JavaScript Jobs

Freelancer.com is offering you thousands of JavaScript gurus who will help you with all your JavaScript tasks in a timeless manner and with excellent proficiency. 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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    1,105 份搜到的工作,货币单位为 USD
    Java script 6 天 left

    Build javascript for buy products

    $283 (Avg Bid)
    $283 平均报价
    7 个竞标

    I need a frontend ReactJS developer who can review the existing project in ReactJS/Django and help actualize the frontend in Sketch with the pre-defined UI with knowledge of JS/CSS.

    $1628 (Avg Bid)
    $1628 平均报价
    28 个竞标

    Hello. I attached a link of the module I am interested in. Please check the module and let me know if you have something like this

    $182 (Avg Bid)
    $182 平均报价
    7 个竞标
    Looking for a D3 Developer 6 天 left
    已验证

    We need a d3js developer to build our special chart from blockchain transaction data. If you are open to this job, please apply to us Sample chart image is here: we can provide block data as json file

    $22 / hr (Avg Bid)
    $22 / hr 平均报价
    23 个竞标
    Fix React Native CLI App 6 天 left
    已验证

    I need a expert developer in React Native CLI Fix function play and stop music with React Native Track Player Fix App and Project to create .APK

    $49 (Avg Bid)
    $49 平均报价
    4 个竞标

    Looking for long-term partner, talented frontend developer Necessary skills: Javascript/Typescript, Html/CSS, Tailwind, React/Angular/Vue Really good point if you have rich experiences in dapp frontend development I hope: High speed & well-architecture component Beautiful & highlighted animation Easy-readable & well-commented source code Please don't bid if you're not an expert with rich experiences in real projects

    $486 (Avg Bid)
    $486 平均报价
    19 个竞标

    I have a project that contains a number of html pages that I need to add in Angular environment

    $142 (Avg Bid)
    $142 平均报价
    31 个竞标

    Hello. Everyone. I am looking for an experienced developer who can solve minting problems on mobile. Now, it works well on desktop browser but not works on mobile. If anyone who has experienced about this, plz contact me. You can start working immdediately. Thanks in advance.

    $188 (Avg Bid)
    $188 平均报价
    8 个竞标

    Build an accordion in the react projet that already exists

    $19 (Avg Bid)
    $19 平均报价
    27 个竞标

    We need a d3js developer to build our special chart from blockchain transaction data. If you are open to this job, please apply to us Sample chart image is here: we can provide block data as json file

    $21 / hr (Avg Bid)
    $21 / hr 平均报价
    15 个竞标
    Need a Discord Tool updated. 6 天 left
    已验证

    I have a app that works perfectly, what it does, is it checks a specific page for new Disney items in shopdisney.com. App works perfectly and just need to add a few aspects to it. (Coded in Javascript) A.) Add a button that will just direct them to a url to automatically add the product to their watch list B.) Use a Average Ebay Selling Price API to tell the average selling price of the product, as well as do math to show the percentage increase/decrease C.) For 5 days in a row, Every 24 hours, it checks the Average Ebay of the items, and if positive percentage increase, it will post in a specific channel. D.) After first posted, it checks the item every 2 minute, 10 times, to view if stock is decreasing fast. After 10 times, it will check every hour, 48 times. It should only post ONE ...

    $40 (Avg Bid)
    $40 平均报价
    2 个竞标

    HI, We have developed our mobile application with a developer. Right now, we wanted to do some corrections in our flutter app and test it.

    $334 (Avg Bid)
    $334 平均报价
    6 个竞标

    website is fully built and live on server we just need to add one more part for google authenticator on the withdrawal page for members. very small job

    $43 (Avg Bid)
    $43 平均报价
    6 个竞标
    Three.js Expert 6 天 left
    已验证

    Hello, How are you I have project and the development is almost done. But the style is yet needed to fix. Please check the below google drive document. And total budget is $300. If you have experiences, let me know. All auto bid will be reported. Thanks,

    $452 (Avg Bid)
    $452 平均报价
    9 个竞标

    1. make changes to existing API parameters 2. Add new APIs to my apps 3. Make front end changes 4. Work with my twilio/send grid changes to emails custom SMS preview links to my users admin panel. 6. Peform a data scrape See detailed list.

