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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    948 trabajados encontrados, precios en EUR

    Se precisa un frontend developer para el desarrollo de un panel web para los administradores de un determinado servicio. Conocimientos necesarios y obligatoriamente demostrables: - Desarrollo con Metronic (Admin Template) - Desarrollo de webapps o webs con llamadas a APIs. - Conocimiento en arquitectura de aplicaciones web - Código límpio El proyecto ya está diseñado ...

    €1228 (Avg Bid)
    €1228 Oferta Promedio
    13 ofertas
    Mejora de sitio web 5 días left
    VERIFICADO

    Mejorar algunos aspectos del maquetado de un proyecto web, aproximadamente 5 vistas, se necesita que se puedan arreglar algunos aspectos visuales usando JS, JQUERY Y HTML5

    €26 (Avg Bid)
    €26 Oferta Promedio
    21 ofertas

    Hola Busco alguien para un proyecto de una- plataforma turistica-para ofercer servicios personalizados a turistas! (idea ""casi"" clara, pero se puede mejorar con ayuda del elegido(a) NinjaTic! ¿Te consideras un excelente programadora entre otros con experiencia en PhP,HTML5, CSS, Javascript, No es necesaria experiencia laboral previa, pero sí buen nivel de progra...

    €70 (Avg Bid)
    €70 Oferta Promedio
    8 ofertas

    Necesito averiguar el proveedor de pago que usan unas determinadas webs: Básicamente el trabajo consiste en analizar el codigo de las webs, para saber con que payment solution trabajan. Preguntar las webs por privado

    €9 / hr (Avg Bid)
    €9 / hr Oferta Promedio
    12 ofertas

    Necesito un desarrollador que integre la API de Dialogflow con un front estilo chat.

    €128 (Avg Bid)
    €128 Oferta Promedio
    5 ofertas

    Para un proyecto estable a largo plazo buscamos programador Ruby. Conocimientos de Ruby on Rails y Javacript son preferibles.

    €16 / hr (Avg Bid)
    €16 / hr Oferta Promedio
    8 ofertas

    Necesito buclue con javascript el cual los acomode automaticamente, para crear un marco de foto

    €102 (Avg Bid)
    €102 Oferta Promedio
    13 ofertas

    Trabaje desde casa. Estamos requiriendo Maquetador Web para trabajar desde casa de manera fija, no por proyecto. Conocimientos HTML, CSS, JAVASCRIPT:, XML, jQUERY, Wordpress. Salario: Mensual en dólares Horario Lunes a viernes Requisitos; Internet, Computadora con buen procesador.

    €212 (Avg Bid)
    €212 Oferta Promedio
    34 ofertas
    FRONT-END CUIDEO 3 días left

    OFERTA - FULL STACK DEVELOPER PARA STARTUP CUIDEO Buscamos full stack developer para trabajar en Cuideo, Startup de éxito dedicada al cuidado de mayores y con gran proyección de crecimiento. Ofrecemos trabajo full time en oficinas de Barcelona (22@). Se incorporaría en nuestro equipo de IT con buen clima laboral, innovador y dinámico. Horario flexible con posibilidades...

    €16 / hr (Avg Bid)
    €16 / hr Oferta Promedio
    18 ofertas

    Tengo un sistema web desarrollada en ASP clasico, y corriendo en IIS, el desarrollo incluyo Javascript y JQuery, Bootstrap y Ajax, el sistema envia un correo a los administradores cuando un evento de interes se produce, deseo reemplazar el envio de estos correos por notificaciones de Whatsapp, si alguien ya lo tiene desarrollado en ASP o Javascript le puedo comprar una copia de inmediato

    €17 (Avg Bid)
    €17 Oferta Promedio
    3 ofertas

    Necesito adaptar una plantilla gratuita HTML5 a un sistema de turnos: el programa está en cobol y necesito la parte de diseño. Son dos pantallas para regoger datos del usuario, tres pantallas para los ABM de agenda, médicos y especialidades y un informe de turnos. También necesito que me cotice la carga de datos, aproximadamente unos 20 médicos y agenda 80 aprox...

