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 694,206 opiniones, los clientes califican nuestro Javascript Developers 4.87 de un total de 5 estrellas.Contratar a Javascript Developers
Tenemos una serie de robots RPA ejecutándose en el entorno de nuestros clientes y un panel web desarrollado con Codeigniter, php, html y javascript. Necesitamos mostrar los reportes generados actualmente en excel por los robots, en el panel web para que nuestros clientes puedan hacer seguimiento y minimizar la manera en que se transmiten actualmente (emails + excel adjunto).
Crear un software muy simple y completamente igual a una muestra que doy
Especialista en dashboard Se requiere desarrollador frontend con experiencia en lenguaje Angular JS, Para proyecto de refactorizacion y desarrollo de algunas opciones, persona con experiencia comprobable y de concretar proyecto de 60 a 90 días con entregables de 50% y 50% se requiere una persona que cuente con conocimientos de api de consumo y conexión de socket, es importante contar con trabajos concluidos. Solo personas con idioma en español.
Necesito una web el cual pueda utilizar junto la conexion web3, necesito que tenga las siguientes caracteristicas: API para interactuar con smart contracts. API para leer y enviar informacion de/a la blockchain. Opcion de Login con correo electronico y wallet. Dashboard con parametros de historial de transaccion, coleccion de articulos, listado de productos en ventas. Foro con permisos de post con wallet conectada. ---------Diseño de la web---------- Responsive. Ambientado en un juego entre moderno y mediaval. Scroll realista. Animaciones de botones, imagenes, paneles y dashborad. Logo con animacion. Pantalla de carga de loading con formato del logo, con diselo que se va rellenando el logo a medida que va cargando la web.
Hola! Me interesa crear un plug-in de Wordpress Que se conecte a nuestra API del sistema de reservaciones multiempresa (ejemplo: ). Desplegar en su página de Wordpress nuestro motor realizado en ASP.Net.
Tenemos un proyecto de aproximadamente un mes y medio para BackEnd y FrontEnd en Angular. Necesitamos que sepan reutilización de componentes, código limpio ddd, deseable solid.
Se pretende desarrollar una plataforma para llevar el control de votantes, lideres y demas de campañas politicas. se pretende tener formularios con georeferenciacion y modulo estadistico.
El objetivo: tomar automáticamente capturas de pantalla de páginas web, convertir el formato de archivo y resaltar áreas específicas de las imágenes. El código debe estar SECO y estar escrito en módulos autónomos. Qué le podemos ofrecer -------------------------- 1. Oportunidades para trabajar con clientes externos famosos (p. ej., Disney, Ernst & Young, Credit Suisse) Puede elegir el contrato que funcione para usted sin política, estrés o drama. Gestionamos todo eso por ti. 2. Múltiples oportunidades de proyectos internos Conviértase en nuestro proveedor preferido a largo plazo. Le ofrecemos proyectos que coinciden con su conjunto de habilidades e intereses. 3. Gran ambiente de trabajo Sea b...
Qué le podemos ofrecer -------------------------- 1. Oportunidades para trabajar con clientes externos famosos (p. ej., Disney, Ernst & Young, Credit Suisse) Puede elegir el contrato que funcione para usted sin política, estrés o drama. Gestionamos todo eso por ti. 2. Múltiples oportunidades de proyectos internos Conviértase en nuestro proveedor preferido a largo plazo. Le ofrecemos proyectos que coinciden con su conjunto de habilidades e intereses. 3. Gran ambiente de trabajo Sea bienvenido a nuestro entorno familiar, feliz, solidario y servicial (lea nuestras reseñas de Upwork) . 4. ¡Bonos! Valoramos a las grandes personas. Premiamos financieramente a las personas por su confianza, lealtad, calidad de trabajo y proactividad a trav...
