JavaScript Jobs
JavaScript is one of the most popular programming languages in the world. If you are looking for a website to be created with sophisticated interactivity or in search of an impressive mobile app, using JavaScript is the way to go. With the help of our expert Javascript Developers, you can bring your idea to life.
A Javascript developer on Freelancer.com can create dynamic web applications with extended features and improved user experiences. They can also design advanced gaming applications, develop cloud applications, and create powerful websites that work with less coding and low complexity.
Here's some projects that our expert Javascript Developers made real:
- Developed interactive websites & apps with detailed user accounts experience
- Created powerful applications that streamline complex data into actionable insights
- Built custom Windows and Mac software designed to fit client specifications
- Developed mobile apps that enables customers to access data from their phones
- Connected databases to web interfaces with easy input/output functionality
- Optimized existing code for faster loading pages and smoother user workflows
Javascript Developers on Freelancer.com know how to turn ideas into reality. They are experienced professionals dedicated to excellence and creating top-notch scripts that are easy to use, reliable and fast. If you have an idea but don’t know how to turn it into technical reality, Freelancer.com is the place to post your project. Hire our expert Javascript developers today!
De 693,565 opiniones, los clientes califican nuestro Javascript Developers 4.86 de un total de 5 estrellas.Contratar a Javascript Developers
Finalizacion de aplicacion de encuestas y cruds de datos de ingrseso de personas elproyecto se encuentra a un 80%
Buscamos un programador que sea capaz de programar un pine script para trading view y meta trader 5, el cual ejecute ordenes de compra/venta de shorts y longs con unas determinadas especificaciones.
Se requiere Programador para crear un plugins para factura electrónica Colombia. PHP facturascript. El plugins debe contar con las siguientes caracteristicas: Ajustable Generar codigo QR Generar codigo cufe Direccion del Interactuar con la plataforma de la dian, segun Anexo tecnico: Anexo imagen de campos obligatorios sugeridos.
Necesito implementar bien sea una Api de easy invoice o un app script de google que no dependa de alguna hoja de cálculo como tal. Un generador de factura como la adjuntada. En la plataforma de thunkable. Solo sería un botón que junto con el componente Api Web genere la URL para la descarga en .PDF para posteriormente compartir. Podrían usar el ejemplo de este link para la estructura de datos.
Este es mi sitio web , es un tema comprado y personalizado. Quiero hacer lo mismo, pero no en wordpress, quiero mejorar el diseño,esta es mi competencia
Estamos buscando para empresa IT sumar al equipo alguien con las siguientes caracteristicas: Experiencia comprobable en Django, PostergreSQL, Mongo y Api Restful (min. 2 años) Proactividad y ganas de incursionar en nuevos proyectos Disponibilidad para trabajar 40 hs semanales a largo plazo (horario flex) Habla hispana (sin excepcion) Ofrecemos: Salario mensual en dólares (a coordinar) + bonus extras por rendimientos Contrato indeterminado para asegurar la transparencia del trabajo y continuidad Horario flex En caso de que te interese y poseas la experiencia detallada, envianos tu CV
Mejorar y finalizar un MVP the una plataforma web hecha en ReactJs, usa API simples
DAO con el estándar ERC721 Votes que me permite usar como poder de voto los NFTs de una colección. ¿Qué necesito? - Contratos en solidity que conforman la DAO (No necesito el contrato del NFT, porque este ya está creado, solo necesito poder usarlo en dicha DAO mediante una variable que sea _token y que se inyecte al desplegar el contrato en la red de Polygon) - Necesito los métodos públicos para interactuar con dicho contrato en javascript (mi app está escrita en React) con una pequeña descripción de los parámetros de entrada de dichas funciones.
Título del proyecto: "Página principal de una EdTech - Desarrollo en ReactJS y TailwindCSS" Descripción: Buscamos un talentoso desarrollador frontend para crear la página principal de nuestro innovador proyecto EdTech. El objetivo es diseñar una interfaz atractiva y funcional que atraiga y retenga a los usuarios. La página debe ser mobile responsive y estar desarrollada utilizando ReactJS y TailwindCSS, siguiendo las mejores prácticas y estándares de la industria. Requisitos del proyecto: Diseño visualmente atractivo e intuitivo Desarrollo utilizando ReactJS y TailwindCSS Implementación de mobile responsive design Optimización de carga y rendimiento Entrega en un plazo de 2 semanas Por favor, incluya...