    €457 (Avg Bid)
    €457 Oferta Promedio
    13 ofertas
    NECESITO IMPLEMENTAR API 2 días left
    VERIFICADO

    Hola necesito implementar esta API: [iniciar sesión para ver URL]

    €161 (Avg Bid)
    €161 Oferta Promedio
    14 ofertas

    Estoy buscando desarrollador con experiencia en MediaWiki ([iniciar sesión para ver URL]) para mejorar y optimizar el frontend de una Wiki ya en funcionamiento a la que se le ha actualizado la versión pero que al hacerlo todo el frontend se modificó

    €9 / hr (Avg Bid)
    €9 / hr Oferta Promedio
    6 ofertas
    hacer una web 1 día left
    VERIFICADO

    construir una web sencilla, y consumir datos de una API

    €174 (Avg Bid)
    €174 Oferta Promedio
    35 ofertas

    Un aplicacion web que a partir de una fecha-tipo de dato, seleccion uno de multiples archivos con datos CSV (fecha, hora, valor) en un equipo con windows 10, que debe cargarse a un servidor linux donde corre mysql y que ademas es el servidor web, para graficarlo via aplicacion web.

    €137 (Avg Bid)
    €137 Oferta Promedio
    9 ofertas

    I need a program that automatically bets what certain tipsters send with the parameters that they mark. Necesito un programa que apueste automaticamente lo que mandan ciertos tipsters con los parametros que le marque.

    €155 (Avg Bid)
    €155 Oferta Promedio
    4 ofertas

    Programador que sepa crear un sistema de micropagos sms para proyecto de loteria online

    €874 (Avg Bid)
    €874 Oferta Promedio
    9 ofertas
    Tienda Good 12h left

    Deseo construir una cross app preferiblemente usando el framework react, que usando una API de nuestra aplicación escrita en php permita a sus usuarios registrarse, loguearse en el sistema, ver listados y obtener productos. somos una compañia de desarrollo de software en colombia y estamos explorando soluciones con freelance´s

    €462 (Avg Bid)
    €462 Oferta Promedio
    15 ofertas

    Ahora contamos con una app en node.js. Deseamos que los usuarios puedan abrir los documentos que tienen en nuestra app, en Word y enviar de regreso dicho documento editado. Para ello, el programador deberá tener experiencia en Autenticación Oauth2 de Add-Ins para obtener y enviar información a través del API.

    €16 / hr (Avg Bid)
    Destacado
    €16 / hr Oferta Promedio
    11 ofertas
    Deploy Node+Koa app to Heroku 6 días left
    VERIFICADO

    I am looking for an expert node backend developer with great experience with [iniciar sesión para ver URL] and Heroku deployment. It shows this error: "Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 60 seconds of launch" Please apply only if you have fixed this kind of issue before. Thanks

    €13 - €13
    €13 - €13
    0 ofertas
    Java programming 6 días left
    VERIFICADO

    Java programmer needed for a urgent job

    €140 (Avg Bid)
    €140 Oferta Promedio
    19 ofertas

    Hello, I need to add to the plugin UPS Xadapter for woocommerce the Access Point locator in a map. To helps you, I give you a second plugin UPS who already has the integration of the Access Point map, I think you can use it to integrate at the Xadapter UPS Plugin. I need to integrate at this plugin the map for these shipping method : - UPS Access Point Economy(already integrated but it not displ...

    €184 (Avg Bid)
    €184 Oferta Promedio
    5 ofertas

    I have a project of a portal and need a UI designer to design the frontend. Most of the project is pretty straightforward. The document provided should make it clear. Reply only if you have understood the job.

    €96 (Avg Bid)
    €96 Oferta Promedio
    12 ofertas
    Small ERP System 6 días left

    I want build small ERP System where I can manage system

    €350 (Avg Bid)
    €350 Oferta Promedio
    26 ofertas

    We have a number of D3.js charts that we want created so that we can use them in our application. We need them to be animated well, but also easily customizable (with css) and easy to feed an array of data and settings options into (e.g. labels, values, switching axes, other stuff on & off). We have some existing prototypes for some of the charts, but need lots more created from scratch. Wil...

