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 699,224 opiniones, los clientes califican nuestro Javascript Developers 4.86 de un total de 5 estrellas.Contratar a Javascript Developers
Necesitamos crear una plataforma Web (parecida pero mas sencilla a ), que analice las diferentes cuotas de las casas de apuestas deportivas y las compare buscando una unos valores específicos y así clasificarlo como Surebet. Debe permitir clasificar los diferentes deportes, así como las diferentes líneas de apuesta de ese deporte, ejemplo (mercado de ganador, mercado de total de goles, mercado total de puntos, etc.) La plataforma debe servir para pago por suscripción, ofreciendo al usuario la posibilidad de mediante un registro poder personalizar los resultados que desea imprimir en pantalla, se dará mas información al respecto por privado, el proyecto debe ser actualizado constantemente así que se requiere una persona realmente compr...
Se requiere programador con conocimientos en unicentaopos para implementar facturación electrónica y todos sus requerimientos API y demás para conexión con proveedor tegnologico
Tengo una estrategia la cuál necesito un bot con una interfaz sencilla para ponerla en práctica en broker como pocker option, la option o quotex la idea es que me mande una señal cuando debo entrar o haga la operación según corresponda si se le puede agregar inteligencia artificial sería mucho mejor el presupuesto es de 100 dólares tiempo de entrega una semana
Hola. Necesitamos a un programador con experiencia en plugins para Minecraft 1.17.1 Específicamente necesitamos: * Finalizar programación planeada, la cuál aún no ha sido finalizada por falta de equipo. Dicha programación sería de Items, Zonas, Etcétera. * Elaborar programación de nuevos objetos a añadir. * Ofrecer ideas y brindar apoyo cuándo se estime conveniente. El servidor es de Habla hispana y centrada en el Roleplay Medieval. Cualquier información, ponerse en contacto conmigo o comentar aquí directamente. Muchas gracias
Tengo un sistema basado en multiples usuarios: Vacantes. Empleador. Administradores. Lo que necesito en este sistema es ajustar y personalizar el formulario de solicitud, la vista de los cursos actuales y varios reportes por correo electrónico. Formulario de Solicitud: ya tengo un formulario de solicitud, pero la función que tiene es de solicitar una entrevista, la cuál lo hace un usuario con el rol de VACANTE, y lo que necesito es la habilitación de un curso y que el curso sea habilitado por el administrador o empleador. Vista de cursos: actualmente se puede visualizar los cursos por módulos y lecciones de forma horizontal, pero deseo ver los videos en foroma horizontal, lo que necesito en esta parte es que el usuario o vacante no pueda avanzar al sig...
Necesito modificar un script que usa la función TCPDF. Solo español. Solo español
Tengo código fuente que fue creado en Laravel y react native, por el momento está desactualizado necesitamos que tenga versiones más recientes del lenguaje de programación
Se busca un desarrollador con experiencia en Django para crear un sistema de gestión de contenido (CMS) personalizado, enfocado en la simplicidad y eficiencia para el usuario final. El proyecto consiste en el desarrollo de un CMS que permita a los usuarios crear y administrar sus propios sitios web utilizando un único template prediseñado. Este sistema debe integrar una solución automatizada para la generación y administración de subdominios a través de la API de GoDaddy, permitiendo a los usuarios acceder a sus sitios mediante URLs personalizadas. Características Principales: Framework Django: El CMS debe ser desarrollado utilizando Django, aprovechando su escalabilidad, seguridad y las facilidades que ofrece este framework par...