    $2100 (Avg Bid)
    $2100 平均报价
    74 个竞标

    I already have a python script written, that I want to get operational and with a very simple interface. I am hoping to have a python file that I can run, it installs what is required (if required), and then will pop up with a graphical interface (simple design) that will allow me to enter simple details to search. I need you to understand the script that is written, get it operational, and then design a simple interface for it. Should not be a difficult task, I just don't have the time to do it. Need to be proficient in Python, need this task within the next 24 hours, and also, to make sure you are still paying attention, I would like for you to tell me the score of the Manchester united vs Brentford score this morning. Link to Python Script. If you can make this work prior t...

    $19 (Avg Bid)
    $19 平均报价
    6 个竞标

    Somos una empresa de desarrollo que busca 10 programadores/desarrolladores Senior o Full Stack para apoyar en diferentes proyectos. Conocimientos y/o experiencia ideales: Backend: PHP (muy importante en la mayoría de proyectos), node.js (no muy importante, pero sirve), C# (recomendado si va a trabajar en los proyectos que tenemos en unity) Usamos Laravel como framework principal, pero alguna experiencia en codeigniter, cake, joomla o wordpress también nos sirve, pues en muchos proyectos incluimos código o dependencias de otros frameworks y hay que adaptarlos. Frontend: html, css (scss de preferencia), javascript (typescript o es6 de preferencia) como herramientas de front end, usamos vue.js en la mayoría de proyectos, tenemos algunos con Angular, en la mayor...

    $12 / hr (Avg Bid)
    $12 / hr 平均报价
    19 个竞标

    I am looking for electronjs developer who can develop my desktop app. Additional requirements: Having experience of exchange apis (Binance, Huobi..)

    $193 (Avg Bid)
    $193 平均报价
    11 个竞标

    Tengo un proyecto que tiene la estructura, pero necesito que se fabrique sobre el gráficos en o ApexChart y formularios con acciones en Vue usando Vuetify. Tengo el documento en inglés, no depurado. Si necesitan más información, no duden en señalarmelo.

    $484 (Avg Bid)
    $484 平均报价
    12 个竞标
    PWA & React.js Expert 6 天 left
    已验证

    Looking for a PWA expert who has considerable understanding of PWA development. Understands service workers, cache and manifest. Has good knowledge of react.js. No beginners. the project is already existing

    $15 / hr (Avg Bid)
    $15 / hr 平均报价
    31 个竞标

    Hello, this project is open for Application from developers who have worked on io development before or other games. Project is only at the starting phase. More work for performing developer. Phase requirements: User authentication local User authentication social Circular border map Player Camera set on player Player movement Single random spawn element Multiplayer Considerations: ECS architecture expected. Multiple maps with gates joining expected. Code to be extendable.

    $88 (Avg Bid)
    $88 平均报价
    3 个竞标
    DJANGO DEVELOPER 6 天 left
    已验证

    Looking for a django developer (Full Stack) to help with my Training Website. Should be good with backend apis. Very great in HTML also.

    $170 (Avg Bid)
    $170 平均报价
    28 个竞标

    Hi guys, I need an experienced backend NodeJS, Express, TypeScript, Unit Test(Jest) developer for an ongoing project. Requirements: - Needs to be able to start right away. - Needs goods experience of NodeJS, Express, TypeScript, PHP etc. To see if it is a genuine answer, feel free to answer these questions. If these questions are not answered, your bid will be rejected immediately. - What is your hourly rate? - What time zone are you in? - How many hours per day can you work, and when can you start to work? - You understand that no advance payment will be made. We will only work with milestones, and they will only be released when the work is done and we can test through everything. - This is an Ongoing Long-Term project (important Unit Test passed.)

    $12 / hr (Avg Bid)
    $12 / hr 平均报价
    17 个竞标

    IPTV Player bust have proven experience before.

    $851 (Avg Bid)
    $851 平均报价
    1 个竞标

    I have a map in "Google My Maps" but when I embed it in WordPress it doesn't have a search box, I want to add a search box to it because it's a layered coverage map. This is the map:

    $42 (Avg Bid)
    $42 平均报价
    8 个竞标

    I would like to integrate one GraphQL API on my Gatsby frontend project.

