JavaScript Jobs

What Is JavaScript? JavaScript is a scripting language used to enable programmatic access to objects within software applications. JavaScript will make your website more interactive, allowing your users input information, move elements around on the page, and make your website more functional.

If you are a JavaScript guru, can finish tasks with high level standards and in a timeless manner, then this is the right place for you! Freelancer.com supplies JavaScript freelancers with thousands of projects, having clients from all over the world looking for having their job done professionally and settling for nothing but the best. Jobs vary from building a dynamic web & desktop applications to fixing errors and malfunctions with Scripts. Those clients are looking for someone like you to get the job done. If you believe you can do that, then start bidding on JavaScript project and get paid with an average of $200 per project!

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    694 jobs found, pricing in GBP

    Developer should have - 1) 2-3 yrs experience on working as software developer especially in nodejs related projects. 2) Should have good understanding of database, including mongodb. 3) Should be comfortable integrating third part api(s), doing research nd implementation with minimum guidance. 4) Should be able to design db schema, rest api structures, etc. Freelance should be available for a min. contract of 3 months. Individual freelancers preferred. 5 hours daily/ 25 hours a week availability.

    £493 (Avg Bid)
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    5 bids
    craftcms developer 6 days left
    VERIFIED

    I need a craftcms developer who can resolve several issue on my project. Best Regards, Yao

    £9 / hr (Avg Bid)
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    10 bids
    AUTO BOT FOR ACCEPET RIDES 6 days left
    VERIFIED

    Hi Dear we are transport company we need auto bot which can accepet all incoming rides on website in available ride accoet and assign to vehicle

    £65 (Avg Bid)
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    12 bids
    related content widget 6 days left
    VERIFIED

    Dont bid using hourly rates-Im seeking a fixed rate for this proyect-all bids based on hourly rates will be IGNORED! Im seeking to develop a widget similiar to (take a look for example before bidding) I wish to be able to autopopulate it using my own network of video sharing and news sites,meaning it should pulls relevant content from my sites to display at the bottom of my should use post content, tags, and categories to automatically generate a list of relevant posts from my sites,in order to share and embed with other publishers. I need the embedable iframe code to be as simple as just copy and review the images included for more details before bidding. Note I dont wish to pay more than the fixed budget i quoted, Bid gets awarded its as simple as that.

    £22 (Avg Bid)
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    my server running Kubernetes with two working node , need to pull local image for my deployment

    £8 - £24
    £8 - £24
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    Having a small issue with our Magento 2 Store we are currenlty building. All the Configurable Products show as ZERO price. We have to go into each Product in The admin panel and press SAVE. We have over 4000 Configurables, so looking to create something like a PHP script to do this. Some links to look at: 1) 2) 3)

    £33 (Avg Bid)
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    9 bids

    Build a browser Plugin. There is an existing browser plugin, that needs to be modified. The current plugin extracts the web content present on the web page. Send the content to a function, which transforms the content. Currently this text transformation is at word level. Currently these transformation is done inside a browser by a using a map/dictionary. The current modification, we shall send the text to a REST API endpoint to perform the transformation. The input to the REST API would be a JSON object. Output from the REST endpoint would be a JSON object. The JSON response needs to be inline populated (written) the existing web page. Currently this text transformation is at word level. We shall do them at the sentence level, in this project. Once we finalize the project, we can provide y...

    £75 (Avg Bid)
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    Hello, I need to hear some advice from people who live in Mexico recently. It will be just 30 min - 1 hour communication and I can pay for 30$.

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    3 bids
    Sr.Java Developer -- 14260 6 days left
    VERIFIED

    Java, Servelet Hibernate, JavaScript Database

    £11 / hr (Avg Bid)
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    12 bids

    You need have experience with this. show me best project which you have done . Send me link which you have done, and need show me admin which i can see which permision admin can do. Bird on my budget. Thanks

    £139 (Avg Bid)
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    I need a basic stock counter website, showing the DOW 30 and S&P500. I would also like to use this API from finnhub. Here is the link:

    £174 (Avg Bid)
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    20 bids

    So I'm trying to add some bulk items to a woocommerce site. I would like to lock quantities to pre-determined amounts which are mostly large QTYs like: 25, 100. 250, 500, 2500 without an option for customers to enter odd numbers. I would like to do this only happen when a product is added either with a check box on product/option on the back end or maybe: if an option with label is added to the product ie (data-field-label="Quantity") SO IN SHORT, this option dropdown will replace(or sync to) the qty for the product and we will hide(not display) the qty box. Note this option is part of a plugin. SEE: (DOT)net/product/postcards/ This should be simple and straightforward. This is the first of many code changes. Look at my feedback we normally send more work to our same trus...