Compré un script php seguí todo como dice en la documentación,luego después de la primera página para instalar todo no sigue para la activación y me sale pagar error 500, busco una persona que consiga solucionarlo mi hosting es hostinger
Quiero editar un archivo de un juego llamado que está programado en AS3, el juego se basa en pegar puñetazos para ganar. Con años de experiencia he ido probando cosas editando el archivo .swf y inyectándolo al servidor con Fiddler. Para ganar solía modificar dentro de el archivo los páquetes del puñetazo para que cuando yo clicase en el juego en vez de un paquete se envíasen dos, tres... Solía funcionar porque había un delay para todos los usuarios de 100ms entre paquete y paquete, y yo modificando eso me lo "saltaba". Pero ahora lo han quitado para todo el mundo y es como más random. Después de años jugando he visto que no gana quien mas clicks da, si no quién lo de justo ante...
Requerimos que nos ayuden a crear un formulario de facturacion para tienda e commerce Interesados postularse por este medio.
Ser capaz llevar soporte técnico para la página web del sector inmobiliario.
Esta página tiene que estar conectada con las compañías de seguros con las que trabajamos y tener varios requisitos, el cliente va a poder pagar su póliza comprada y descargar su documento. Se necesita que el sistema esté 100% conectada con las compañías para que así den precio reales en vivo y la opción a compra.
I need a talented and experienced Java developer to work on improving and developing new functionalities for my project. Key Responsibilities: - Develop and implement new features in the user interface. - Optimizing and enhancing the performance of the algorithm design. Skills and Experience: The right candidate should have: - Solid knowledge of Java, particularly with the Spring Framework. - Proven experience in UI development and algorithm performance optimization. Your experience in these areas will be invaluable to the success of the project. Looking forward to collaborating!
I am seeking a skilled WordPress developer to create a dynamic and user-friendly job recruitment website. I am particularly interested in integrating key functionalities such as: - Job listing and search: The platform should be able to showcase diverse job openings and allow users to easily sort and search through the listings. - Resume submission: Candidates should have the ability to submit their resumes online. - User registration and login: The site should facilitate an efficient and secure registration and login process for users. Although I do not have a specific design in mind, I highly value creativity and would welcome design suggestions from the freelancer. Therefore, experience with web design and a strong sense of aesthetics would be beneficial for this project. NotificationC...
Looking for a Part Time developer for our World Kwest Are you looking for a great opportunity to start working part time and eventually get a full time remote job from home? We’ll that’s what you’ll get with World Kwest! Requirements • Develop and maintain our database system using PHP and SQL. • Optimize database performance for efficiency and scalability. • Collaborate with the development team to implement new features and functionality. • Troubleshoot and resolve database issues in a timely manner. • Stay updated on industry best practices and technologies. ROLE RESPONSIBILITIES : • Proficiency in PHP and SQL is essential. • Experience with HTML, JavaScript, and/or React is a plus. • Strong problem-solving skills and atten...
I'm in need of a highly capable Magento expert who can swiftly resolve an issue related to the pricing of our configurable products. Despite having the products already set up, there seem to be challenges that call for advanced skills and seasoned experience. - Required Skills and Experience: • Extensive experience with Magento • Past work involving configurable products • Strong knowledge in product pricing • Demonstrable problem-solving ability The end goal is to have the pricing issues addressed professionally without disrupting the overall functionality of our Magento store. Candidates who can illustrate their experience through past work will stand a stronger chance of engaging in this project. This is an excellent opportunity for someone who...
I'm on the hunt for a seasoned Google Tag Manager/Google Analytics professional who can troubleshoot and optimize my current setup, which includes Data Stream and Cookie Consent mode 2.0. Primary issues: - Tags: They're not firing as they should, making data collection inconsistent. - Data: The tracking accuracy is off, which affects my ability to make well-informed business decisions. - Triggers: Some triggers aren't functioning as expected. What I aim for: - Tags: They should be firing correctly every single time, no exceptions. - Data: Data accuracy in tracking needs a significant boost. - Triggers: All problematic triggers must be rectified. Additionally, I look forward to improving my Google Analytics account by: - Integrating advanced tracking features. - Incorpor...