    $19 / hr (Avg Bid)
    $19 / hr 平均报价
    11 个竞标
    Gatsby + GraphQL Developer 6 天 left
    已验证

    I need a talent who can integrate one GraphQL API on the Gatsby frontend project.

    $40 (Avg Bid)
    $40 平均报价
    1 个竞标
    HTML/TailWind Web Designer 6 天 left
    已验证

    We are looking for a front-end designer proficient in HTML & TailWind to design a web application UI pages. Please apply with links to your previous works.

    $456 (Avg Bid)
    $456 平均报价
    7 个竞标

    I already have a python script written, that I want to get operational and with a very simple interface. I am hoping to have a python file that I can run, it installs what is required (if required), and then will pop up with a graphical interface (simple design) that will allow me to enter simple details to search. I need you to understand the script that is written, get it operational, and then design a simple interface for it. Should not be a difficult task, I just don't have the time to do it. Need to be proficient in Python, need this task within the next 24 hours, and also, to make sure you are still paying attention, I would like for you to tell me the score of the Manchester united vs Brentford score this morning. Link to Python Script. If you can make this work prior t...

    $14 (Avg Bid)
    $14 平均报价
    1 个竞标

    Tenemos pantallas creadas en Sketch / Zeplin y necesitamos maquetarlas usando React + Bootstrap, también se requiere experiencia en HTML5, JavaScript y CSS3. Se crearan componentes reutilizables dentro del proyecto y uso de Webhooks con React Responsive Design (Móvil, Tablet y Desktop) React nivel intermedio-avanzado Experiencia con React y Bootstrap JavaScript nivel intermedio-avanzado Experiencia usando JavaScript + APIs Experiencia en metodología ágil SCRUM

    $1061 (Avg Bid)
    $1061 平均报价
    49 个竞标
    Style some webpages for me 6 天 left
    已验证

    I have two webpages which are linked together that need some styling done similar to The page is the home page for the results and then people will click onto different pages like the For the it is reading a javascript file and automatically building the tables and header <h2> from an API, there needs to be 2 columns per tab which the first column will have anything that doesn't say General Classification in it and the second column to have anything with General Classification in it. All the tables need to be formated the following: - Rank (first column) needs to be justified to the left - Number needs to be centre - Name needs to be centre - time and gap columns are justified to the right but the headings need to be centered will also be replicated for a number of diffe...

    $153 (Avg Bid)
    $153 平均报价
    41 个竞标

    The extension MobileFrontend 2.3.0 (f78273c) 04:11, 27 May 2021 is installed in my wiki site. It was working until MediaWiki 1.36.1 was installed. I do not know what happened. The was setup as instructed, that is why it worked in the previous version. I want my wiki to be mobile friendly as it was before.

    $533 (Avg Bid)
    $533 平均报价
    9 个竞标

    Need help on an opencvjs project

    $21 (Avg Bid)
    $21 平均报价
    5 个竞标

    In web editor, with the use of , create a sketch, that would draw a point, from a list, in specific location, using coordinates, and centre on it with the proper zoom. Then, when further points would be added, sketch would draw a line, in sequence, between all the points, maintaining all the points visible on the screen.

    $11 / hr (Avg Bid)
    $11 / hr 平均报价
    3 个竞标

    Need a simple website for a very simple product. The website will need to be able to collect payment and have a very simple sales page.

    $187 (Avg Bid)
    $187 平均报价
    44 个竞标

    I am looking for a pricing engine that is currently in spreadsheet form. I will provide the link to a google sheet that you can reference containing the formulas for the calculations. I also have a diagram with the UX/UI layout. This app can be built in PHP and use MySQL to store the records. This app should be completely responsive and the UI should be easy to input and clearly see on a vertical phone but work properly on other displays as well. You will need to design a form that collects basic customer information that is associated with the pricing engine inputs in the calculator section. The app will store the records and provide the ability to sort, view and export a customer document.

