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 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 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, is the place to post your project. Hire our expert Javascript developers today!

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    LlamaIndex chatbot 6 dní left

    I am looking for a talented freelancer to create an innovative LlamaIndex chatbot for me. This bot will be integrated with googe web, and it is for personal use only. I need the project completed as soon as possible, so I am looking for someone who can deliver a high-quality product in a timely manner. It would be great if the freelancer has experience developing chatbots and understands the nuances of voice search technology. The ideal freelancer should also have the creativity and technical expertise to make sure this chatbot stands out from the competition. This is an exciting opportunity for someone to showcase their skills and create something totally unique.

    €16 (Avg Bid)
    €16 Průměr. nabídka
    3 nabídky

    add a location in css format for a quillform online questionnaire like this site, using a google map location

    €142 (Avg Bid)
    €142 Průměr. nabídka
    54 nabídky

    I need an ios developer for my webview project to check is any camera entegration in project with build and add these features: - Open half and full screen camera according to javascript handler buttons - Onesignal code entegration (Onesignal panel is ready) - Connection control when lost, available and capability changed and page changed - IOS update on market

    €242 (Avg Bid)
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    Java full stack 6 dní left

    Dear Professionals, We are looking for Freelance JAVA Full Stack Trainer . #java #Javafullstacktrainer #javafullstack #freelancer #java MODE: Online/Offline LOCATION: Chennai, Bangalore, Coimbatore, Hyderabad, Pune, Kolkata STARTING DATE : June 3rd week DURATION : Appx 3 months EXPERIENCE : 10+ years PARTICIPANTS : 20-25 (Beginners to Intermediate Level)

    €2657 (Avg Bid)
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    €164 Průměr. nabídka
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    I am in urgent need of a PHP expert who can help me create a custom PHP script within the next 2 hours. I already have a complete outline of the project, so I need someone who can jump right in and get to work. The ideal candidate for this job should have: - Extensive experience with PHP development and custom scripting - Strong problem-solving skills for addressing any issues that may arise during the project - Excellent communication skills to ensure that the project is completed accurately and on time. If you think you have the necessary skills and experience to help me with this project, please reach out to me as soon as possible.

    €31 (Avg Bid)
    €31 Průměr. nabídka
    19 nabídky

    I am looking for a full stack developer to join my team and work on an ongoing project for a mature SAAS business. The ideal candidate should have experience with JavaScript/React. This would ideally be a full time role for the long term.

    €24 / hr (Avg Bid)
    €24 / hr Průměr. nabídka
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    I am looking for a developer who can integrate VideoSDK into my website (). The purpose of this integration is to enable live streaming and video conferencing capabilities. I have specific requirements that I would like to be included in the integration, which I can discuss with you. Ideal Skills and Experience: - Experience with VideoSDK - Knowledge of HTML, CSS, JavaScript, Codeigniter, PHP - Familiarity with educational websites and their requirements for video integration - Ability to troubleshoot and solve technical issues quickly and efficiently.

    €451 (Avg Bid)
    €451 Průměr. nabídka
    65 nabídky
    Optimising site speed 6 dní left

    Need someone to optimise a site for speed, needs to be done today.

    €49 (Avg Bid)
    €49 Průměr. nabídka
    60 nabídky

    I am looking for a developer who can create a Chrome extension that will launch an interactive website tour using The purpose of the tour is to highlight features on awebsite. This is a proof of concept only and the simple goal is to have a Chrome extension which opens a popup window which has a button you click to launc the website tour. The tour will use the library. The tour will consist of 1-3 steps on one page as a proof of concept. The tour will work on a third-party website, such as and highlight several features on the website. Ideal skills and experience for this project include: - Proficiency in Chrome extension development - Knowledge of web design and user experience - Experience with interactive website tours or similar features - Attention to detail and ability to wo...

    €53 (Avg Bid)
    €53 Průměr. nabídka
    9 nabídky

    Mi serve creare una calcolatrice di scommesse come questa qui:

    €156 (Avg Bid)
    €156 Průměr. nabídka
    14 nabídky

    There is a slider verification that needs to be resolved

    €429 (Avg Bid)
    €429 Průměr. nabídka
    45 nabídky

    I am looking for a skilled developer who can create websocket functionality to push real-time updates on app activity from our web platform to our mobile app. The following requirements should be considered: - The data to be pushed through the websocket will be real-time updates on app activity. - The implementation should be done using Php and JavaScript. - The updates should be pushed through the websocket on any activity. Ideal Skills and Experience: - Experience working with websockets and real-time data. - A solid understanding of Php and JavaScript. - Familiarity with mobile app development and integration.