    €13 / hr (Avg Bid)
    Destacado
    €13 / hr Oferta Promedio
    11 ofertas

    We are a company in the IT field and we are looking for new developers that could join us. I'm looking for only for resources that could guarantee our own internal process, designed and tested in years to provide quality and engineered approach to our projects. Required skills are: - Fluent English - React - Redux - Redux-Saga - ES2016 - Lodash - Html, Css, Js In order to get the job you ne...

    €10 / hr (Avg Bid)
    €10 / hr Oferta Promedio
    22 ofertas

    We require an experienced blockchain developer experienced in writing smart contracts for EOS based tokens. Ideally you understand how to code conditions for security like tokens such as dividends, voting and rewards. We need smart contracts coded for client ICOs and you need to be able to rapidly identify key requirements, information needed and time to develop the code. Please provide some e...

    €2428 (Avg Bid)
    €2428 Oferta Promedio
    16 ofertas
    React js and mongo db 6 días left
    VERIFICADO

    Creating a react page using a mongodb

    €132 (Avg Bid)
    €132 Oferta Promedio
    42 ofertas
    Developer Educational site 6 días left
    VERIFICADO

    I am looking for professional web developers / designers to build our education website

    €1138 (Avg Bid)
    €1138 Oferta Promedio
    148 ofertas
    Add two links to a php page 6 días left
    VERIFICADO

    Hello! I need to add a link to a php page and one to another Thanks

    €18 (Avg Bid)
    €18 Oferta Promedio
    68 ofertas

    I have Wordpress website which is about Event hosting. Currently we are creating posts for each event manually which is very tough. Need a Wordpress expert who can automate this process. The API is already there which returns details for event in JSON. Please make bid only if you can do this. Thank you.

    €17 / hr (Avg Bid)
    €17 / hr Oferta Promedio
    66 ofertas
    Who can create a simple php form 6 días left
    VERIFICADO

    I am looking for a developer, who can develope a survey form. It should be a "multiple steps form". How it should work: Once the user fills all the data and complete the form, the results would be showed. The results would be based on Points that the user would gain by filling the survey form. The Pai Chart diagram shows how many point that a user gain and with the help of the gained ...

    €25 (Avg Bid)
    €25 Oferta Promedio
    32 ofertas
    Animated Cupid Preloader 6 días left
    VERIFICADO

    I have an image which I want animated as a preloader. The image is a heart with wings (Cupid) and I want the wings to flap if possible but if not I want your ideas on what can be possible. A draft of the image is attached.

    €107 (Avg Bid)
    €107 Oferta Promedio
    19 ofertas

    Looking for READY MADE GST Inventory Script. Please send demo URL before quoting.

    €14 (Avg Bid)
    €14 Oferta Promedio
    2 ofertas

    We died a thousand that store return items a week is so time-consuming to list them all over and over and over again for every site we want to put them on we want to be able to easily scan the barcode that would then generate a file for that item then the app would open the camera and the user would take photos of the item then after photos are done we could open up a page for notes on condition o...

    €10 / hr (Avg Bid)
    €10 / hr Oferta Promedio
    20 ofertas
    Improve a leaflet plugin 6 días left
    VERIFICADO

    Improve the plugin [iniciar sesión para ver URL]: add an input textarea field in the form in the right sidebar (above the other fields) to fill the popup of a marker (see an example as demo on the home page of [iniciar sesión para ver URL]). This is not a j-query job, but a pure js. You have to add a form element, like [iniciar sesión para ver URL], and to minify the js for di...

    €26 (Avg Bid)
    €26 Oferta Promedio
    3 ofertas

    we need someone experienced to integrate Hipay payment solution in opencart 3.0.2.0 as a custom plugin. onlyexperienced opencart programers!

    €160 (Avg Bid)
    €160 Oferta Promedio
    30 ofertas

    I want affiliate market with comparison product website for India brands. My requirement in doc file please download and read it then bid. Don't bid without reading my requirement. Important: do not try to cheat me. do not give me any third-party script from purchase anywhere.