Busco programador junior que pueda apoyarme con desarrollo en vue react y express
Requerimos un ingeniero que desarrolle un Dashboard para nuestro aplicativo responsive. Detalles específicos: -Se requiere experiencia con PHP. JavaScript, Bootstrap con MySQL. -Tener un portafolio de proyectos con relación al front enfocado a Dashboard de una app. - Idioma: Español
Busco un desarrollador react js a jornada completa para web
Quiero setting de Zapier para integrar Video de Youtube a Instagram y Tiktok
Tengo un proyecto en angular, y quisiera que me puedan ayudar realizar la siguiente tabla para n columnas que esta alineada perfectamente con la columna padre. Como se ve a continuación y tambien quisiera una tabla con n niveles que se pueda abrir para abajo, por ejemplo aqui hay dos ejemplos con 1, 2 y 3 niveles .
Desarrollar un software que lea registros de información sobre acceso a páginas web.
Necesitamos crear un modelo que permitan detectar/ identificar elementos de un sitio web y que los clasifique en 3 categorías (Botones, Banners y formularios). De este modo a cada elemento detectado se debería asignarle 3 etiquetas: el texto del elemento, el tipo de elemento y la ubicación del elemento. Para ello debería ideal es habilitar un espacio web donde subir las imágenes y recibir un documento en formato JSON con el etiquetado resultante, la ubicación del elemento y el recorte de este. El output del modelo debe ser las imágenes con el elemento identificado en un repositorio y adicionalmente una base de datos donde se tengan los links de las imágenes y los parámetros que se identificaron en el modelo.
Necesito a alguien que pueda realizar ingeniería inversa en un binario de Golang con el fin de depurar y optimizar. Aunque tengo documentación parcial, no tengo el código fuente. Las habilidades y experiencia ideales para este proyecto incluyen: - Experiencia en Golang - Conocimiento avanzado de herramientas y técnicas de ingeniería inversa. - Experiencia en depuración y optimización de binarios. - Familiaridad con documentación parcial e ingeniería inversa sin acceso al código fuente.
We are an existing business seeking an Adobe Livecycle developer with experience in form design and development. Our project requires moderate customization with specific fields. The ideal candidate will have expertise in Adobe Livecycle's form design capabilities and be able to design and develop customized forms tailored to our business needs. In addition, we require someone who can collaborate with our team to ensure document security and encryption is implemented correctly. We need to correct the xml generated by one of the buttons JS scripts present in our form.
I need a script that will allow me to book golf tee times at my home golf course. Tee sheet becomes available 8 days in advance of the date you are booking.
Looking for a React JS trainer who can help me get started with the fundamentals and basics of the technology. As a beginner, I am keen to learn about the following topics: - Introduction to React JS - JSX Syntax and expressions - React Component and its lifecycle - State and Props Management - Authentication - REST API CALL I would prefer live sessions for the training, where the trainer can explain the concepts and help me with any queries that I may have. Ideal skills and experience for the job: - Proven experience in React JS development - Strong knowledge of React JS fundamentals and basics - Excellent communication and teaching skills - Ability to conduct live training sessions and answer queries.
I am looking for a freelancer to develop a web-based standalone security software for my company. The software should include specific security features such require the software to have mobile number location tracking capabilities that uses signal towers to pin point location of a cell phone numbers in south africa. The software should be a standalone system and not require integration with any existing security systems. The ideal candidate should have experience in developing web-based security software and be able to deliver a high-quality product within the given timeframe. The security system should also have an internal ptp online like digital walkie talkie between devies via webbase like cloud calling
I am looking for a skilled developer to create a one-page WordPress website for me. I have a specific design in mind for the website and the primary purpose is to provide informative content. Furthermore, I am looking to include features such as contact forms and newsletter sign-up forms. I expect the developer to be knowledgeable and experienced in developing WordPress websites. Experience in designing and customizing WordPress themes is required. Furthermore, a proficiency in HTML, CSS, and JavaScript would be advantageous. If you are the right fit for this project, please get in touch! Reference template -
Hello! I am looking for someone to create a Discord bot that awards users with points for correct answers. The bot will ask users to input a 4-digit code that is given by a mobile game. For a correct answer, the user will be awarded 1 point. If the user gets it wrong, there is a penalty: they cannot try again until the mobile game will grant another code upon completing a few tasks. The points that are granted by the code should be stored somehow (I don't know if it's possible to achieve that within Discord). Please let me know if this is something you can do and we can discuss further details. Thanks!