    £28 (Avg Bid)
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    10 bids
    Football prediction app React 6 days left
    VERIFIED

    Create a basic football prediction app with React and Firebase Firestore. The UI can be completely basic, I just want the functionality done. App flow User: 1. User registers/signs in 2. They can pick a competition to join - ie. Premier League (users can't create one, only select from existing ones) 3. Enter their predictions every week Admin: 1. Add/edit games to contest every week (an api will fetch all the data like fixtures and results but lets imitate that with dummy data) 2. Set a deadline for when users can enter their last prediction for the game week (ie. 1 hour before game starts) Other: 1. Leaderboard - based on rules of users predictions Create an account with , this is exactly what I want but less complex Again, I need it done with React/Next and Firebase Firestore,...

    £14 (Avg Bid)
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    imacros automation project 6 days left
    VERIFIED

    Looking for an imacros expert to automate downloading of reports from sellercentral of amazon marketplace. - prior experience of imacros is must. Its added advantage if previously worked with sellercentral

    £38 (Avg Bid)
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    5 bids

    Hello, i need a Reactjs newsletter form that’s integrated with Mailchimp and can easily be modified, the form have to be spam protected and includes the email address and a text input with a submit button. The text input have to be equal to 42 characters, no less and no more. The email input have to be well validated. Spam protection with recaptcha preferably. The final code have to be easy to embed within my app.

    £39 (Avg Bid)
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    We are looking for Storybook expert who can take our project and complete in a short time. You must have 4 years of experience in React at least. You must have 2 years of experience in Storybook and Tailwind CSS. You must keep good communication This is a test task to get your skill, so we will share full description with candidate who complete this task in 1 day.

    £127 (Avg Bid)
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    14 bids

    Hello -- We are building a CRM inside of + Airtable. Our goal is to be able to use this Telegram webapp: The telegram webapp can be modified to allow for custom development. We would like to create a series of methods that integrate with our CRM. It should allow a user to create organizations, contacts, notes, reminders, and opportunities directly from the webapp. The CRM databases use REST to create and modify data. Based on our understanding of the Telegram API, linking data in the CRM to the user_id and chat_ids should allow for them to sync. Happy to discuss the database structures and modify them to allow for the integration.

    £453 (Avg Bid)
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    45 bids
    Build website in React 6 days left
    VERIFIED

    Looking for a React Dev to make the website linked below in React. This includes the landing page as well as the "Start a Project" section that pops up when you click it. Will also need a Dashboard for the service made but that can be done after this first stage is complete. BOTTED BIDS WILL BE IGNORED!

    £721 (Avg Bid)
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    103 bids

    i'm looking for a js developer who can read a complete js file and found programming mistakes and vulnerabilities if there any the task is simple the js file have api requests must be done in one day note : if there any exploit in the code must be provided by an example about how to use it from the client side

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    Immediate start: Minimum 3 years of experience in chrome extension development. - Needed dedicated developer for short term project. - Developer must have use Tracking software for calculate actual work hours. - do not ask more that 200 per hour. Our budget is fixed.

    £62 (Avg Bid)
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    Magento Module Bug Fixing 6 days left
    VERIFIED

    We are looking for an experienced Magento 1.9.x developer to look into a bug in a 3rd party module.

    £11 / hr (Avg Bid)
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    We are running an Angular Membership Website that collects a payment using a simple StripeCheckout which returns a Token. This is then sent to a Stripe Charge Service which creates the payment. This is now failing due to 3D secure. We wish to migrate to the new style checkout - The website already calculates the "Amount" and we wish to then display the new style Checkout Form (which I understand deals with 3D secure). This should return an accept and pass the value to the existing API Call or Fail and pass a failure message to the existing API call. Existing Code snippets are attached. This is only about integrating the new Checkout Page and passing back the acceptance message to the existing API Call.

    £535 (Avg Bid)
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    I need react.js expert for simple frontend development. Design is already prepared.

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    IMPORTANT: read the attached document for full details BEFORE placing bids URL: Current stack/framework: GRAV () with custom js Target stack/framework: Wordpress, latest version, upgradeable to future versions + integrations (see below) Objectives: - migrate data and rebuild the general look and feel of in Wordpress - improve brand identity through cleaner design, distinctive type faces, better color coordination/consistency - modernize design and make it consistent across all pages - use new, high impact, high resolution media: images, video clips (optimized for mobile) - improve site navigation and information organization, streamline redundancy, lengthy/verbose pages - move all existing integrations (see below) to Wordpress - improve information infrastructure - export GRAV user dat...

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    I need 4 hours daily and payment will be monthly basis

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    I have a form Support Crew Appointment Form for Installations that has two main parts. the part when the customer enters their Name and address and the time and date that they want the service done. the second part is the service where My staff enters the service/product that the customer has ordered on another website. How do I show the customer the first part and not the second part? And how do I give my staff access to that second part? After my staff enters and verifies the info that they entered how do I then release it to be sent to my dispatch group via email, but only after it is approved? (Also down the road I will want to release it to my dispatch via API.)

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    React architect with 10+ Years of UI dev experience

    £36 / hr (Avg Bid)
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    we need to build some datatable and chart pages using Python Dash. - pulling dataset from the postgresql - showing them on the datatable and chart pages - making some filtering options

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    I need frontend developer for my page. But i don't have design, only idea. So you have to understand me with little words and make one i want. It is related blockchain, so blockchain knowledge is plus. Please share live url you have done.