TENGO COMO PROYECTO DE UNIVERSIDAD DIGITALIZAR UNAS GRAFICAS UTILIZANDO CHARTJS, del crecimiento de los niños
Necesito un experto en WordPress que pueda ayudarme a crear un formulario de selección de automóviles para mi sitio web. El formulario debe tener campos de selección para marca, modelo, versión y año, y debe mostrar u ocultar campos adicionales según las selecciones del usuario (campos condicionales). Además, necesito que el formulario capture datos de contacto de la persona que llegue a mi landing page, como por ejemplo nombre, apellido, email y teléfono. La base de datos de los automóviles está almacenada en Google Sheets y contiene más de 500,000 variables, por lo que hay que tener en cuenta el procesamiento y la carga. Busco a alguien que tenga experiencia en la creación de formularios complejos utiliz...
Se requiere desarrollar un módulo Desarrollar un módulo para MercadoLibre para el monitoreo y gestión de las devoluciones y reclamos generados en MercadoLibre a través de consultas en la API de MercadoLibre. El código desarrollado (backend) lo integraremos a una herramienta (frontend) que ya tenemos. A) Devoluciones Requerimos tener un apartado (pestaña) para poder monitorear y dar seguimiento a los productos que estarán siendo devueltos. En donde nos muestre: - Número de venta. - Usuario (comprador). - SKU del producto. - Titulo de Producto. - Estado de la devolución. - Fecha de la devolución. - Motivo de la devolución. De esta manera podemos monitorear y estaremos al tanto de la devolución. B) Re...
Estamos buscando un programador backend con experiencia en PHP y JavaScript para un proyecto específico en nuestra tienda de regalos personalizados. Si la colaboración es exitosa, existe la posibilidad de trabajar juntos a largo plazo. El objetivo del proyecto es desarrollar un constructor de muñecos/personajes en tiempo real, similar a este ejemplo: El software resultante deberá integrarse en nuestro sitio web de WordPress. Requisitos: Experiencia en desarrollo backend con PHP y JavaScript Conocimientos en integración de soluciones personalizadas en WordPress Familiaridad con tecnologías frontend (HTML, CSS) es un plus Experiencia en el desarrollo de aplicaciones interactivas y en tiempo real Capacidad para trabajar de forma autónoma y ...
Terminar la versión desktop y mobile de un sitio web de 15 páginas. Es un sitio informativo, con pocas animaciones , deberá ser responsivo. Sitio hecho en Bootstrap5 Debe estar hecho en php, html5, js y css3,
Crear aplicación Web/Móviles para el mercado latinoamericano, trabajando en un horario de lunes a viernes de 8am a 5pm, vacaciones pagadas, e incentivos por buen desempeño. Se requiere que tenga experiencia creando API, WebService, y buen desempeño utilizando PHP, React, JavaScript para el BackEnd. Debe tener creatividad para diseño de FrontEnd, de preferencia HTML y CSS. Opcional manejar Flutter y conocimientos de Angular. Importante que tenga experiencia con el manejo de SQL Server y conocimientos medios de PostgreSQL.
El archivo adjunto contiene la información general del proyecto planteado. Quiero cotizar el precio del desarrollo de todo el proyecto, junto con un aproximado de cuánto se demoraría en desarrollar.
Necesito implementar algunas opciones para Singular Live
Hola, para iniciar por favor escribe la respuesta de la pregunta al inicio de tu oferta. ¿Cuál es el número de el chavo? Estoy buscando una persona proactiva con experiencia en programación y WHM para trabajar en diferentes proyectos con la posibilidad de establecer un equipo para ofrecer otros servicios relacionados con el área. El postulante debe saber trabajar bajo ambiente Windows o Mac El puesto de trabajo es presencial con facilidades en el horario. El precio de la oferta es en base un mes de trabajo. Si la persona es diseñador gráfico o sabe algunos programas de diseño, es un plus. Nuevos en la plataforma de freelancer son bienvenidos. Buena Suerte!