    €11076 (Avg Bid)
    €11076 Oferta Promedio
    21 ofertas

    I need to build a spinning roulette wheel using React and HTML Canvas. - It should be its own component - It should be connected to a reducer using redux-thunk - It should start spinning and show the result reducer gets the number

    €41 (Avg Bid)
    €41 Oferta Promedio
    10 ofertas

    I need a bot that is capable of forwarding telegram messages to a custom group/channel where I can add another custom bot to work with those messages. My requirements are basically the same link in - https://www.freelancer.com/projects/php/bot-auto-forward-telegram-messages/ - Meaning: 1. I want all posts to be forwarded to my own channel instantly at same time. 2. I am not admin in the origin...

    €198 (Avg Bid)
    €198 Oferta Promedio
    15 ofertas

    We need module for magento 2 web shop, scan, qr code reader for magento 2. Also need simple app for android, to use mobile camera as scanner.

    €367 (Avg Bid)
    €367 Oferta Promedio
    22 ofertas
    Need to optimize Load time 6 días left
    VERIFICADO

    Need to optimize load time of the site and google crawling issues for [iniciar sesión para ver URL]

    €78 (Avg Bid)
    €78 Oferta Promedio
    19 ofertas
    Need react JS Developer 6 días left
    VERIFICADO

    Need React developer who can work on ecommerce IOS and Android App. Paid Hourly Basis.

    €20 (Avg Bid)
    €20 Oferta Promedio
    3 ofertas

    I want to do some work online meaning to sing up on some sites but I don't have the necessary information or paper they need . I want someone to help me with it to skip some required steps and skip some required information the guy must have very good knowledge on java scrpit and asp.net 5 or what ever he need to . the point here is that the guy have good knowledge of hacking sites cause this...

    €23 (Avg Bid)
    €23 Oferta Promedio
    4 ofertas

    I am working on a Reactnative Project with Reactnativeweb included. I need a small help to solve the Error in the Android App.

    €25 (Avg Bid)
    €25 Oferta Promedio
    4 ofertas
    Place order Chatbot 6 días left
    VERIFICADO

    Want to build a chatbot that can ask customers for the product they want to buy, their name, address and phone number and then confirm their order and push the order via API or webhook to our site.

    €316 (Avg Bid)
    €316 Oferta Promedio
    14 ofertas

    ** This job is about designing a mechanism to solve a single technical problem, not developing an entire app. Please read the spec below carefully.** I'm working on a project that will mainly run in mobile browsers. I want to detect whether a user leaves the web page (i.e. go back to home screen, switch to other apps or switch to another browser tab). The problem is that I cannot find a way ...

    €761 (Avg Bid)
    €761 Oferta Promedio
    13 ofertas
    Multi-Modality Image Annotator 6 días left
    VERIFICADO

    Budget: 100$ Our project is a research project with a goal to deliver a complete web-based medical imaging platform. We are using a similar source like prototype-cornerstone [1, 2] as a tool to display Medical Images (DICOM) from a DICOM Server [3, 6]. At the moment, our system composes a DICOM Server that serves and manages DICOM Images as a PACS. On the other hand, we have a prototype-cornerst...

    €132 (Avg Bid)
    €132 Oferta Promedio
    10 ofertas

    I have an existing website [iniciar sesión para ver URL] which needs updating with: 1. Scrolling text on 5x home pages. Each with a different message. (Java script) . Existing scrolling text isn't working properly. 2. 2x YouTube videos linking 3. Contact form connecting to our email info@[iniciar sesión para ver URL] 4. Amend website so we can manage the cms Once these tasks ar...

    €153 (Avg Bid)
    €153 Oferta Promedio
    89 ofertas
    Multi-Classifier System 6 días left
    VERIFICADO

    Budget: 100$ Our project is a research project with a goal to deliver a complete web-based medical imaging platform. We are using a similar source like prototype-cornerstone [1, 2] as a tool to display Medical Images (DICOM) from a DICOM Server [3, 6]. At the moment, our system composes a DICOM Server that serves and manages DICOM Images as a PACS. On the other hand, we have a prototype-cornerst...

    €124 (Avg Bid)
    €124 Oferta Promedio
    16 ofertas

    Principales artículos de la comunidad Javascript