Hire the best Browser Extension professionals
Check out Browser Extension professionals with the skills you need for your next job.
- $29 hourly
- 5.0/5
- (60 jobs)
Plasmo Framework Contributor 100% browser extension jobs on Upwork Empowering You to Optimize Purchases and Maximize Free Time while Enhancing Personal/Company Values Automate boring stuff ! Scrape for collecting the data ! Migrate your extension to manifest v3 ! Cleanup your messy extension code then scale up ! Linkedin, Amazon, Instagram, Facebook, Youtube, Google Docs etc I can build easy to use chrome extension for YOU! And please focus on what matter for your life :)
Browser Extension
Firefox Plugin DevelopmentBrowser AutomationReactGoogle Chrome ExtensionNode.jsData ScrapingAutomation - $80 hourly
- 5.0/5
- (20 jobs)
I am truly a full-stack expert with over 10 years of experience in - Python, NodeJs, and Golang. - React, Vue, Svelte. - Boostrap, Tailwind, Vuetify... - REST API, Microservices, System architecture I have proficiency in database management and cloud computing platforms. - MySQL, PostgreSQL, Redis, MongoDB, Firebase... - AWS, DigitalOcean, Azure, Joyent. - Docker, CI/CD With a specialization in bot/anti-bot and web security for over 5 years. - A deep understanding of HTTP/HTTP(S), SSL... And Specialize in browser extensions - In 2011, I created the Ddict extension, which now has 200,000 monthly users. Additionally, I have several open-source projects on Github (ddo), with approximately 1 million monthly downloads. If you have a problem to solve, feel free to let me know.
Browser Extension
GolangFirefox Plugin DevelopmentFirebaseWeb DesignSQLWeb ScrapingVue.jsDatabaseSvelteBrowser AutomationGoogle Chrome ExtensionJSONNode.jsData ScrapingJavaScript - $45 hourly
- 4.8/5
- (182 jobs)
I am a professional chrome extension and google app script developer with 6+ years of experience in developing chrome extensions and automation scripts using app script.I can develop any kind of chrome extension within and beyond the chrome APIs. I have more experience in the following areas of chrome extension ✔ Automation in chrome extension ✔ Scraping using chrome extension ✔ Chrome extension for DOM manipulation ✔ API integration in chrome extension ✔ Chrome extension for Screenshot, screen recording ✔ Payment integration in chrome extension ✔ Admin panel for a Chrome extension ✔ Uploading your chrome extension to the web store WHY ME? ✔ I will write clean, professional, and maintainable code from scratch. ✔ I will deliver a thoroughly tested bug-free chrome extension. ✔ I will be available for maintenance at an additional cost. ✔ I will not share your chrome extension code with a third party and never upload them to the web store, GitHub, from my account. NOTE ✔ All chrome extension cost differently, costs depend on your requirement ✔ All the communication payments will be through Upwork ✔ Feel free to discuss Regards, Hassan
Browser Extension
CryptocurrencyGoogle SheetsAutomationGoogle Chrome ExtensionFirefox Plugin DevelopmentWeb ApplicationBrowser AutomationScriptingGoogle Apps ScriptAPIJavaScript - $50 hourly
- 5.0/5
- (33 jobs)
I have over 10 years of experience in programming, and since 2016, I've been specifically working on creating extensions for Google Chrome. I'm familiar with both manifest v2 and v3, and I can seamlessly connect extensions with Firebase and other web services. I know my way around almost all of Chrome and WebExtension APIs, and I can create extensions using various technologies like Vanilla JavaScript/Typescript, jQuery, React, and Vue. I'm also well-versed in all the features of Firebase. If you need help with a Chrome extension project, I can make it happen efficiently and professionally. I can help you create extension for • Chromium Based Browsers (Google Chrome, MS Edge, Brave, Opera, etc) • Mozilla Firefox • Apple Safari I have a Software Engineering degree and so I have knowledge about making reliable, scalable, and maintainable applications.
Browser Extension
webpackjQueryGoogle Chrome ExtensionTypeScriptJavaScriptAPI IntegrationFirebaseReact - $40 hourly
- 5.0/5
- (37 jobs)
I have experience of automate more than 1000 ecommerce sites with Chrome extension. I also build and publish safari IOS extension for both mobile and desktop. I have experience with Laravel, ReactJS, Zapier and Chrome extension development. I am familiar with automation tool like selenium, puppeteer and can also do automation with APIs with Cron job/scheduling.