Necesito programador que me pueda ayudar a terminar rapido una aplicacion de react native, cuento con trabajo continuo si se logra una relacion laboral exitosa.
I am looking for an experienced freelancer to assist with fixing a protege project. The timeline for the project is expected to last 3-5 days and I am looking for someone with intermediate level of expertise and minor bug fixing experience. This project is time-sensitive, so I`m looking for someone who is dedicated and ready to commit for the duration of the project and can deliver the project in the specified timeframe. Please contact me if you are interested in this project and think you are qualified for it. Thank you.
We´re trying to trigger the following mail flow using API. But we can´t make it. Does anybody know a solution for this? No code required. If you can explain the workflow it´s enough.
I mistakenly deleted the recent post, so posting again. Development of an on-call system which works on browsers. Please check the attached for details.
Look for european and russian freelancer to scrap simple data
Looking for an expert Shopify developer to analyze and assess a current portal being upgraded with various glitches - we request a consultation with our current IT team.
I HAVE SOME WORK TO BE DONE HMU IF YOU ARE GOOD IN C# AND JAVA SCRIPT
I need software developers who can build saas driving school scheduling software
I'm looking to develop a custom .net UI interface with Google Maps API integration and a payment . iwant a website or .net page ui interafce with google map api integrate in it. i want people will use it to know about there individual house area and dimensions and caluclate the property or house have to pay some fee for this The project will require development with HTML 5, .NET and JavaScript. I have a list of features that I would like incorporated into the project, and while I'm open to suggestions, I'm looking for someone who is knowledgeable in the above technologies and can bring my vision to life. The payment gateway integration is open, but I am open to both Stripe, PayPal and Authorize.Net. Help me turn this project into a reality!
I am looking for an experienced website developer to help create a website with the ultimate goal of opening Counterstrike Global Offensive (CS:GO) ‘cases’. This project requires a delicate balance between functionality and design, so I am especially interested in applicants who have expertise and experience in both. The ideal developer for this project should be proficient and have in-depth knowledge in HTML and C#. Additionally, they need to have a strong focus on making the design minimalistic. This includes implementing smooth animations and transitions, creating a unique logo, and adapting a preset theme. The website needs to have a range of features, such as a live chat functionality, a trade system for items, and bonuses for regular customers and referrals. Having...
I am looking forward to build a recaptcha and hcaptcha solver plugin from eitther firefox or from chrome browser. My Main requirement is it hsa to be solved within 4 sec. You can use any API or exisiting plugins avilable from the market.
Hello! I am looking for a Freelancer who can help me create an animated ‘add to cart’ using Vuejs in my existing Laravel project. The animation must enable smoother cart processing which means that it should help the users in adding products to their cart easily. I would need somebody to create a new design for the animation instead of integrating an existing one or animating my existing design. I need this project completed ASAP, so time is of the essence here. If you have the skills and can make it happen, please consider bidding on this project. Thanks!
I am looking for an experienced and talented full-stack web developer to help me with a MERN stack project. Specifically, I need a website created, with possible third party service integration, and I have specific design requirements that are already in place. The ideal candidate for this project should have experience working with the MERN stack (MongoDB, , React.js, Node.js), strong knowledge and experience with web development, and the ability to create smooth, creative designs. Additionally, knowledge in working with third-party services and a familiarity with existing design requirements is a must for this project. The project is a great opportunity to demonstrate your skills, creativity, and show off the website you have built. Please provide a portfolio of websites you have crea...
I'm looking for a freelancer to help me convert my web application from a Java Angular platform to C# .NET Core. I already have existing code and the current platform of the web application is Java. I'm looking for someone who has experience in both Java and C# .NET Core to provide the conversion. The conversion should include all aspects of the application, including the UI and any underlying architecture. All code must be clearly commented for later reference. Experience with both Angular and .NET Core is also invaluable, as I want the finished product to be as bug-free, modern and intuitive as possible. Please get in contact if you think you are the one to help me out with this project. The source of the project is on github , it is a open source code application
Hello, We are looking to hire Laravel developer need for my two project to finish. we are using Laravel template and we have done some customization that we have on old sever so that we want to migrate on updated version, and also some of feature need to add as well. You need to be very good with Laravel and Bootstrap. Thanks!
