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Hire the best JavaScript Developers in Duesseldorf, DE

Check out JavaScript Developers in Duesseldorf, DE with the skills you need for your next job.
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Clients rate JavaScript developers
Rating is 4.8 out of 5.
4.8/5
based on 557 client reviews
  • $35 hourly

    • 5.0/5
    • (7 jobs)
    🚀 Dive into a world where technology meets artistry. Whether it's crafting a captivating mobile app or sculpting a responsive website, my skills span the digital cosmos. 📱 Mobile Marvels: With a prowess in iOS, Swift, and Obj-C, I've transformed ideas into AppStore successes, ensuring every pixel and every line of code is perfection personified. 🌐 Web Wonders: Skilled in databases such as MySQL and soaring through cloud titans like AWS & Firebase, I breathe life into websites and web applications that not only look good but function flawlessly. I'm Riccardo, your all-in-one tech maestro based in Germany. From the humble beginnings of a project to its grand launch, I've been the tech backbone for start-ups, SMEs, and visionary individuals. My holistic approach ensures that every project is a testament to quality and innovation. 1️⃣ Unified Vision: Mobile or web, my expertise bridges the gap, ensuring consistency and excellence across platforms. 2️⃣ Passion-Packed: Every project is personal. Every line of code, a commitment. If you seek a blend of creativity and technicality, someone who sees not just a task but a mission, let's transform the digital landscape together. Best regards, Riccardo
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Figma
    UX & UI
    Webflow
    iPad UI Design
    iPhone & iPad Apps
    iPhone UI Design
    iPad App Development
    macOS
    Database Integration
    Apple Xcode
    Payment Gateway Integration
    Objective-C
    Swift
    iOS
  • $45 hourly

    • 5.0/5
    • (4 jobs)
    I help small businesses by creating and improving their Shopify Stores to build an amazing web presence with high conversion rates during a pain free development process. ✅100% refund policy. ✅3+ years of Technical Experience working with businesses and clients. ✅100% satisfaction guarantee. You have something other developers can't solve? Contact me and let me solve it for you. There's no risk to you. If I can't solve it you won't be billed. I have been working with clients and businesses for the past 3 years so that I can be the best option for your Shopify needs. Quality services I offer: ✅ Creative Shopify Store Interfacedesign & Setup (Account Creation Configuration) ✅ Shopify Store Migration to migrate an existing store to Shopify ✅ Building new Store Pages and Theme Customizations (Custom Liquid, JavaScript) ✅ Theme-/Bug Fixes ✅ Optimizing Page Load times so that you have the best chance at ranking well in the search engines ✅ Adding and setting up Shopify apps ✅ Explaining the Shopify Dashboard Why me? ✅ I exclusively focus on Shopify therefore I mastered this platform ✅I provide my clients a 100% free consultation to audit your needs and give you useful feedback from a developers perspective ✅ I also offer all my clients a 100% money back guarantee ✅ On-Time Delivery Next steps Please click the "Invite" or "Hire" button to start a conversation with me. We'll begin with a free consultation to see how I can help you. No strings attached. I'll get back to you immediately.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Website Optimization
    Shopify SEO
    Ecommerce Website Development
    Shopify Templates
    Conversion Rate Optimization
    Bug Fix
    Liquid
    Theme Customization
    Shopify
    HTML
    CSS
  • $50 hourly