THE MAXIMUM BUDGET IS $100, PLEASE BID WITH YOUR EXACT BUDGET, WITH NO PLACEHOLDERS!!! I need a node.js network application that will provide REST APIs for users. The network will have 3 user types; platform, company, and subscriber. Using the REST API, a platform interacts directly with the network, while a company and subscriber interact with the network through the platform. HERE'S THE DOC: HERE'S THE VIDEO:
We are seeking an intermediate React & Node developer to work part-time on existing projects. The ideal candidate should have experience working with both front-end and back-end development, as well as knowledge of modern web development frameworks and libraries. Skills and experience required: - Proficiency in React and Node - Familiarity with modern web development frameworks and libraries - Experience working on existing projects - Strong problem-solving skills - Ability to work independently and part-time The developer will be expected to work less than 10 hours per week and will be responsible for maintaining and updating existing projects. The project will be ongoing and long-term, making it ideal for someone looking for part-time work.
i try to run command: npm run serve then i get the error: > precitec@2.0.4 serve > vue-cli-service serve --mode serveweb node:internal/modules/cjs/loader:1078 throw err; ^ Error: Cannot find module '@storybook/core/server' Require stack: - node_modulesvue-cli-plugin-storybooklib - node_modules@vuecli-servicelib - node_modules@vuecli-servicebin at Module._resolveFilename (node:internal/modules/cjs/loader:1075:15) at Module._load (node:internal/modules/cjs/loader:920:27) at (node:internal/modules/cjs/loader:1141:19) at require (node:internal/modules/cjs/helpers:110:18) at Object.<anonymous> (node_modulesvue-cli-plugin-storybooklib:16) at Module._compile (node:internal/modules/cjs/loader:1254:14) at Module._extensi...
I am in need of a Chrome extension that can assist me in automatically capturing the links of TikTok videos within a profile. Additionally, I would like the extension to record the number of comments for each video and store this information in a google excel sheet. To achieve this, I would like the total number of comments to be divided by 4 and the resulting value placed next to the corresponding video link in a Google sheet. Ideally, the extension should have the functionality to be toggled on or off, as there are instances when I only wish to view videos without capturing any data. It is important to note that duplicate entries should be avoided. To provide clarity, I have attached a sample that showcases the manual process I currently undertake. In the example, if a TikTok video ha...
I am currently having a website built and the developer has asked that a widget is created to be included in the site. It is an unfair dismissal calculator so that people can input specific information and the calculator gives them a figure at the end. That is the only element which is needed in this job. Please do not produce a quote and then increase it later, as I shall note this and will not use your business in future. A fair price is fine.
Project Brief: Website Development and Design Enhancement *** Update - We require a Mockup Home Page Today To Award The Job *** Introduction: We are seeking a skilled developer with expertise in Astro sites, HTML, CSS, and JavaScript to transform our existing test site onto a new design template. The objective is to merge the content and images from our current test site with the design template provided in the link below, resulting in a visually appealing and functional website that aligns with our brand guidelines. This project offers an opportunity for ongoing collaboration if executed successfully. Scope of Work: Familiarisation with Astro Sites: The chosen developer must be familiar with Astro sites, as our existing website is being built using this platform. Understanding Astro...
Looking for a talented Brazilian developer with expertise in Iugu api integration using pix. you should make node backend by your test account. I need to an expert. If you can help me, plz bid here.