I am on the hunt for an individual with extensive experience and proficiency in Flashloan and Liquidity Mining on decentralized exchange platforms such as AAVE, Dydx, and Uniswap. Tasks will include: - Integrating with Flashloan platforms - Developing smart contracts for liquidity mining - Analyzing market trends to strategize the most advantageous liquidity mining strategies The proficient candidate would ideally possess: - Familiarity with DeFi protocols - Knowledge of the Solidity programming language - An understanding of market analysis and adeptness with trading strategies If you're confident in your skills within these areas, I would love to get in touch!
With this project, I am on the lookout for a skilled Senior Fullstack Engineer who is particularly proficient in JavaScript and .NET. - Proficiencies Required: JavaScript and .NET. A strong command over these languages is expected, since they will significantly contribute towards daily tasks and the overall project’s development. - JavaScript Frameworks: Familiarity with React and FullStack is integral, our project's success relies heavily on these frameworks. Although we've skipped discussing specific features or functions to be implemented in this project, having skills associated with user authentication, API integration, and database management will be bonus points, considering their regular encounter during full stack development. Foreseeable challenges require...
We are seeking a skilled React and React Native developer to join our team on a project basis. The ideal candidate will have a strong background in front-end development with a focus on React and React Native frameworks. This is an exciting opportunity to work on a cutting-edge project and collaborate with a dynamic team. Requirements: Proven experience as a React and React Native developer Strong proficiency in JavaScript, TypeScript, HTML, and CSS Experience with state management libraries such as Redux or MobX Familiarity with RESTful APIs and asynchronous request handling Knowledge of modern authentication and authorization mechanisms, such as JSON Web Tokens Ability to work independently and as part of a team, with excellent communication skills Attention to detail and a passion for ...
Project Title: Advanced Website Development with DatoCMS and Project Overview We are looking for a highly proficient development team to create a cutting-edge website. This project demands the integration of DatoCMS for the backend and for the front end to deliver a premium, responsive, and highly performant web experience. The development will be inspired by the structure and functionalities of a high-end website known for its clean design, engaging visuals, and intuitive user interface. Project Scope Design and Structure Inspiration The website should embody a modern, clean, and user-centric design philosophy, emphasizing: An intuitive navigation structure. A mix of engaging visuals and concise, impactful text. A responsive design ensures a seamless experience across...
I'm in need of a skilled React Native developer to convert a Figma design into a functional application, with a focus on chat features. This project will also entail the integration of 7-8 APIs. The ideal candidate will be experienced in both Figma to React Native conversions and API integration. Applications should consist of: - A detailed project proposal, outlining your approach to the project. - An estimated timeline for completion, including key milestones. I look forward to receiving your proposals and getting to work on this exciting project.
I am in need of an experienced translator who can translate a 2 page English website content into formal Mexican Spanish. As it is intended for a professional audience, the translator must be proficient in maintaining the tone and complexities of the original text. Required Skills: - Proficiency in written English and Mexican Spanish. - Professional experience in translations, specifically for website content. - Understanding of formal language usage and business terminologies. Your role will be very crucial in helping us reach out to our Mexican clients and users, hence we value accuracy and attention to detail. Thanks in advance for your help with this essential part of our project.
I require an experienced ReactJS Developer to help me in developing a responsive web form that can work with JSON data source for dynamic form generation with input controls with validation rules, show/hide and other rules. This project does not require any integration with external APIs or databases. But maybe future enhancements will extend on this. I’d prefer if you are skilled in using Fluent UI and Material UI for a seamless user experience. Key Features: - Responsive design - JSON data source handling - Dynamic form generation with input controls with validation rules - single page load and navigation of a single form with multiple pages, sections and fields React Libraries/Tools Needed: - Fluent UI - Material UI The ideal freelancer for this project should demonstrate a ...