    • 5.0/5
    • (1 job)
    Certifications: 🌐 Cloudflare Optimized Partner ☁️ Google Cloud Trained by TWT 📈 Online Marketing by IAB Europe Hi! I'm Tom Klein, a passionate developer with a deep-rooted love for creating solutions that make the world a more efficient and connected place. At Gentlent, we specialize in transforming businesses through innovative technology solutions, with a focus on full-stack development. Our team excels in using modern technologies like NodeJS, PHP, React, and more to build robust, scalable, and efficient platforms tailored to our clients' specific needs. Our diverse portfolio spans various sectors, including IT security, traditional media, and healthcare. Whether it's advanced IT infrastructure or comprehensive web and data platforms, we bring our expertise to the table to drive our clients' success. Based in Germany, Gentlent is synonymous with reliability, innovation, and technical excellence. Skills: Web Development: My journey began at the age of 12-13, and I've since developed strong skills in HTML, CSS, PHP, and jQuery, with additional experience in WordPress and SEO best practices. Engineering Expertise: I provide fresh perspectives on problem-solving and create solutions that align seamlessly with both customer and end-user needs. My recent experiences, particularly at Cloudflare, have enhanced my skills in Golang, TypeScript, JavaScript, and React, allowing me to work on projects ranging from small scripts to large-scale distributed systems. Client Testimonials: "Excellent collaboration and support in building the website and graphic design. Highly recommended for their expertise." - Helge W., Business Owner "Tom Klein is an exceptional software developer and a professional in cloud computing and architecture. Working with him was excellent, and I look forward to future projects together." - Alex S., CEO "Tom Klein is a great software engineer who is incredibly friendly. I learned a lot from him, and I highly recommend him for anyone looking to acquire new skills in a supportive and engaging way." - Florian E., Business Partner At Gentlent, we are excited to partner with you on your next innovative project. Let's shape the future of technology together by thinking further.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Stripe API
    Google APIs
    Border Gateway Protocol
    Google Cloud Platform
    Apache Cassandra
    Web Development
    CSS
    HTML
    React
    Golang
    TypeScript
  • $46 hourly

    • 5.0/5
    • (27 jobs)
    A full-stack JavaScript developer with a passion for building scalable and efficient applications. With over 10 years of experience, I've worked on a wide range of projects, from small startups to large enterprises, helping them to achieve their business goals through technology. Having completed more than 4500 hours of work with 5-star feedback, I'm confident in my ability to deliver high-quality code and exceptional results. I stay current with the latest industry trends and up-to-date programming practices to ensure that I deliver high-quality projects to clients. With strong communication skills and a focus on client satisfaction, I'm currently working with the React, React Native, Next.js, NodeJs, Apollo GraphQL, and Tailwind CSS stack to bring your ideas to life. Whether you need help with front-end development, back-end integration, or anything in between, I'm here to help.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Web Application
    Tailwind CSS
    jQuery
    MeteorJS
    Next.js
    Firebase
    React
    TypeScript
    GraphQL
    Node.js
    React Native
    MongoDB
    PostgreSQL
  • $35 hourly

    • 5.0/5
    • (21 jobs)
    About 13 years of extensive experience. Expert in high loaded, big data oriented, scalable systems and applications. PHP, JavaScript, Python. Some buzzwords that will help you to find me: PHP, Laravel Python, Django, Flask ReactJS, Redux, VueJS, Vuex MySQL, PostgreSQL, MongoDB. RabbitMQ, Memcached, Redis, Sphinx, Elasticsearch. GIT, Mercurial, SVN. Amazon AWS: EC2, Lambda, S3, DynamoDB, Aurora. Serverless architecture. TDD, BDD. CI/CD. IDEs and Tools: CentOS, Ubuntu/Debian, OSX. Vagrant, Docker, NginX, Apache, SBT, Maven, Gradle, IntelliJ IDEA, Jenkins, Jetty, Tomcat Payment Gateway integration (Google Checkout, Authorize.net, PayPal, Stripe) APIs: Facebook, Twitter, Livejournal, VK, JIRA, Mailchimp, Mailgun, Mandrill, Zendesk, Twilio. I enjoy developing applications that require creative thinking, solve complex math and algorithmic problems, and develop large, structured databases, so I am seeking a position to apply all my skills and knowledge at the full extent.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    WebRTC
    Flutter
    PostgreSQL Programming
    PHP
    Django
    Python
    Laravel
    API Integration
    React
    MySQL
    Node.js
    Vue.js
  • $40 hourly