    €20 (Avg Bid)
    €20 Průměr. nabídka
    2 nabídky
    Get Workgear API 6 dní left

    I am looking for a freelancer to integrate the Workgear API into my website. The main feature I need is order tracking, and I would prefer the integration to be done using PHP. The timeline for the project is flexible, and I am open to discussing a timeline that works for both parties. Ideal skills and experience: - Strong experience in API integration, specifically with the Workgear API - Proficient in PHP programming language - Familiarity with order tracking features and functionality - Ability to work collaboratively and communicate effectively throughout the project.

    €24 / hr (Avg Bid)
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    I am looking for a skilled developer to create a video downloader website that supports Facebook, YouTube, and Instagram. The ideal candidate should have experience working with Python programming language. The website should have advanced customization options, allowing users to choose the quality and format of the downloaded videos. Additionally, the website should have a simple and clean design, with social media sharing features. If you have the skills and experience to complete this project, please submit your proposal. Thank you!

    €17 (Avg Bid)
    2 příspěvky

    I am looking for a skilled Python developer who can create a Python script that can automate video editing script. The script should be able to use both existing A.i. and video editing libraries, and should have customizable A.i. integration. The intended use case for this project is for a commercial application. Ideal skills and experience: - Strong proficiency in Python programming language - Experience with A.i. and video editing libraries such as OpenCV, TensorFlow, and FFmpeg - Knowledge of video encoding and decoding techniques - Experience with integrating A.i. into Python applications - Prior experience in developing commercial applications would be an added advantage. I would basically like to have some prebuilt templates where i can pass as parameters the following: - product...

    €515 (Avg Bid)
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    मैं सामान्य सामग्री को अंग्रेजी से हिंदी में अनुवाद करने में मदद करने के लिए एक कुशल अनुवादक की तलाश कर रहा हूं। सामग्री में विभिन्न विषय शामिल हो सकते हैं, जैसे समाचार लेख, ब्लॉग पोस्ट और वेबसाइट सामग्री। आदर्श कौशल और अनुभव: - अंग्रेजी और हिंदी में धाराप्रवाह - सामान्य सामग्री का अनुवाद करने का अनुभव - हिंदी फॉन्ट में टाइपिंग और एक्सेल का इस्तेमाल करने में दक्ष अपेक्षित दर्शक: अनुवादित सामग्री देशी और गैर-देशी दोनों हिंदी भाषियों के लिए होगी। स्वरूपण और शैली: अनुवादित सामग्री को एक एक्सेल फाइल में हिंदी फॉन्ट में टाइप करना होगा। किसी विशिष्ट स्वरूपण या शैली की आवश्यकता नहीं है। व्यक्ति को अपने कंप्यूटर पर हिंदी फॉन्ट रखना होगा

    €21 (Avg Bid)
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    We are looking for a freelancer to help make moderate changes to our existing Salesforce org using Apex and Visualforce. This project is for an existing business. We need someone who has experience and can take on the job right away, aiming to complete the project within a specified deadline.

    €309 (Avg Bid)
    €309 Průměr. nabídka
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    Quero testar um broker local – Mosquitto Para isso preciso de um programa que permita que eu simule a quantidade de dispositivos e permita definir a frequência de publicações MQTT. Exemplo: 100, 200, 300, 500 ou mais dispositivos publicando... E que também possa definir o número de Subscriber que irão receber as Publicações. O importante é que o programa faça o descrito acima. pode ser em qualquer linguagem.

    €9 - €28
    €9 - €28
    0 nabídky
    Digital SAT Exam Full stack 6 dní left

    Hello, We are looking for someone who can prepare the same digital sat exam. Example

    €488 (Avg Bid)
    €488 Průměr. nabídka
    54 nabídky

    We need somebody who is an expert in C#/AJAX. Our Application is throwing access error while processing data of more than 5 facilities on Production server, Its working fine on test environment. we need somebody who can find the solution to this issue.