I need a skilled Vue.js and GitHub Pages expert to help deploy my existing Vue.js application to GitHub Pages. The details required are as follows: - Deploy an already established Vue.js project on GitHub to GitHub Pages. - Proficiency with Vue.js and GitHub Pages is crucial. - Continuous Integration/Continuous Deployment setup is not required for this project. In addition to delivering on the core task, I'd love to work with someone who can provide insights and recommendations to improve the project. I look forward to working with a proactive, solution-oriented and committed freelancer.
We're looking to transform our web platform into a native app. The key purpose of this project is to enhance user experience and accessibility, and to expand our user base. Ideally, the app would be a replica of our website, including all its existing options, functionalities and layout. Key Details: - The project isn't time-sensitive, allowing sufficient time for seamless transition. - Though the existing website features haven't been explicitly specified, the assumption is that the app should reflect all of them. Ideal Freelancer: - Experience in transforming web applications into native apps. - Strong understanding of web and app functionalities. - Excellent problem-solving skills. - Attention to detail and commitment to user-friendly design.
I am looking for an expert developer to create a ludo game web application for real money betting. Here's what you need to know: - The game will be designed for all age groups. - The critical feature will be a real money betting system, hence, a robust and secure method for transactions is paramount. - The application should also include a money wallet feature for easy betting and cash out processes. - Familiarity with web game development and secure online transaction systems is a must. A successful developer would have experience in creating betting systems and integrating secure payment gateways. Ideal skills: * Web development * Game development * Secure payment integrations * Understanding of legal and security aspects of real money betting we need exact same copy of this - P...
I'm in need of an experienced Serverless JavaScript developer to help remedy functionality in my application'. Ideal Skills: - Proven experience in debugging and problem resolution - Expertise in serverless JS application - Ideally using Cloudflare Service workers - Knowledge of data processing and retrieval systems Your main task will involve implementing this solution to resolve the functionality error. Past experience with similar problems would be valuable.
I am looking for a highly skilled and experienced developer who can create a tool for extracting airline invoices. This software should have the ability to work with a variety of different airlines, effortlessly accessing and extracting invoice data as I haven't specified any particular airlines as of now. Therefore, the flexibility and adaptability of the tool is of paramount importance. Ideal Skills and Experience: - Strong proficiency in software development - Prior experience with extracting data from invoices - Understanding of airline invoicing systems In your application, ensure to include your past work particularly highlighting any experience with similar projects. Please note, the specifics of the nature of the extracted data have not been defined yet, but the ability...
I'm seeking a proficient developer, especially adept in Leaflet JS, to improve the user interface of my map. The overarching goal is to enable users to easily control the visibility and categorization of markers on the map. Key tasks include: - Implementing 'Show/Hide' functionality for grouped markers. The solution should allow for toggling on/off of groups of markers. - Setting up a 'Filter by Category' functionality. The number of categories will be significant, with 10+ types to interact with. The end result should be a map where different groups of markers represent different types of data, can be selectively shown or hidden, and filtered by their respective categories. Experience with interactive mapping interfaces and data categorization is highly desirab...
As I venture into my next project, I am on the lookout for an astute Python developer. While no specialized field is a requisite, your proven experience in Python development is essential for tackling this role effectively. Whether you've dabbled in web development, data analysis, or machine learning, your Python prowess will be key to excelling at this project. Though knowledge of other languages or technologies such as Django, Flask, or PostgreSQL isn't mandatory, any additional skills you bring to the table would certainly be welcomed. Ideal Skills: - Strong Python programming competence - Good problem-solving abilities - Adaptable and fast learner Experience: Please share your prior experiences using Python in your application. Outlining your significant Python-related a...
I'm looking to develop a robust web application with various imperative features using Spring boot and Angular for backend, NodeJS and JavaScript technology for frontend. Key Duties: - Creation and implementation of a fully functional web application - Integration of user authentication for secure access - Incorporation of data visualization tools for user-friendly interactions - Set up e-commerce capabilities to allow online transactions Ideal Skills: - Proven experience with Spring Boot, Angular, NodeJS, and JavaScript - Strong knowledge and practice in web application development - Solid expertise in implementing user authentication techniques - Prior experience in embedding data visualization tools and e-commerce functionalities The freelancer should be able to showcase proje...