    • 0.0/5
    • (1 job)
    Hi! I am a business analyst with almost 3 years of experience and lots of functional insights in various functions like category management, accounting, marketing and project management. I am proficient with all common tools for data analysts to complete your project
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Microsoft Power BI
    Business Analysis
    Analytics
    Data Visualization
    Google Apps Script
    Python
    Tableau
    SQL
    Looker Studio
    Automation
    Google Sheets
    Microsoft Excel
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    Hello, I'm Jefferson, an EDB PostgreSQL Certified Professional (the highest level of PostgreSQL Certification from the most reputable PostgreSQL Certification provider). I have 8+ years of experience in the computer industry, mostly spent my career as a PostgreSQL DBA and Database Developer. - Expert in providing smart business solution, cost effective, profitable and timely manner to give best service in industry with guaranteed satisfaction. - Strongly motivated professional participated in multiple projects, and effective co-worker. Over the last 7 years, I have managed and developed a wide range systems in database solutions such as : common database administration (advanced query, stored procedure, reporting, view, trigger and function, backup and restore, etc), database system automation, data migration, database testing, database replication and clustering using Pgpool-II, Slony, Pacemaker and Postgresql Streaming replication, disaster recovery, database system monitoring, database maintenance, Business Intelligence using Looker, Amazon Redshift database, data reporting using Jasper Report and many more. My current job also includes : crond, enterprise linux administration, cloud service, mongodb, sSMTP, server clustering, DRBD, Pacemaker, Corosync, Heartbeat, and many more. I also have some experiences in the following areas: Wordpress, PHP, HTML, CSS, javascript, VB, C# programming. All service will be delivered with 100% satisfaction guaranteed.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    WordPress
    Shopify
    Redux
    Vue.js
    Next.js
    React
    TypeScript
  • $80 hourly

    • 0.0/5
    • (0 jobs)
    As a Front End Developer I have prior experience creating and maintaining interactive web applications, utilizing modern web technologies such as JavaScript, and HTML/CSS, as well as an understanding of optimization techniques and user experience principles.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    React
    Node.js
    Bootstrap
    Figma
    CSS 3
    CSS
    HTML
  • $55 hourly

    • 0.0/5
    • (0 jobs)
    I'm a Mechatronics and Software Engineer with experience building complete solutions thanks to my broad knowledge and skills, I have experience building a lot of things from websites to IoT devices and even robot arms. - Will build full websites using HTML/CSS/JS, React, Express, NodeJS, and other technologies - Will design electronics diagrams and printed circuit boards to fulfill the needs of the client - Will make programs for microcontrollers in projects of any level or connectivity such as Arduino, ESP32, Jetson Nano, Raspberry Pi or others - Will design and test complete mechanical systems that integrate all the needs of the project.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Autodesk Fusion 360
    Power Electronics
    Electronic Circuit Design
    Mechatronics
    Mechanical Engineering
    Control Engineering
    Computer Vision
    Tailwind CSS
    React
    Microcontroller Programming
    Embedded C
    Node.js
    C++
    Python
  • $70 hourly

    • 0.0/5
    • (0 jobs)
    Summary Full Stack and CSS/JavaScript/Nodejs/Go Developer, providing scalable solutions for standard-compliant and cross-browser compatible websites, intranets and web applications. Strong information design and content delivery experience in the software technology, financial services, e-commerce platforms, and health care industries. Over professional experience since 2010 (officially), freelance before. Specialities Creating new web-pages and supporting projects involving legacy and modern technologies from Frontend side (HTML, JavaScript, CSS), Nodejs servers support, fetch, GRAPHQL ...etc , on various projects for capability to view in all popular browsers and devices. Adding new features to an existing application and developing frontend/node/php/python solutions from scratch. I have permanent residence in Germany, which is also valid permission to work in Germany freely and as freelance for other countries.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Vue.js
    SQL
    MongoDB
    Node.js
    Next.js
    React
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    Hello, My name is Surya, I live in Düsseldorf, Germany. I am a front-end developer with a strong focus on creating quality-assured responsive web applications. I have 8 years of experience in developing engineering solutions in various industries like banking, travel, and hospitality. With specialization in React and Angular and detailed responsive web design knowledge, I have created and enhanced various micro and macro front-end applications along with adequate unit testing. I have excellent communication skills in English and am learning German. Outside work, I am an avid gamer and enjoy playing drums.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Redux
    Material UI
    Next.js
    Git
    Vue.js
    End-to-End Testing
    Unit Testing
    SCSS
    CSS
    HTML
    TypeScript
    Angular
    React
    Web Development
  • $60 hourly