Browser Extension
JSON APIAutomationData ScrapingAPI DevelopmentPHPHTML5Web ApplicationWebsiteWebsite OptimizationReactBootstrapJavaScriptGoogle Chrome Extension - $40 hourly
- 4.7/5
- (205 jobs)
I'm a Top Rated Plus Upwork professional with over 9 years of extensive experience, specializing in creating high-quality, user-friendly, and feature-rich Mobile Apps and Web Applications. I've successfully completed over 9,500+ hours of work on Upwork, earning over $100K, demonstrating a consistent track record of client satisfaction and project excellence. 🚀 What I Offer: ✅ Mobile App Development (Native & Cross-Platform): iOS: Swift, Objective-C Android: Java, Kotlin Cross-platform: Flutter Guaranteed app-store deployment and compliance. ✅ Full Stack Web Development: Frontend: HTML5, CSS3, JavaScript, React.js, Bootstrap, AJAX Backend: PHP, Laravel, Node.js, Express.js, RESTful APIs Database: MySQL, MongoDB, PostgreSQL Custom Web Solutions, CMS Development (WordPress, Magento, Shopify) ✅ E-commerce Expertise: Magento, WooCommerce, Shopify Payment Gateway Integration Custom plugin & extension development E-commerce optimization (speed, security, SEO-friendly) ✅ Performance & Security: Performance optimization (speed and responsiveness) Advanced security protocols, data protection Scalable architecture using AWS cloud services 🎯 Why Clients Trust Me: ✔️ Top Rated Plus Badge: Acknowledged by Upwork for consistent high-quality results. ✔️ Extensive Experience: Proven capability across diverse industries and complex projects. ✔️ Excellent Communication: Regular updates, transparent workflow, timely deliveries. ✔️ Quality Assurance: Thorough testing, delivering bug-free and reliable solutions. I take pride in delivering solutions that exceed expectations, ensure market-readiness, and drive business success. My approach is always collaborative, professional, and client-centered.
Browser Extension
Web DesignShopify AppsYii2Software Architecture & DesignEcommerce Website DevelopmentAPI DevelopmentMySQLNode.jsReactWordPressExpressJSLaravelPHPPostgreSQL - $30 hourly
- 4.8/5
- (76 jobs)
✔ 8+ Years of Experince, ✔ Top Rated, ✔ CMS Expert, ✔ Enterprise Drupal Development, ✔ Solution Architect, ✔ DevOps, ✔ MVP SaaS Expert, ✔ Web App Architect I am an experienced IT Engineer and Full Stack Web Developer with over eight years of expertise in Web Development, specializing in Drupal, WordPress, JavaScript, PHP, and React. Proficient in both frontend and backend development, I excel at building full-stack applications and delivering high-quality SaaS solutions. Skilled in troubleshooting and problem-solving, I consistently deliver top-tier results within deadlines and thrive on tackling complex technical challenges. Because of my strong background in coding and a lifelong love for art, I can proudly say that creating beautiful and powerful websites is my passion and my profession. I always enjoy working with clients to provide high-quality work and quick responses. My Core Skills and Expertise: ✅Drupal (6/7/8/9/10/11), custom modules, themes, Upgrade, Migration, REST API, Workflows ✅Wordpress, custom plugins, custom themes, website customizations, REST API ✅PHP ✅Javascript ✅Responsive Web Design/Development ✅React Framework, Headless CMS Integration ✅SEO ✅Email Marketing ✅Mailchimp ✅HTML5/XTHML, CSS3, SCSS, SASS, Bootstrap ✅Cross-browser compatibility testing in all major browsers ✅Google Page Speed Insights Score Improvement ✅Mobile testing ✅MySQL database ✅AWS ✅Linux Servers My journey is focused on making a positive impact on the world, addressing its challenges, supporting others' growth, and building a future where kindness, honesty, truth, and progress define true success.