About Us Hiver offers teams the simplest way to offer outstanding, personalized customer service. As a customer service solution built on Gmail, Hiver is intuitive, super easy to learn, and delightful to use. Hiver is used by thousands of teams at some of the best-known companies in the world to provide attentive, empathetic and human service to their customers at scale. We’re a top-rated product on G2, and rank very highly on customer satisfaction. We’re profitably run and are backed by notable investors. K1 Capital led our most recent round of $22 million. At Hiver, we obsess about being world-class at everything we do. Our product is loved by our customers, our content engages a very wide audience, our customer service is one of the highest rated in the industry, and our s...
I have a window cleaning website. I am looking for this function for my website. 1. customer fill in some details (For example: Type of services, how many bedroom, type of windows, Name, phone, email, address etc...) 2. A customize quote will be shown instantly to the customer through the webpage. 3. It will also trigger and send an email to the customer with PDF quote + a customise email content to the customer. There are a few websites I came through which they got this function. I am happy to send through links on request or if you already know what I am after, feel free to ask questions.
*Need a web-application software for pre-employment background check automation
I have created an app which uses Mongodb - database , authentication - session based, react - frontend , node js (express js) - backend , web socket - real time location tracking, Image store - local hhd Can you host in and make it live?
You need to know ELEMENTOR I have a text link on my website, and I don't know elementor. I just need to change the link that the text directs users to. If you go to: Then click on the menu button in the top right. Then look at the 'VIDEOS' text link. I just need to change it to link to a different page. If you know Elementor, it should take you two minutes. I can't figure it out. So I know your response is not automated, please write LINK at the top of your bid.
I am in need of a skilled developer who can optimize the speed of my two WordPress websites. The goal is to increase the loading time to under 2 seconds without changing any layout or design elements. Ideal skills and experience for this project include: - Extensive experience with WordPress website optimization - Knowledge of website speed testing tools - Familiarity with various optimization techniques such as image compression, minification, and caching - Ability to identify and resolve any potential speed issues I am looking for a developer who can provide recommendations and implement the necessary changes to achieve the desired loading time. The successful candidate must be able to work efficiently and effectively to ensure minimal disruption to the websites.
I am looking for a custom software which enables me to easily sign up for an Academic exam online. The website which will be used for signing up for the exam is , and will require logging in to my account once the exam term is available. Security for my login credentials and personal information is very important, so I need to make sure this application has secure protocols in place. Additionally, I would like the ability to have automatic notifications, calendar integration, and exam preparation resources within the application, as well as randomized behavior and delays to simulate humanlike interaction. If you are knowledgeable in software and programming and would be able to design an application with the listed features and protocols in place, please contact me as soon as possible. Y...
I am in need of a full stack developer for a short-term project. The ideal candidate should have intermediate level of experience and be proficient in Vue JS and Laravel framework. The project is expected to be completed in less than 1 month. The developer should have experience in the following areas: - Laravel framework - PHP - VueJS - MySQL - HTML/CSS - JavaScript/jQuery The project involves working on an ongoing project for a web application including integrating the frontend with the backend APIs and database MySQL. The developer should be able to work independently and have good command over both front end and backend.
I'm looking for a freelancer who can help me with an issue I'm having with Gravity Forms and Swup JS. Currently, I'm using version 5.0 or higher of Gravity Forms and the issue is related to form display. The issue is likely due to a conflict between the two. We need to ensure we re-initialize Gravity Forms after SWUP content replaced. Ideal skills and experience for this project include: - Proficiency in Gravity Forms and Swup JS - Experience troubleshooting conflicts between different plugins and scripts - Strong attention to detail to identify the root cause of the issue - Ability to provide clear and concise communication throughout the project.
I am looking for a Shopify developer with 5+ years of experience to help me with customizations for my Shopify store. I am open to both design/layout and functionality/features customizations. My budget is flexible and will be discussed further with the selected freelancer. The timeline for the project completion is also flexible and can be discussed further. Ideal skills for this job include: - Strong knowledge of Shopify platform - Experience with Shopify Liquid programming language - Understanding of HTML/CSS/JavaScript - Experience with Shopify app integrations - Ability to customize Shopify themes and templates - Excellent communication skills and ability to work collaboratively with the client.