Attention: If your portfolio lacks the caliber demonstrated by projects like -> , don't waste your time or mine. Only proficient CSS experts with a strong track record need apply. No exceptions. Additionally, please note that a maximum of 4 hours of free time is required for this project.
This project entails the development and launch of a WordPress website. A fully functional and responsive WordPress website, optimized for various devices (desktop, tablet, mobile). Content population of the website with text, images, and other media Integration of essential plugins for functionality (e.g., contact forms, SEO plugins, security plugins). Basic on-page SEO optimization to improve search engine ranking.
I am looking for a dedicated and highly experienced WordPress developer who can create a module that will parse song lyrics from popular song lyrics websites Genius and MetroLyrics. The successful candidate should possess: - Significant experience in WordPress modules and plugins development - Familiarity with web scraping and parsing algorithms - Proven track record with similar projects This module is designed to extract full song lyrics from the referenced sites, not just snippet, and display them on a dedicated lyrics page within our website. This will serve as an addition to the existing content and involve the following requirements: 1. Efficient Lyrics Parsing: Parsing full lyrics from Genius and MetroLyrics, considering their different HTML structures. 2. Seamless Integrati...
seeking Freelancer to Implement Dynamic NFC Card Link Encoding and nfc card management web panel developer Title: Seeking Freelancer to Implement Dynamic NFC Card Link Encoding Description: We are looking for a skilled freelancer to assist us in implementing a dynamic NFC card system. The NFC cards will be encoded with a link leading to a web panel. However, the ultimate destination of this link should be modifiable remotely. Key Requirements: NFC Card Link Encoding: The freelancer should be proficient in encoding NFC cards with a link to a designated web panel. Dynamic Link Redirection: When the NFC card is scanned, the user should seamlessly be redirected to the management platform first and then immediately to the destination page. It's crucial that this redirection happens ...
I'm in need of a skilled web designer to create a static, informational website aimed at individual customers. Emphasizing user-friendly design, high-quality content and fast load times are vital. The website should be intuitive, clean, and modern, delivering information effectively. Ideal Skills: - Strong skills in HTML, CSS, and JavaScript - Experience in creating visually appealing website layouts - Proven track record in creating high-quality content - Optimization skills to ensure fast load times Successful delivery will provide a pleasant user experience, effectively communicate our message and resonate well with our targeted individual customers.
Hello, I am looking for someone for my project. I would like to have a browser extension/toolbar (Firefox, Chrome) programmed that compares the item immediately when shopping online and displays the cheaper price. a similar plugin is the follow see you soon, Markus
I have a website which was developed over 2 years back and shelved halfway due to client not being interested. Back then the site was developed in node.js version 16. However version 16 is going to be deprecated this year and hence the website code needs to be updated to node.js version 18. My current host already has node.js version 18 with the website loaded, however website doesn't load and operate exactly as we need it. Its a simple site as it was shelved well before the work was completed. If you are able to do this effectively then the follow up project to complete this project will also be awarded to you.
I am seeking an expert UI/UX Angular Developer to enhance existing user interfaces and further develop Angular applications. The ideal candidate would have proven expertise in: - Audit and enhancement of current user interfaces - Development of Angular applications - Adherence to specific design guidelines and branding elements Knowledge and experience in recognizing and effectively applying our brand's unique style elements throughout both existing and new applications is a must. The right candidate should bring creative yet systemic innovation, improving the user experience while respecting our established visual identity. Proven ability to work both independently and collaboratively within a team is highly desirable as you will be expected to deliver high-quality work promptly. ...