Browser Extension
EcommerceEcommerce Website DevelopmentWordPress DevelopmentAPI IntegrationMySQLCMS DevelopmentWebsite MigrationWebsite CustomizationWeb DesignWeb DevelopmentWebsite RedesignJavaScriptPHPWordPressDrupal - $90 hourly
- 5.0/5
- (299 jobs)
Your time is valuable, and chrome extensions are amazing at saving time. I have developed hundreds of chrome extensions that were used by hundreds of thousands of people. Check out vlasb.com for video testimonials and links to examples of chrome extensions I created. Do you have a business with employees who waste time on repetitive tasks? - I can create a custom chrome extension for internal use that your team will love. Do you have an idea for a chrome extension that will solve a specific problem for a specific audience? - I can help you create a robust MVP with Stripe integration that will help you understand if there is real interest in your idea and if it can turn into a real business. Do you have a SaaS with existing customers who need chrome extension features, and your team has no experience with browser plugins? - I can help you set up a build and test system that incorporates all the best chrome extension practices or guide and teach your front end development team towards the right path. Do you have an existing chrome extension, but your current developer does not have a lot of experience the field of browser plugins? - I can help you right the ship with some expert advise and best practices that I've learned from ten years of experience in plugin development and hundreds of published web extensions.
Browser Extension
AutomationFirefox Plugin DevelopmentAPICSS 3HTML5JavaScriptjQueryGoogle Chrome ExtensionCSSVue.js - $30 hourly
- 4.7/5
- (32 jobs)
🟢 Extensions: Google Chrome Extension, Mozilla Firefox Extension, Data Scraping, Web Automation. 🟢 Front-end: React JS /Redux / Next / Gatsby /JavaScript / TypeScript / HTML5 / CSS3/ Tailwind CSS/ Bootstrap and a lot of relative libraries and technologies. 🟢 Back-end: NodeJS /NestJs/ ExpressJS / MongoDB / Mongoose / REST API / Graphql/ Firebase 𝐀 𝐌𝐄𝐑𝐍 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟔+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞. I've made highly scalable systems that can perform very well under massive usage. Delivering high-quality software and achieving the timelines is something I can be proud of. I have developed web applications in crypto, healthcare, tourism, marketing, advertising, digital signage, dating, marketplace, hotel, delivery, personal portfolio, auto, game, and other industries. I pride myself on providing frequent, professional, and amicable communication, respecting timeframes, aiming to think outside the box, and helping clients to build successful products. 💻 6+ years in software development ⏱️ Delivery in a timely manner. Focused on results instead of hours 💼 About 100 of completed projects 💬 Clear, friendly and professional communication 🗓️ Full-time engagement
Browser Extension
Web DevelopmentAPICSS 3Data ScrapingHTML5Web ApplicationNode.jsPlugin DevelopmentAutomationjQueryAPI IntegrationGoogle Chrome ExtensionJavaScriptReact - $60 hourly
- 5.0/5
- (348 jobs)
I am a computer engineer and a full time freelancer as a Full Stack Web Developer. And an "Expert-Vetted" developer on Upwork After I got my first project as a freelancer I realized that this is what I wanted to do. Looking over the projects I have completed and my clients' feedbacks means a lot to me and always keeps me going. As much as I like to create long working relations with my clients, I am always eager to work with new clients. I believe the best thing I gained over my vast experience is the ability to work out of my comfort zone. If I don't know something that doesn't mean I can't do it. That being said here is a summary of my experience and technical skills in web development: • Frameworks: Vuejs, Laravel (PHP) • Javascript, TypeScript, Jquery, AJAX • HTML 5, CSS 3, .LESS, Tailwind and Bootstrap • AWS, Serverless AWS, lambda, cognito, CI/CD pipeline • Firebase, Cloud functions, GCP • Wordpress, Wordpress plugins: Woocommerce
Browser Extension
