses; troubleshooting computer hardware and software issues, recovering lost data, providing remote desktop support, and much more. CompTIA A+ Certified Professional ( 2005 ) Bachelor of Science in Information Technology with a concentration in Web Development ( 2012 - Present ) Speaks English only Eastern Standard Time (EST)

    $33.22 /hr
    540 hours
    4.81
  10. Pooja S.

    Pooja S.

    HTML5,Bootstrap3, CSS3, Jquery, Wordpress expert

    India - Tests: 6 - Portfolio: 8

    I am fast, efficient and reasonably priced but those reasons alone are not why you should hire me. You should hire me because i will provide you with a complete hassle free solution to your web development needs. I am skilled in Custom CMS, PSD, XHTML/CSS, HTML, Grid System, Responsive Designs, Mobile App, Bootrap, Web Design, Jquery, Java Script. Another remarkable point is my support. So when a job is done and handed over I provide free support even after long long days. I always pay attention to our client and specification. So if you are looking for your website development just pick me and take the best quality of work.

    $10.00 /hr
    907 hours
    4.88