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Are you looking to hire a dedicated jQuery developer? Hire Sajjan Kumar Jha, a top-rated jQuery developer from Kolkata, India, to work on simple and complex enterprise-level websites, software, and apps on an hourly or fixed-price basis, ensuring high-quality, timely delivery of simple applications to complex portals.
Hire a jQuery developer with expertise in all jQuery tools and modules for dynamic and interactive websites, software, and app development. Hire a jQuery developer for event handling, CSS animations, and Ajax.
jQuery is a free, open-source, lightweight, "write less, do more" JavaScript library designed to simplify HTML DOM tree traversal and manipulation, event handling, CSS animations, and Ajax. The purpose of jQuery is to make it much easier to use JavaScript on your website. jQuery takes a lot of common tasks that require many lines of JavaScript code to accomplish and wraps them into methods that you can call with a single line of code.
jQuery has a feature where all of its DOM manipulation functions return the mutated element. This allows us to chain selectors and methods together in a simple and easy-to-understand way.
jQuery is a 100% free open-source lightweight JavaScript library that is freely available for anyone to use, modify, and distribute without any cost. jQuery can be used quickly and at zero cost.
jQuery code is simpler than JavaScript, so you only need to write a few lines of code to do the same thing. jQuery is a beginner-friendly that anyone can learn it without any previous coding experience.
jQuery is a fast, small, and feature-rich JavaScript library that can run and be tested in any web browser without creating a special development environment or any kind of setup in the text editor.
jQuery is a versatile library that can be used for web apps (frontend and backend), mobile apps, desktop apps, and game development projects ranging from small to large-scale enterprise applications.
jQuery is platform-independent, which means it can run on any OS, including Windows, Linux, and macOS. This makes it easy to work on different platforms and deploy on any server.
jQuery is highly scalable and can handle large volumes of traffic without compromising performance. It is easy to add new servers to a jQuery application, making it simple to scale up as needed.
jQuery tools and libraries are pretty helpful. Ex: jQWidgets, EasyUI, jQuery Mobile, Slick Slider, Isotope, matchHeights, iCheck, Selectric, jQuery Validation, DataTables, Highcharts, and gmap.js.
Looking to hire an experienced jQuery developer for web, mobile, and desktop application needs? Hire Sajjan Kumar Jha, a top-rated and professional freelance jQuery developer in Kolkata, India, to provide robust solutions for your websites and apps.
Hire an experienced jQuery developer to create dynamic and interactive user interfaces that can respond to user input and provide real-time feedback. jQuery can be used for both front-end and back-end web development projects to save development time by reducing the code.
Hire a dedicated jQuery developer to work on mobile app development project. jQuery Mobile is an HTML5 based user interface system allows you to design a single highly-branded responsive web site or application that will work on all popular smartphone, tablet, and desktop platforms.
Hire a skilled jQuery developer to create jQuery plugins for creating special effects that are simple and fast for web development. A plug-in is a piece of code written in a standard JavaScript file. These files provide useful jQuery methods that can be used along with jQuery library methods.
Hire a professional freelance jQuery developer to develop a responsive and feature rich website and app using AJAX technology, to make web pages more exciting, interactive, cleaner, high-performance and more user-friendly. The jQuery comes with plenty of built-in animation effects.
Hire a skilled jQuery developer to build any jQuery tools to extend the features of the website. Hire a jQuery developer to create interactive jQuery tools for SEO, popups, wholesale, reviews, upsells, e-commerce, marketing, chat, wishlists, FAQs, inventory, invoices, and tracking.
Are you looking to hire a dedicated jQuery developer for 24/7 ongoing support on an hourly, fixed-priced, or monthly basis? Hire a freelance jQuery developer to provide jQuery maintenance, troubleshooting, and support services to ensure your website or app remains up and running.
As an experienced freelance jQuery developer from Kolkata, India, we focus on the needs of our jQuery clients to provide top-quality jQuery websites and apps and 100% satisfaction. As a top-rated jQuery developer, we scored 4.9 out of 5.0, trusted by 285+ happy clients on over 360+ projects from the USA and all over the world.
If you need any sort of web development completed then Sajjan is the person you have to hire. He was incredible to work with as he completed the job on schedule and the quality of his work was awesome.
Nathan RicherPosted on:
Very pleased with Sajjan on this project. He addressed all my concerns in a timely manner and the end result is excellent. Very high quality work with minimal input required from me.
Maia ThornePosted on:
Working with Sajjan was great. He was very patient with me when I didn't understand things and was quick to respond to any changes I required. I would happily use Sajjan again, thank-you for your work.
Rebecca OnleyPosted on:
Sajjan is an absolute professional, I am very satisfied with his work, he was very helpful, solved the problems I presented and was also patient and willing to satisfy. I will definitely be working with him again.
Paul EroPosted on:
Sajjan was very helpful in identifying performance issues of our website. We thank him for his expertise and look forward to working with him in the future.
Sumant VasanPosted on:
Sajjan was a patient and excellent communicator and worked with me to do some basic setup on a Shopify theme. I enjoyed working with him and the job was successfully completed for the technical aspects.
Brock RichardsPosted on:
One of the best freelancers I have ever worked with. Extremely competent, affordable and fast. I will be using again.
Chris KoernerPosted on:
One of the best freelancers I have worked with. I am very happy and will continue to work together for a long time to come! :)
Sam RobertsPosted on:
Great professional, excellent communication and quality of work. I hope to work again with Sajjan in the near future!
PrÃamo JiménezPosted on:
Sajjan helped me to complete the Shopify site. I am very happy with his work. I will hire him again.