StripeFirebaseTailwind CSSAPI IntegrationBootstrapGoogle Chrome ExtensionVue.jsNode.jsPHPTypeScriptWeb DevelopmentLaravelMySQLWordPress - $40 hourly
- 4.9/5
- (52 jobs)
Welcome to my profile! I'm a seasoned Web Developer with 15+ years of hands-on experience. I specialize in browser extension development and excel in crafting innovative solutions. My versatile skill set covers a spectrum of technologies, ensuring your projects are in capable hands. 🚀 Browser Extension Development: Chrome, Firefox, Safari, Edge I'm your go-to expert for crafting powerful browser extensions. Whether it's Chrome, Firefox, Safari, or Edge, I've mastered them all. From seamless integrations to web scraping, DOM manipulation, and database handling, I've got you covered. 🔥 JavaScript Maestro & PHP Guru With an extensive background in JavaScript including Node, Express, React and PHP, I'm well-equipped to create dynamic, efficient, and user-friendly solutions. My 15 years of PHP experience guarantees tailored, top-quality results. Moreover, I am a certified MERN stack developer. 🎨 Shopify & WordPress Artisan For e-commerce excellence, I'm your solution. I specialize in crafting custom Shopify themes, versatile apps, and ensuring impeccable e-commerce journeys. In the WordPress realm, I create themes from scratch and breathe life into existing sites. 🌐 PHP Development Wizard I'm not just a PHP developer; I'm a wizard who can turn your ideas into reality. I'm proficient in frameworks like Laravel and CodeIgniter, and my skills extend to robust web applications, ensuring scalability and security. 🌟 Skills Snapshot: Browser Extensions: Chrome, Firefox, Safari, Edge Web Scraping | Web Automation | DOM Manipulation CRM & Analytics Extensions | Manifest V2 to V3 Migration JavaScript: Node.js, Express.js, React.js, Angular.js E-Commerce: Shopify, WooCommerce, Magento Project Management: Trello, JIRA, Notion, Asana, ClickUp 💼 Seamless Collaboration & Success Project management is at the core of my workflow. I'm adept at collaborating with teams and thrive on using tools like Trello, JIRA, and others to ensure projects are executed seamlessly and successfully. 🔑 Let's Connect If you're seeking a proven Browser Extension Developer, JavaScript Whiz, Shopify & WordPress Expert, or PHP Maestro, I'm your match. Expect top-notch solutions delivered promptly without compromising quality. Let's connect and make your projects shine!
Browser Extension
Full-Stack DevelopmentHTMLCSSReact NativeFirefox Plugin DevelopmentLaravelGoogle Chrome ExtensionWordPressBootstrapRESTful APIMySQLNode.jsPHPJavaScript - $40 hourly
- 4.9/5
- (30 jobs)
With over 5 years of experience in web development and 2+ years of freelancing on Upwork, I’ve honed my skills to deliver high-quality, impactful solutions for clients worldwide. Whether it’s building SaaS applications, crafting seamless frontend experiences, or engineering robust backend systems, I thrive on tackling complex challenges and delivering results that exceed expectations. 💡 Why Work With Me? ✅ Versatile Expertise: From Full-Stack web development to browser extensions and Telegram bots, I bring a wide range of technical skills to the table. ✅ Quick Adaptability: I can dive into new codebases swiftly and make a powerful impact in a short time. ✅ Clear Communication: Clients consistently praise my ability to explain technical issues, provide transparent progress updates, and ensure smooth collaboration. ✅ Dedication to Quality: I take pride in my work and am committed to delivering top-notch solutions that respect your trust and investment. 🌟 What I Bring to Your Project I’m not just a developer—I’m a reliable partner who’s passionate about helping you achieve your goals. Whether you need a standalone project completed or a skilled addition to your team, I’m here to make the process seamless and stress-free. 💬 Let’s Build Something Amazing Together! I’m ready to bring your vision to life with creativity, precision, and dedication. With me, you’re not just hiring a developer—you’re gaining a trusted collaborator who’s invested in your success. 📩 Reach out today, and let’s discuss how I can help you achieve your goals!