    $515 (Avg Bid)
    $515 平均报价
    68 个竞标

    I need an experienced developer to rebuilt my marketplace site FROM SCRATCH (just the front end). Codes must be reactive, high performance, scalable, maintainable, readable, testable, reusable and updatable. I also need , ENZYME and STORYBOOK. Automatic test system. SOLID STRUCTURE and ARCHITECTURE KNOWLEDGE You must have graphic design skills Technologies : , Typescript, Recoil and react query (for the state management) Tailwind CSS, Jest, Enzyme and Storybook SONARQUBE IS REQUIRED Don’t bid if you are out of my price

    $8 / hr (Avg Bid)
    $8 / hr 平均报价
    12 个竞标

    Hello- we are looking to re-develop our software and bring it to the cloud for our physical therapy center and create a SAAS solution for other centers as well.

    $544 (Avg Bid)
    $544 平均报价
    23 个竞标

    Hi there - Im looking for someone that can do a professional and striking Teachable or Thinkific home page. It needs to be top notch and not an amateur job. Pls only apply if you are extremely proficient in Teachable or Thinkific and have sample jobs of previous work that you can show me. many thanks

    $104 (Avg Bid)
    $104 平均报价
    24 个竞标

    Past Exam papers website is needed - The website should be in PHP or a better choice - All the files uploaded to the website should be indexed by search engines like for sure google - The script should be able to generate XML-site maps for that purpose - The files are in PDF, Mp3, Jpg, Png etc .... format and they will be located on the same server of the script and they are about (120 GB) (150K + files) - There should be a way not to include all the 150K files in the database for easy server migrations - There should be places to show Adsense ads Example websites for references : I have a previous non-complete script that was made before, just send me a message and I will send it to you

    $1206 (Avg Bid)
    $1206 平均报价
    58 个竞标

    Help me to customize the css/html text selection so that it fit a variable line-height: like it's shown in those images.

    $27 (Avg Bid)
    $27 平均报价
    29 个竞标

    Somos una startup de tecnologia con sede en centro america y sudamerica. Buscamos programadores en node.js / react.js + Por favor leer detenidamente antes de aplicar: - Conocimiento en Node.js, React.js y - Javascript - Hablar idioma espanol - Disponibilidad de tiempo. - Trabajamos en 2 esquimas contrato por hora trabajas o por proyecto. - Git - Metodologia SCRUM. - Reuniones diarias o semanales

    $450 (Avg Bid)
    $450 平均报价
    35 个竞标
    Add a web Page 6 天 left
    已验证

    i need to list my stores in a page , customer can select the store and click , each store has link to its ownn website

    $381 (Avg Bid)
    $381 平均报价
    74 个竞标

    I need someone to look over my code and help with an issue I'm having. Need to have experience in

    $25 (Avg Bid)
    $25 平均报价
    9 个竞标

    This is what my company want: a prototype where a user open an account on the web, has the ability to create "content blocks" (for example lets say 5 small bullets each representing some project they have worked on). Then I want the ability for the user to create a DOCUMENT and select only the blocks he or she wants to include by check marking the specific items out of the 5 items. The user would also be able to determine which ORDER the items would appear on the document. The end result would be a document that you can view online and convert/save as either pdf or word. I am just looking for prototype/Proof Of Concept. Probably need someone with some web DEVELOPMENT skills.

    $441 (Avg Bid)
    $441 平均报价
    25 个竞标

    Need pop up in chat section of my app build in React Native, JS and backend on firebase

    $43 (Avg Bid)
    $43 平均报价
    3 个竞标
    React Native Expert Developer 6 天 left
    已验证

    I need an expert react native developer who can make a spin wheel like the video attached. please only bid if you can do it. Has to be rotated with finger clockwise or anticlock wise. The wheel could be an image or d3 chart. based on rotation we need to get what is on the top.

    $200 (Avg Bid)
    $200 平均报价
    12 个竞标

    Hello, This is what I want: a prototype where a user open an account on the web, has the ability to create "content blocks" (for example lets say 5 small bullets each representing some project they have worked on). Then I want the ability for the user to create a DOCUMENT and select only the blocks he or she wants to include by check marking the specific items out of the 5 items. The user would also be able to determine which ORDER the items would appear on the document. The end result would be a document that you can view online and convert/save as either pdf or word. I am just looking for prototype/Proof Of Concept. Probably need someone with some web DEVELOPMENT skills.

    $423 (Avg Bid)
    $423 平均报价
    40 个竞标

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