    €624 (Avg Bid)
    €624 Průměr. nabídka
    10 nabídky

    I am looking for a Freelancer to integrate our clients internal portal with the TETA HR API, thanks to which he could collect documents, work certificates from employees and, among others, from the level of this portal, he would like the system to automatically create employee files with documents. We are interested in issuing an API around which we will integrate ours or adapting our API to the Teta HR API. Having access to/knowing Unit4 TETA API's documentation is necessary as we don't have it yet. Request for quotation, unspecified budget.

    €1047 (Avg Bid)
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    53 nabídky

    Job Description: Okta OAuth User Management and Role-Based Access Control (Node.js) We are seeking a skilled Node.js developer to work on implementing user management and role-based access control using Okta OAuth in our application. The ideal candidate should have experience with Okta integration, user authentication, token management, and role-based authorization in a Node.js environment. Responsibilities: User Creation and Management: Implement user registration and creation functionality using Okta API. -Develop user profile management features like updating user information, password reset, and account deletion. -Handle user-related operations, such as email verification and account activation. -User Login and Token Management: Implement user login functionality using Okta OAuth....

    €117 (Avg Bid)
    €117 Průměr. nabídka
    10 nabídky

    Want to create a Web based GUI on which one can post request ( receive response also on +ve/-ve), do get call, do patch call, do delete call, do purge, head, options, do put call in a web based GUI application. The URL should be dynamic and can be coming from different servers ( read from backend server like, consul or yaml files), and as postman once we send suppose a URL to fetch the password, it can generate the response and save to other calls to do the REST/SOAP calls. Code Language : java, springboot, Microservices(for different API services), URL change implementation for picking either with server & manual if not found, also, have structure to update the certificates in case some server requires certificate to access the password token. Also. after closing the APP, when aga...

    €62 (Avg Bid)
    €62 Průměr. nabídka
    1 nabídky

    I am looking for someone to add security to my files and database fields through encryption. Specifically, I am looking to encrypt only sensitive files and fields. I have no preference for the type of encryption used, but I am looking for someone with experience in implementing encryption in a language or platform outside of Python or Java. Ideal skills and experience for the job include: - Experience with encryption techniques and best practices - Familiarity with a variety of programming languages and platforms for encryption implementation - Attention to detail when identifying which files and fields should be encrypted - Communication skills to ensure the encryption implementation meets my needs and expectations. Project Description: We are looking for an experienced developer to imp...

    €15 / hr (Avg Bid)
    €15 / hr Průměr. nabídka
    29 nabídky

    I need help in compiler implement in a project. Thanks!

    €164 (Avg Bid)
    €164 Průměr. nabídka
    16 nabídky

    I need a simple server () and a simple client. It needs to work on apache2 with SSL. Developer needs to know apache2 configuration and ProxyPass. Simple user joined and disconnected messages are enough.

    €9 - €28
    €9 - €28
    6 nabídky
    Design Fixes 6 dní left

    I already have a designed website. i want to fix some bugs or make it more better if you have any idea. You must know how to use TWIG files editor

    €140 (Avg Bid)
    €140 Průměr. nabídka
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    Please read before bidding : 1. We have one feature file upload task. it is working completely. but need to reduce the file size before uploading 2. Mobile number validation tasks. A mobile number already exists validation need to be input. 3. check in the backend apis of the mobile app for OTP is not coming. in our application.

    €134 (Avg Bid)
    €134 Průměr. nabídka
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    Development of Robotic Arm 6 dní left

    The requirements for the robotic arm simulator are: • The simulator should allow programming and controlling a virtual robotic arm within a web browser. • The robotic arm should have at least 4 degrees of freedom to perform pick and place operations. • The user should be able to input joint angle values and see the arm movements in real time within the simulator window. • The application should have options to select different robotic arms and end effectors within the simulator. • The simulator should provide visual feedback on correct and incorrect arm positions. • Programming the arm should be possible through either text inputs or a visual programming interface. I am looking for a skilled developer with expertise in: • Robotics and kinematics...

    €1756 (Avg Bid)
    €1756 Průměr. nabídka
    50 nabídky

    O código deverá: Baixar o arquivo: Encontrar os documentos duplicados; Criar novos diretórios de destino em que, para cada um deles, haja apenas documentos não duplicados; O restante pode ser excluído...