Browser Extension
ReactGitWeb ScrapingGoogle Chrome ExtensionNode.jsPostgreSQLMySQLTailwind CSSMongoDBExpressJSWeb DevelopmentHTMLJavaScriptCSS - $40 hourly
- 5.0/5
- (48 jobs)
💻 My greatest strengths are my extensive experience and deep expertise in React development and Project Management. I’ve successfully completed numerous projects using React for both web and mobile applications and am committed to continuously enhancing my skills. Here are some key metrics showcasing my professionalism: ⭐ 11,000+ hours worked on Upwork ✅ 70+ successfully executed projects 🔧 Excellent troubleshooting skills 🏆 Exceptional Top Rated Plus engineer 👍 70+ satisfied customers Focusing on React, I deliver high-performance front-end applications and full-stack solutions, leveraging my skills in API integration, automation, and mobile development. Whether creating dynamic web applications or building mobile apps, I provide efficient and scalable solutions. I am proficient in a wide array of technologies, including: 🚀 Key Skills: ⚛️ React, React Native, Redux, JavaScript, Node.js, API Integration 🌐 Full-Stack Development, Web Development, API Integration 🛠️ MongoDB, Express.js, AngularJS, Web3.js, PHP, WordPress 📱 Mobile Development (iOS, Android, Flutter), Firebase, Automation 💻 TypeScript, CSS, HTML, PHP, AI App Development 🤖 Google Chrome Extensions, Hybrid App Development ☁️ Microsoft SQL Server, Microsoft Graph API, Python 📈 SEO, GitHub, ChatGPT API Integration Keywords: Mobile App Development, Android, Android App Development, Dart, Expo.io, Firebase, Firetime Realtime Database, Flutter, FlutterFlow, Hybrid App Development, In-app Purchases, iOS, iOS Development, Java, Kotlin, Native App Development, Push Notifications, React Native, Swift, User Authentication, UX Design. Web Development: React, React.js, Redux, TypeScript, UI/UX Design, AngularJS, API, CSS, Debugging, Express.js, Firebase, GitHub, Google Cloud Platforms, HTML, JavaScript, PHP, PostgreSQL, Web Development, WordPress. Full-Stack Development: API Development, Backend, CSS, Dart, Express.js, Full-stack Development, MongoDB, Node.js, PHP, Push Notifications, Redux, Vuex. AI Development: AI App Development, AI Model Integration, AI Text-to-Speech, ChatGPT API Integration, Machine Learning. I thrive in agile environments, delivering high-quality results and collaborating effectively with cross-functional teams. My deep knowledge of React and full-stack technologies allows me to create solutions tailored to your business needs. If you're looking for a reliable, detail-oriented developer, I'm your go-to expert. 🌟 Check out my portfolio, work history, and client reviews to see my reliability! When you're ready, just send me an invite, and I’ll be happy to help you bring your dream app to life—one that not only generates revenue but is also something you’ll be proud of! 🚀💼
Browser Extension
JavaFlutterAPIFront-End DevelopmentBack-End DevelopmentMobile App DevelopmentReact NativeArtificial IntelligenceAPI IntegrationJavaScriptReactMongoDBWeb DevelopmentFull-Stack DevelopmentNode.js - $30 hourly
- 5.0/5
- (55 jobs)
Greetings! I'm delighted to introduce myself as an experienced Full Stack Developer, AI Chatbot Developer, Web Developer and Mobile Application Developer. My expertise lies in creating exceptional consumer apps, robust e-commerce solutions, and intelligent AI Chatbots, ChatGpt Integration, and LLMs. I have worked with Image Processing Algorithms and developed Generative AI Apps. My Expertise: 🚀 5 Million Users App Builder: I have successfully developed and launched a consumer app that has garnered a massive user base of over 5 million. My Impressive Skillset: Front-end: React Native, NextJs 14, Reactjs, HTML5, CSS3, JavaScript, TypeScript Back-end: Node.js, Express.js, MongoDB, MySQL, Firebase, RESTful APIs AI & ML: ChatGPT, BERT, Stable Diffusion, TensorFlow, AI Chatbot, Generative AI, Image Processing, PyTorch, Natural Language Processing (NLP), Bard E-commerce: Shopify, WooCommerce, Magento DevOps: Docker, Kubernetes, AWS, Azure, CI/CD Tools: Git, Github, Bitbucket, GitLab, Jira, Confluence, Visual Studio Code, NetBeans Let's Innovate Together: If you're looking for a seasoned Full Stack Developer who can bring your ideas to life, create high-impact consumer apps, design top-notch e-commerce platforms, or integrate cutting-edge AI technologies, look no further! I am thrilled to embark on a creative journey with you. Let's join forces to build remarkable applications that leave a lasting impression on your users. Reach out to me, and let's get started on crafting extraordinary solutions! 🚀🔥