The objective of this project is to develop a no-code storytelling platform called Storykraft using Bubble.io. The platform will allow users to generate unique and engaging stories for presentations, training programs, and more. Users will have the ability to input their story requirements, generate story prompts using GPT-4, refine the prompts, and perform various actions such as sharing, downloading, converting to a script, providing feedback, referring a friend, and using a Chrome extension.
Hi there! I need a custom website snippet for Odoo 16 enterprise with the following requirements 1- This snippet is a customer product comparison snippet that compares a product of us to other options that are available in the market. Attach please find a photo of how the snippet must look like. Here is the link to the photo of the snippet as well: 2- The snippet is solely designed from the front end and it doesn't fetch any data from back end. 3- Each snippet consists of a title (e.g., "Rover vs Other" in this example). After the title, there is a row containing one or more comparison points. Each comparison point includes a title (e.g., "Accessories") that can be customized with a background color and a round border. Additionally, there are two text areas w...
Front End UI Developer Needed for Hrm Software with Focus on tracking and attendence Skills and Experience Needed: - Proficient in front end development languages such as HTML, CSS, and JavaScript, Flutter ,firebase - Experience with responsive design and cross-browser compatibility - Knowledge of UI design principles and ability to create a minimalist design in line with our brand - - Experience with optimizing software speed and performance Project Overview: We are a corporate/business looking to create a minimalist website that focuses on driving sales and transactions. We need a front end UI developer who can turn our design ideas into reality and ensure a seamless user experience across all devices. The ideal candidate will have experience working with e-commerce platforms and paym...
I am seeking a frontend developer to build a corporate website for me and I am open to suggestions in terms of design and layout. My preferred technology stack is angular, however I am open to other possibilities. This website needs to be stunning, practical, flexible and most importantly deliver a seamless user experience. If you have the right skills and experience, I look forward to hearing from you.
I am looking for a Reactjs developer who can fix functionality errors in my project within 24 hours. The specific bugs that need to be fixed are related to functionality. Know : Rectjs, Redux, CSS
I am in urgent need of a Senior ReactNative developer who can work extensively on this weekend to carry out bug fixes in my project. The developer must have prior experience in working with ReactNative for both Android and iOS, apple pay, google pay, apple login, google login and be well-versed in bug fixing. Some of the ideal skills and experience required for this job include: - Proven experience in ReactNative development - Strong knowledge of debugging and bug fixing - Solid understanding of mobile app development - Excellent problem-solving skills - Ability to work under tight deadlines - Good communication skills If you are a Senior ReactNative developer with the required skills and experience, please apply for this project.
Job Description: Technical Consultant (Glide Platform and Web Technologies) We are seeking a skilled and experienced Technical Consultant with expertise in the Glide platform, backend coding, web app development, codeless app development, web technologies, and change management. As a Technical Consultant, you will work closely with the management to understand their requirements, provide technical guidance, and deliver effective solutions. Responsibilities: Collaborate with the management to analyze their business needs and propose technical solutions using the Glide platform. Develop and implement backend coding, Architecture and execution plan along with the actual execution for web applications, ensuring they meet functional and performance requirements. Create no code applications usin...
We are seeking a fulltime fullstack JavaScript developer to join our team on a long-term basis. Our existing business requires someone with extensive experience in this field. The ideal candidate should possess a deep understanding of modern web technologies and frameworks. Responsibilities: - Develop and maintain our web applications using React, Node.js, and MongoDB - Collaborate with our team to design and implement new features - Optimize the performance and scalability of our applications - Write clean and maintainable code - Participate in code reviews and provide constructive feedback Requirements: - Strong expertise in JavaScript, React, Node.js, and MongoDB - Experience with AWS, Docker, and Kubernetes - Familiarity with Agile development methodologies - Excellent problem-solvi...
We need a very strong php coder to join our team He will be working with our project manager Main job is customizations on existing custom software Needs to start today
I'll give you link for website that generate custom cookie from js files. All I need is node js or python script that generate this cookie without using selenium or this js files.