    €28 (Avg Bid)
    €28 Průměr. nabídka
    1 nabídky

    Hello. I want to implement video and audio chat function on my nextjs website. If you have an experience in chat, please ping me. I think this is very simple. Thank you.

    €113 (Avg Bid)
    €113 Průměr. nabídka
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    Wordpress Plugin Development 6 dní left

    I am looking for a skilled developer to create a custom WordPress plugin that will add new functionality to my website. While I have a basic idea of what I want the plugin to do, I would appreciate suggestions from the developer to ensure that the end product meets my needs. The ideal candidate will have experience in JavaScript/ReactJS and be able to work efficiently to deliver a high-quality plugin. The main purpose of the plugin is to add new functionality to the website. High-level functionality is given below: 1. Whenever new pages or posts are added to the website, it will scrape the page/post, along with any metadata and send it to a API endpoint.

    €294 (Avg Bid)
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    Registration and Authentication: Allow users to create accounts and log in securely. Creation and Management: Provide a user-friendly interface for creating and managing tasks. Include fields for task title, description, due date, priority level, and categorization. Tracking and Progress: Display a dashboard or task list showing pending tasks, completed tasks, and upcoming deadlines. Enable users to mark tasks as completed and track their progress. and Sharing: Allow users to collaborate by assigning tasks or sharing task lists with team members. Enable features such as comments, attachments, or subtasks to enhance collaboration. and Notifications: Implement a reminder system to notify users of approaching deadlines or task updates. Provide options for users to choose their ...

    €12 / hr (Avg Bid)
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    19 nabídky

    I need help in compiler implement in a project. Thanks!

    €24 (Avg Bid)
    €24 Průměr. nabídka
    5 nabídky

    website is developed in core php, there is a attendance table and form.. which is working,.. only thing is i want to enable fingerprint in tht on clicking on button ..

    €115 (Avg Bid)
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    JAVA PROJECT 6 dní left

    I am looking for a Java developer to help me create an informational website using the Spring framework. The purpose of this project is to develop a web application that displays information about my business to potential clients. Skills required: - Strong knowledge of Java programming language - Experience with Spring framework - Proficiency in web development technologies like HTML, CSS, and JavaScript - Familiarity with database management systems like MySQL or Oracle The ideal candidate should have experience in developing informational websites and be able to work independently. The project will require attention to detail and the ability to test and debug code. Good communication skills and the ability to meet deadlines are also essential.

    €18 / hr (Avg Bid)
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    Website building 6 dní left

    Hi we are looking to build a website with the following requirements Home page with basic information About us page Contact us - calendar booking system to receive leads on the email address Service - allows the ability to add a business profile with fields(such as name, contact, price etc). Show a comparison table(allow the ability to select which fields from above need to be compared) of these businesses. Happy to discuss more. Thanks.

    €303 (Avg Bid)
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    I am in need of a full-stack developer for a simple, basic website, based on a simple template, allowing us to generate a directory of pages based on it. The ideal candidate is experienced with Headless Wordpress. I require someone with expertise in for the front-end framework and Nest for the back-end language. The project has a specific deadline of 1-2 weeks. The ideal candidate should have the following skills and experience: Skills: - Full-stack development - Headless Wordpress - - Nest Experience: - Proven track record of successful full-stack development projects - Extensive experience with Headless Wordpress - Proficient in and Nest If you meet these requirements and are able to meet the deadline, please apply to this project. When applying, please answer: in order to build ...

    €674 (Avg Bid)
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    I am looking for an experienced Node developer to work with me on monthly basis. The ideal candidate should be proficient in backend development, and have a strong knowledge of Express.js. The following tasks are expected to be performed: - Develop backend of web applications - Debug and troubleshoot issues in existing backend code - Collaborate with frontend developers to integrate backend functionality - Implement security measures to protect data and ensure system stability The developer is expected to work on a monthly basis, and the number of hours per week is not specified. The ideal candidate should possess the following skills and experience: - Proficient in Node.js and - Familiarity with and is a plus - Strong knowledge of database systems, such as MongoDB or MySQL - Experie...