    • 3.2/5
    • (5 jobs)
    Hi, My name is Artem. In my portfolio, are a few of the web-projects that I've developed. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. Listed below are my experience and skills. - Core PHP (first met it about 10 years ago). --- Frameworks: Zend framework 1-2, Laravel 4,5, Symfony2, Silex --- ORM: Doctrine 2, Eloquent (include in Laravel) --- Composer --- Object Oriented Programming (How can we ever work without it?) --- Use auto testing for for medium and large projects (I am use Codeception for it) - Core JavaScript --- Frameworks: jquery, emberjs - Core web: XML, JSON, HTML/CSS; - Environment manage system: Ansible - Storages: MySQL (excellent), MongoDB (once worked), CoucheDB (once worked), SQLite (once worked) --- I know the pros and cons of different storage - Search engines: Sphinx, ElasticSearch - Apache2 as http server - VCS: Git, Mercurial, SVN; - IDE: Netbeansm, PHPShtorm - Bug/Issue trackers: Jira, Redmine; - OS: Windows and Linux (Ubuntu) - Virtual machines: virtualbox + vagrant - CRM/CMS/CMF: ModX, HostCMS, Simple CMS, Wordpress, Bitrix, SelesForce - APIs: Pay Pal express API, Pay Pal standard API, Payment by credit cards bank interfaces, Yahoo currency API, SelesForce API, Facebook API, DropBox API, Google Docs API, Google Picasa API, SmugMug API, Youtube API, SugarSync API, Tranzilla Feel confident in the console Linux, have basic administration skills. If necessary I can manually configure the server. Also I have little experience with Ruby, Pascal и Java.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Symfony
    Elasticsearch
    Laravel
    Sphinx
    Laminas
    CSS
    MySQL
    PHP
    MODX
  • $25 hourly

    • 0.0/5
    • (0 jobs)
    As a full-stack engineer with 9+ yrs of experience, I built attractive and responsive UIs, clean and modern code, robust and reliable web applications. I thrive working with others towards a shared goal. My previous experience gives me strong problems solving skills and empathetic communication. My specialties include these buzzwords: -quickly learning new skills and programming languages, -problem-solving, -domain-driven design, -responsive design principles, -website optimization, -the Model View View Model(MVVM), -the Model View Controller (MVC) methods of organizing code. So far I have -HTML5, CSS 3, Bootstrap, jQuery, JavaScript, Typescript, -React, Next.js, Angular, Vue.js, Nuxt.js, GraphQL, -ExpressJS, NodeJS, NestJs, Laravel, Django, -MySQL, MongoDB, PostgreSQL, -Git/GitHub. I'm expanding my skills in Bash, nginx, Python, automation, Continuous integration and Continuous Deployment (CI/CD), and cloud services (AWS - EC2, Amplify, Lamda).
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    WebGL
    D3.js
    Three.js
    Shopify
    WordPress
    Node.js
    Vue.js
    Angular
    CSS 3
    HTML5
    MySQL
    PHP
    React
  • $50 hourly