    £369 (Avg Bid)
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    Looking for node.js react native developer for already established app with subscribers. -need dedicated developer who will report multiple updates to us per day and work very close with us to improve the software and fix bugs

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    NDA
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    Create An Example - a real-life scenario on how and where can apply the Facebook Prophet time scale Algorithm

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    Hi I have ruby API which has a list of jobs and I want to display the list on my WordPress page and also want to create a search for that job listing.

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    THE CODE I HAVE ONLY WORKS ON PC BUT NOT ON IPAD, IPHONE, ..

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    E-commerce type website with coding. Some basic process and features.

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    Description: I have a MERN stack project, which I need the REACT part developed. What You will need to do: - Create site boilerplate (using a template, previously agreed between us) - Must use Web3Modal for wallet connection. - Site must call to some Web3 methods, and after each method call success will call to the API to store on db. Example calls: Connect wallet, ask for signatures, create/update/remove listings/offers, same for profile. - Need to interact with opensea to grab some data. - Code must be well commented. - the project usees typescript I will provide: - Project files ready to develop react part. - API endpoints to call. If some are missing, you must let me know - Smart Contract Web3 methods to call. Note: Please mention "Blockify" as part of your Bid, so I know y...

    £148 (Avg Bid)
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    25 bids

    Description: I have a MERN stack project, which I need the REACT part developed. What You will need to do: - Create site boilerplate (using a template, previously agreed between us) - Must use Web3Modal for wallet connection. - Site must call to some Web3 methods, and after each method call success will call to the API to store on db. Example calls: Connect wallet, ask for signatures, create/update/remove listings/offers, same for profile. - Need to interact with opensea to grab some data. - Code must be well commented. - the project usees typescript I will provide: - Project files ready to develop react part. - API endpoints to call. If some are missing, you must let me know - Smart Contract Web3 methods to call.

    £451 (Avg Bid)
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    90 bids

    we need to build some datatable and chart pages using Python Dash. - pulling dataset from the postgresql - showing them on the datatable and chart pages - making some filtering options

    £139 (Avg Bid)
    £139 Avg Bid
    29 bids

    admin panel template css issue. need a developer who has knowledge of django and droplet. Not much of work.

    £50 (Avg Bid)
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    I need a word press website consisting of 4 simple pages. I need something very similar to My budget is 70-100USD If the work is done professionally and well designed I have 3 more projects in line.

    £66 (Avg Bid)
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    Need help with react storybook and typescript. My project is to design a Indeterminate checkbox

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    Here are the details of the project. Existing React + Flask application - Make call to a rest api in async/await style - Make application to be startable on a Linux OS via bash script ( I can help, but I don't know how to do the "webpack" stuff) - You will work with code from an existing Flask + React Single Page Application so you won't be working from scratch. There is a backend API that intelligently indexes a pdf. The backend API returns an index that is consumed by the frontend to provide an enhanced user experience reading the pdf. The api call to create the index takes minutes to perform. Therefore we need async/await style api call. Please see the attached to get an idea of what the user experience is like.

    £176 (Avg Bid)
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    We are hoping to find some help leveraging the custom code feature inside of HubSpot operations hub. We need help creating better processes and getting the most out of work flows. This must be someone who has a lot of experience, and can come to us with ideas on making a difference. First thing we need help with is, we have some data coming into hubspot via API to the contact record. However, I am hoping to have a custom code update or create a custom object when the new data comes into the contact. Is this something that you could do? Here is the task in more detail

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    A roleplay server, looking for a developer to work with to solve bugs and add new scripts(after testing).

    £172 (Avg Bid)
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    We are looking for a expert in order to build an extension. If you know the platform, and, have previous experience, feel free to apply to this project. NOTE: Spanish speaker is preferred

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    1. 7 pages 2. Front page has extensive animation, please refer to 3. Design, animation, images and content will be given 4. If can be designed on top of wordpress, this will be highly preferred 5. Other 6 pages have mostly static content

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    Hi, I need you to create interactive map for my WP site like the following: Our site is : and the map needs to be integrated into this page of the site : This is the logo to put on the map: When clicking on a location, there should be a pop up with the location info (like in , please check before asking what I mean).

    £55 (Avg Bid)
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    Necesito integrar la pasarela de pagos redsys en un e-commerce con backend en Python/Django y front con react, generar los PDF y el envío del pedido al cliente

    £230 (Avg Bid)
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    24 bids

    I need apis for my app our backend is in node js

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    Edit a HTML5 / JS Webapp 6 days left
    VERIFIED

    We have an operating web app that needs to be modified with: 1. New font, background and color 2. Replace existing images 3. Add a down arrow to show user to scroll down 4. Make layout better For more details, please see:

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    we are using a github project app for downloading training videos now the app project is not working, need a freelancer to fix, and make it working again!

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