    €337 (Avg Bid)
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    I need an Extension Developer using JavaScript and VueJS. This is the design of the extension project. Requirements: 1: mark up on the seekbar of the video player. 2: save thumb image and time of the video into localstorage. 3: show this info after the page reload. Timeline: 3~4 weeks. It is very simple extension and I only need function of this, no need UI like design. This contract will be a long term project, if you done successful, I will provide more extension projects. You can check the similar function from the

    €131 (Avg Bid)
    €131 Průměr. nabídka
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    I am looking for an experienced freelancer to complete my website, which is currently on the MERN/MEAN stack. I have a clear design idea in mind and would like assistance with bringing it to life. The primary functionality I need on my website is membership/subscription, so I am looking for someone with experience in this area. Ideal skills and experience for this job include: - Proficiency in MERN/MEAN stack development - Strong design skills and experience with bringing design ideas to life - Experience with membership/subscription functionality on websites - Ability to work efficiently and meet project deadlines I already have design on figma , but need a freelancer developer who can fastest working for that Please provide examples of previous work and references if possible. Thank ...

    €184 (Avg Bid)
    €184 Průměr. nabídka
    36 nabídky
    Mentor for nestjs project 6 dní left

    I am looking for an intermediate mentor to help me with my nestjs project. The ideal candidate should be able to provide both code review and conceptual guidance. Communication with the mentor is expected to be on a weekly basis. The following skills and experience are required for this job: - Strong understanding of nestjs framework - Experience with TypeScript - Ability to provide constructive feedback for code review - Excellent communication skills for providing conceptual guidance - Knowledge of best practices and design patterns for building scalable and maintainable applications.

    €145 (Avg Bid)
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    Hello! I am looking for a freelancer to help me build a website for rental of construction equipment. I need it to have an intuitive booking process that includes online payment integration. Additionally, I need it to have some extra functionalities like ratings and reviews. The end goal is to have a website that I can use to easily rent out construction equipment with all the necessary features available. The website should be user-friendly, easy to navigate, and have up-to-date information for customers. If you think you are up for this challenge, please let me know and I look forward to your response. Thanks!

    €168 (Avg Bid)
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    I am looking for a web-based sports video analysis application that is specifically tailored to football (soccer). The application should be built using Python/Django and have the following features: - Statistical analysis: The application should be able to analyze video footage and provide detailed statistical analysis on player performance and team tactics. - Video tagging and annotations: The application should allow users to tag and annotate video footage with specific events or moments in the game. Experience with Python/Django is a must for this project. Additionally, knowledge of statistical analysis and experience in building web-based video analysis applications would be ideal.

    €1402 (Avg Bid)
    €1402 Průměr. nabídka
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    Adalo Expert 6 dní left

    What I would be looking for is two custom form field components. 1. One for inputs that has a 3 state border validation, with selectable colors. And regex checking. 2. And the second for a select with the ability to add static options, including the same 3 state color border option. (I would like both to have the default properties the current input and dropdown have too; font, border color, border radius, background, regex etc...) And of course these would need to submit via the standard actions. I will be able to input any regex pattern I want to though. So that is dynamic within the component. This might be helpful too: Or would it be best to modify this component to be an advanced form component. So I could drop it in, add the field, set the preferences on that field. (As pr...

    €174 (Avg Bid)
    €174 Průměr. nabídka
    25 nabídky
    Edits in Opencart 6 dní left

    A few edits in opencart APIs and functionalities

    €14 (Avg Bid)
    €14 Průměr. nabídka
    4 nabídky

    I am in need of someone who can help me with my Google Search Console. I have been experiencing indexing issues for a few months now and need someone to solve the problem. I am not sure if there are any error messages or notifications in the console. The ideal candidate for this job should have experience in Google Search Console, and be able to troubleshoot and solve indexing issues.

    €45 (Avg Bid)
    €45 Průměr. nabídka
    37 nabídky

    fast check out process and delivery date.

    €37 (Avg Bid)
    €37 Průměr. nabídka
    7 nabídky

    I am looking for a GIS expert who can create polygons on an image for mapping purposes. The successful freelancer should have experience in GIS and mapping. Past work in this area will be considered. The project proposal should be detailed and demonstrate an understanding of the requirements. The expected turnaround time for completion of the project is flexible.

    €15 (Avg Bid)
    €15 Průměr. nabídka
    17 nabídky

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