I'm looking for a developer with a knack for professional and corporate design, capable of creating a classified webpage similar to OLX. Key features I require include: - User registration and login functionality - Implementation of advanced search filters - A seamless messaging system - Capability for users to list products with detailed specifications. While the focus of this webpage is unspecified, versatility in handling listings for both services and physical products would be appreciated. The ideal candidate would preferably have prior experience in creating classified websites. A high degree of professionalism, attention to detail, and a drive for creating effortless user-experiences are essential skills for this project.
I'm in need of a skilled and experienced web designer for a project that's open for design ideas. The details are as below: - Purpose: The purpose hasn't been clearly identified yet, but it could be an E-commerce, Informative, Portfolio website, or a combination of these aspects. - Design Preferences: Open to suggestions. Whether you have a knack for creating Minimalist, Bold and Colorful, or Clean and Professional websites, I'm interested in your creative input. - Website Pages: At this stage, I can't specify the exact pages needed. It could range from a simple Home page to a more comprehensive website including About Us, Services, Contact, or Portfolio pages. As the project lacks specifics, flexibility, creativity, and excellent communication are key qualit...
We need web frontend programmers We are looking for web front-end programmers (css-html-javasscript). To work from home with a software company full time. Proficiency in using GitHub is required Your English proficiency is required to be high or intermediate. You will not need prior experience because we provide training for applicants, but you will have a fair portfolio of work
I'm currently in the decision-making phase for a web scraping and automation project and I am searching for a highly skilled AI developer who would create a script that will automate login to an undetermined third-party website using provided login credentials. Notably, the selected website will likely require an effective CAPTCHA solution. And while I am yet to specifically point out the type of data to be scraped, expect that this will be clarified as the project progresses. Required Skills & Experience: - Proficiency in Python programming - Experience with automation scripts - Ability to solve CAPTCHA challenges - High level of flexibility and adaptability since the specific details of the project are still under consideration.
I'm seeking a skilled developer to design and develop a modern, big SKU e-commerce website solely for selling industrial products online. Key Project Details: - Main Focus: Create a fully operational e-commerce website dedicated to selling industrial goods. - Design: A modern look that attracts and retains users, while ensuring easy navigation. - Functionality: Implement robust search functionality including filtering options by various parameters, secure payment gateways, user reviews, and a hassle-free checkout process. -SEO friendly - Product and Blog Ideal Candidate: Someone with a strong working knowledge and experience in and e-commerce platforms. A keen eye for modern design and UX/UI will be favorable. Experience in developing websites with a large number of SKUs is a...
I am in immediate need of a proficient backend developer skilled in PHP, Python, and Java for my site. I seek a professional capable of handling an assignment, which may involve complex backend infrastructure management. Although I overlooked detailing specific functionalities, other typical backend features will likely apply. Essential components could encompass areas like API integration and user authentication. The project has a timeline of one month. As such, I require a developer that can deliver quality work within that timeframe. The ideal candidate is a problem solver, an effective communicator, and of course, passionate about his/her craft.
Looking to create a ticketing ecommerce website following features: Home page showing featured events (with admin having ability to update those events) FrontEnd (React) Backend (Django) Using Firebase Ecommerce checkout API to ticket vendor website: to get - Ticket prices for any selected event - Event/Venue seating chart - Purchase ticket from vendor during checkout process - Send customer confirmation email and ticket
As the project owner, I'm looking for an expert JavaScript developer to help update the lunar calendar on my existing webpage. The key change would be the adaptation of my webpage's lunar calendar to run calculations based on my own moon visibility criteria. Here are the specifics: - Implement calculations for the first day of the lunar month based on crescent moon visibility. - These parameters of visibility need to be included in the calculation process: duration of moonset after sunset, the angular separation between the moon and the sun, lag time between sunset and moonset, latitudes, and longitude of the regions where the crescent moon is visible, and the age of the crescent. - Update the javascript on this page: Ideal skills and experience: - In-depth JavaScript exper...