Amit RanjanPosted on:
Sajian succesfully delivered all milestones according to specification. His English skills are very good and is an excellent communicator. We will be hiring Sajjian again and highly recommend.
George BazosPosted on:
I got excellent support from Sajjan and team...He has shown lot of patience in listening to all my comments and fixed all my issues. I would with him in future...Thank you Sajjan,for the Great work..!!
Chandrika S.Posted on:
I had an emergency-type job and Sajjan had no problem fixing my site in no time at all. This is the second time I have used his service and it definitely won't be my last. He is absolutely the best on UpWork...
Nathan RicherPosted on:
Another job completed just as required. An easy freelancer to work with. Thanks again.
Rebecca OnleyPosted on:
Krisztina MendoncaPosted on:
Jared StarkPosted on:
Hire Sajjan Kumar Jha, a highly skilled jQuery developer from Kolkata, India, with extensive experience in every area of jQuery development, from jQuery startup websites or apps to enterprise jQuery development that increases customer engagement.
Hire an experienced freelance jQuery developer to build top-quality and high-performance jQuery websites or apps for mobile and desktop for small to enterprise-level businesses online.
Hire a dedicated jQuery developer to build robust and user-friendly jQuery websites or apps for mobile and desktop on an hourly, fixed-priced, part-time, or monthly contract basis.
We keep our clients updated about every stage with regular reports to ensure that clients remain up-to-date with the project's progress. We believe in transparent pricing with no hidden costs.
We dedicately test all the specifications, functionality, loading speed and performance, security, usability, browser compatibility, and responsiveness of web pages to maintain quality assurance.
Hire a dedicated jQuery developer to build secure, robust websites or apps for mobile and desktop on an hourly, fixed-priced, part-time, or full-time contract basis as per your requirements.
We offer 30 days of free technical assistance via email or chat in order to resolve any cosmetic updates and potential bugs, content and asset changes, design issues, code issues, or broken links.
Explore our jQuery development projects for websites or apps for mobile and desktop that witness the professional designs and seamless functionality that our jQuery developer crafted for our jQuery clients across Kolkata, India, and internationally over a span of so many years.
Hire a freelance jQuery developer by using our simple, transparent pricing models.
Starting from
Milestone-based delivery, if you have pre-defined needs and clarity of requirements.
Popular
Starting from
Pay only for the actual time utilised, ideal for ongoing updates, support, and maintenance.
Starting from
160 hours a month, ideal for IT agencies and start-ups for multiple projects.
Hire a professional jQuery developer to build jQuery websites or apps for mobile and desktop for large and small-scale industries in the USA, India, and all over the world.
Frequently asked questions for hiring a freelance jQuery developer in Kolkata, India.
jQuery is an extremely compact and well-written JavaScript code that boosts developer productivity by allowing them to perform crucial UI features with very little code. jQuery provides such simple syntax and methods to carry out complex tasks that it substantially simplifies JavaScript coding. JQuery offers a unified, consistent API that operates across other browsers, eliminating the need for browser-specific code.
jQuery is a free and open-source JavaScript library that offers exceptional value without investing heavily. jQuery websites, software, and apps can help turbo-charge your business's growth. As an open source and free platform, jQuery offers easy and quick setup, a lot of free tools and modules, a low cost of development, is fully customisable, has a huge community, is very fast, and requires easy maintenance.
The estimated time required to add a jQuery tool to a website or app might take anywhere from a few hours to a day, while more complicated jQuery projects may take several days to finalize. The specific time period depends on various factors, such as the project scope, project complexity, and other specific requirements. Please share your jQuery project requirements to receive a detailed proposal with a timeline and cost estimation to hire a jQuery developer.
The exact cost involved in developing a jQuery tool varies from project to project and depends on various factors such as the project scope, API integrations, project complexity, timeline, and other specific requirements. So it is better to share your jQuery project details and requirements with us and receive a detailed proposal and cost estimation of your jQuery project to select a hiring model that best suits your requirements, like hourly, fixed-priced, part-time, or full-time.
You can share your jQuery project requirements with us and receive a detailed proposal and cost estimation to select a jQuery hiring model that best suits your requirements, like hourly, fixed-priced, part-time, or full-time, and finally, we will start building your jQuery website.
The estimated cost to hire a jQuery developer is quite reasonable, starting at $20 per hour or a fixed-cost project ranging from $100 to $2,000. The actual cost of hiring a jQuery developer will vary based on project requirements, deadlines, and complexity. You can hire a freelance jQuery developer to construct your remarkable jQuery website, software, or app before the deadline on an hourly, fixed-priced, part-time, or full-time contract basis at your convenience.
Yes, sure. As a skilled jQuery module developer, we can help you build a custom jQuery module from scratch or customize any existing jQuery module. Please share your full details to receive a detailed proposal and cost estimation to hire the best jQuery module developer.
Yes, sure, we offer fully signed NDA and source code security to protect and respect my clients privacy.
Yes, you can hire a skilled jQuery API developer to integrate third-party services into your jQuery website or app by using available jQuery modules or building a custom integration using the API. Please share your full requirements to receive a detailed proposal and cost estimation to hire a jQuery API developer.
Yes, we offer post-launch regular support and maintenance services to keep your jQuery website, software, or app secure, up-to-date, and optimized for performance. Our ongoing jQuery maintenance and support service includes regular updates, security patches, bug fixes, and technical support as required. Please share your jQuery project details to receive a detailed proposal and hire a dedicated jQuery developer on an hourly or fixed-price basis.
Have a project in mind? or looking for a collaboration?👋 Send an email to hello@hirefreelancewebdeveloper.com.
A senior software engineer with 16+ years (since 2008) of solid experience in web and app design, development, optimization, and digital marketing.