We are looking for a skilled web application developer to create a social media scheduling tool that will allow users to schedule posts on Facebook and Twitter. The tool should be able to handle hundreds of users and allow them to schedule posts in advance at specific times and dates.
Experience: 7+ Years Opening Remote Immediate Joiners Contract Basis Budget: 1.4Lpm Candidate should be able to demonstrate your ability to: Work independently and in teams of developers structured Web development process Research and analyze complex solutions and features Understand the impact of business priorities on technical outcomes Estimate effort and assess risk for solutions and tasks Jira, Figma, Adobe CC suite technical documentation Expert-level knowledge in: Development and data modeling using Microsoft .NET (Framework and Core) C# fundamentals, such as lambda expressions, anonymous types, and reflection Umbraco (7 and 10, ideally) architecture, configuration, content modeling/mapping, development, templating (namely, with Razor syntax) LINQ with an ORM ab...
we have a web game that some people use web scraps as a bot (control their chrome to do some stuff ) we need to define , block these people we can not use captcha at all , need other solutions
I am looking for a freelancer to help create custom plugins for my reservation page. The project requires modifying existing code and requires the plugin to have a premium look and feel. Specifically, I need help developing the plugin to work on WordPress. I have existing code that needs to be modified and I am looking for a freelancer to help bring this code up to my desired style. The desired theme or style is premium, and if possible, I am open to exploring other options. If you think you have what it takes to help me create a custom plugin for my reservation page, please apply!
I want to build a sport simulation web app. That must be good for mobile as well. Please write similar projects you have done before.
Por favor, regístrate o inicia sesión para ver los detalles.
Customize odoo15 to Send emails from all user accounts Include stamp on invoices at bottom
Hi, I'm a react native developer and I need help to integrate the react-native-vision-camera library to my project and make it work correctly.
Must Have Thorough Knowledge of this Software. Candidate will consult on the daily operations of the software and al its functionalities to allow client smoother clinic operations.
Hello there, Feature: 1. Upload Panel with progress bar - Support Upload multiple video/file (queue) 2. Uploaded video will auto convert to HLS - Support Queue encoding - Support Multi resolution 1080/720p/480p/360p - Support Enable/Disable quality, example: if 720p/480p/360p so i disable 1080p | if 480p/360p so i disable 1080p&720p - Support Change Video Bitrate, Video Framerate, Audio Channels, Audio Bitrate, Audio Sampling Rate, Speed Preset (example: veryfast/superfast). 3. Converted HLS -> store to object storage - Set Folder on bucket and store to that folder. 4. After completed, will generate embed link. Reference: - -
Bugs fix Fast load new order page on mobile devices Coinbase working but auto add funds bug Razorpay has all code but not working bug - filter select not working bug and fast loading like lazy load optimization All website speed optimization in mobile and desktop
I am building an website using react.JS and I can't find the reason of an error.
looking to integrate with dwolla to transfer funds from my bank account to 3 other bank accounts. should be built in php, the dollar amounts can change daily.
We are looking for a talented Chrome Extension Developer to create a bulk message sending extension with integration. The ideal candidate will have experience in developing Chrome extensions, working with the WhatsApp API, and knowledge of JavaScript, HTML, and CSS. The extension will have a simple and intuitive user interface that allows users to send messages to multiple contacts at once. The extension will have the following features: Send Button: The extension will have a send button that allows users to send messages to multiple contacts at once. Users will be able to select the contacts they want to send messages to from a list. List and Attachment Message: Users will be able to send both text and attachment messages, such as images and videos, to multiple contacts at once. Int...
Hello, I am looking for a developer who is experienced with Shopify public app development. The goal of the project is to create a public app that can be listed on Shopify market. I'll share the details with the shortlisted candidate. Thank you for your interest and I look forward to hearing from you soon. Thank you
Hello! I 'm going to open my website. Who can help me? You must buildthe website with react. please contact me.
I would like someone to design a very simple template of a form and mount in html/js for my flask app