    • 0.0/5
    • (0 jobs)
    Hello! I’m a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, I can help. My name is Oleg Barbos, your potential developer of custom websites. Since I have been involved in web development for many years, I have gained a huge amount of experience with programming and knowledge. I have gained my experience over the years at advertising agencies, tracking agencies, internet agencies from self-employment and hobby developments. I use a lot of artificial intelligence, such as Chat GPT- 4.0 or others. You get a full stack WEB 2.0 development from me. - Consulting - Design - Development - Hosting - Support My level of knowledge - Individual web development FullStack - Frontend web development - ReST API backend development - Chat system development. - Landing pages - Tracking - Web automation - Backup system - Pixel, Google Services - Google Maps, Google Analytics integration and much more. Languages ​​& Scripts - HTML5, CSS3 - JavaScript ES6 - jQuery - BootstrapJS - Ajax - PHP - MySQL Database Full project management from start to finish. Regular communication is important to me, so let’s keep in touch. -Let's talk about it!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    GPT-4
    AJAX
    Linux
    MySQL
    PHP
    jQuery
    Tracking Tags Installation
    Tracking Pixel
    Web Hosting
    Websockets
    Landing Page
    REST API
    Back-End Development
    Front-End Development
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    With over 6 years of experience in web & mobile applications (iOS/Android), project management (agile) and DevOps — I ensure seamless development processes. Languages: - Python, JavaScript I have successfully supported companies in surpassing their business goals, generating multimillion-dollar revenues, and engaging thousands of satisfied active users. My commitment goes beyond just writing code; I take full ownership of the projects I work on, guaranteeing results that speak volumes and stand the test of time. Are you in need of a dedicated and skilled developer who not only understands the technicalities but also the business implications of your project? Connect with me to transform your vision into exceptional, market-ready outcomes.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Full-Stack Development
    React
    Django
    FastAPI
    Flask
    Artificial Intelligence
    Python
    Website
    ActionScript
  • $30 hourly

    • 5.0/5
    • (13 jobs)
    I'm a professional web developer, who has been working on different projects for more than 7 years. During my career i mainly focused on web projects driven by PHP and MySQL, while keeping up-to-date with Javascript and several other frontend development frameworks. Driven by the interest of web development technology, i became knowledgeable with different frameworks which allowes me to develop web projects faster. I have expertise using Laravel and Symfony as PHP frameworks. As for Javascript frameworks, i'm well versed in using Jquery, Vue.js, React or pure Javascript. Least but not least, i have a very good understand of HTML and CSS. I hope i can be at your service and help your ideas bear fruit. Be it with working out minor bugs or creating complete websites. I'm always open for new opportunities, so if you need any assistance, please just contact me. I can work in any timezone required.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    PHP
    Vue.js
    jQuery
    Laravel
    SQL
    MySQL
  • $3 hourly

    • 0.0/5
    • (0 jobs)
    I am an eager full-stack developer that recently accomplished a web development course with a focus on MERN stack technologies. I am ready to put my new expertise into practice and keen to be part of the digital transformation in a professional way.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Bootstrap
    Vue.js
    React
    HTML
    CSS
  • $28 hourly

    • 0.0/5
    • (0 jobs)
    I am a developer experienced in building Windows Applications, Discord Bots, and FiveM Scripts for small and medium-sized businesses. - Knows C#, Java, JavaScript, and Lua - Full project management from start to finish - Regular communication is important to me, so let’s keep in touch.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Scripts & Utilities
    FiveM
    Lua
    Discord Bot Development
    Application Integration
    MongoDB
    MySQL
    Java
    C#
  • $25 hourly

    • 0.0/5
    • (0 jobs)
    Hi, I’m Muhasin! I’m a Full-Stack Web Developer with experience in building user-friendly, efficient websites. I also teach web development at the Digital Career Institute, helping others create great websites. I focus on turning ideas into clean and high-performing digital solutions. Let’s work together to build a website that not only meets your needs but goes beyond your expectations.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Tailwind CSS
    React
    Vue.js
    TypeScript
    Linux
    UX & UI Design
    SEO Content
    MongoDB
    ExpressJS
    Node.js
    WordPress
    CSS
    HTML
    Web Development
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    ABOUT ME Knowledgeable and thorough developer with over 7 years experience. I have strong mathematical skills and knowledge of algorithms and experience developing full stack programming, blockchain programming, and experience with AI. I work a lot as a team lead or project manager. Have skills in managing a team of developers and hiring programmers for projects. I'll fully manage all development of your brief from start to finish. If you need a serious developer - don't hesitate to contact me.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Solidity
    RESTful API
    Python
    React
    CSS 3
    WordPress
    PostgreSQL
    Vue.js
    Rust
    jQuery
    MongoDB
    HTML5
    MySQL
  • $3 hourly

    • 0.0/5
    • (0 jobs)
    I’m a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, or create a new online store, I can help.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Web Application
    Responsive Design
    HTML
    React
    CSS 3
    CSS
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