Browser Extension
DockerMobile AppFront-End DevelopmentWeb3AWS AmplifyWeb ApplicationReactGatsby.jsNodeJS FrameworkNext.jsReact NativeFirebaseGraphQLMongoDBChatGPT - $70 hourly
- 5.0/5
- (99 jobs)
Always interested in new trends in the IT industry, keen on working on challenging projects using cutting-edge solutions. I'm also comfortable with project management, architectural design, requirements gathering and validation. Some of many different technologies I have experience with: *JavaScript *Chrome/Firefox/Opera/Edge browser extensions *Vue.js / Vuex / Vuetify *ChatGPT/Claude Sonnet/DeepSeek/Llama *NodeJS + Express *APIs creation/integration *DOM / API Scrapers and headless browsers (Nightmare.js, Puppeteer, PhantomJS) *HTML5 *CSS3 / LESS / SASS *jQuery *D3.js, DC.js, Chart.js *InboxSDK, gmail.js *TamperMonkey/GreaseMonkey scripting *Bootstrap *MySQL *MongoDB/Mongoose
Browser Extension
SQLFirefox Plugin DevelopmentGoogle Chrome ExtensionHTMLRESTful ArchitectureVue.jsCSSXMLNode.jsJavaScriptAutomation - $12 hourly
- 3.9/5
- (59 jobs)
🏆Upwork Rewarded Me By Dedicated TOP RATED PLUS ➕ Badge 🏆 🔰 9 Years Experienced on Themeforest Templating 🔰 Experienced Front end Developer 💎 Providing best quality working honestly ⌚ 7700+ Working Hours I am a client-focused Front-end developer with 8 years experience and out of the box solutions. So if this is your first time working with me. Be assured you'll get best possible service and we will do whatever possible to give you maximum value for your time and money spent. I'm always open to interesting projects, so, please, don't hesitate to contact me and you will not be disappointed. ⇒ Professional / Attractive Coding, Validate code, Responsive on all devices. ⇒ Great Communication. ⇒ Fully Responsive / Mobile Friendly web Design. ⇒ Instructions on how to use your website. ⇒ One Stop Solution for your HTML5 Template creation needs. ⇒ HTML to WordPress, or HTML to Custom PHP ⇒ HTML5, CSS3, Latest Bootstrap, ⇒ HTML5, Tailwind CSS, ⇒ Web site designing I look forward to working with you and bringing your vision into a reality. Thanks, M. Farhan Ali
Browser Extension
XD to HTMLTailwind CSSCSS GridBootstrapPSD to HTMLTwitter/X BootstrapCustom Web DesignResponsive DesignCSS 3HTML5Adobe XDFigmaAdobe Photoshop - $36 hourly
- 5.0/5
- (112 jobs)
I help startups and businesses bring their SaaS ideas to life—fast. With over 15 years of experience, I’ve built 85+ MVPs and prototypes, helping founders launch, validate, and scale their SaaS products with confidence. Whether you're starting your SaaS from scratch or pivoting an existing product, I specialize in turning business goals into production-ready web applications. My stack of choice? Python + Django on the backend, React on the frontend, and PostgreSQL for solid data handling. I also integrate OpenAI/GPT-4 to deliver intelligent features like chatbots, content generation, or smart automation. 💡 Here are some case studies Dogvacay (Acquired by Rover 50M+ deal), we were involved from the day one CompTool built it from scratch, 1000+ clients at this moment FairyGodBoss built from scratch to series A round ReviewRamp helped the client from day one to the phase the business was sold for 4M I focus on clean architecture, clear communication, and business outcomes—not just code. If you need a reliable technical partner to build your SaaS platform, MVP, or AI-enabled prototype, let’s talk. 📈 Let’s build something that moves the needle for your business. Here is the complete list of technologies we use 1. Backend: Python frameworks: Django Flask Desktop apps using pyqt tkinter Kivy Ruby frameworks: Ruby on Rails PHP Frameworks: CakePHP Zend Yii Symfony CodeIgniter Laravel 2. DB: MySQL MongoDB PostgreSQL SQLite 3. Front end: HTML/HTML5/XHTML Twitter Bootstrap CSS/CSS3 LESS SASS Compass 4. JavaScript: React.js Angular Node.js express.js webSockets Backbone.js jQuery CoffeeScript Grunt.js PrototypeJS UnderscoreJS 5. APIs: Payment APIs: PayPal , Stripe , Authorize.net , WePay Mailing APIs: MailChimp , Mailgun , SendGrid, Mailjet , Click2Mail Mapping API: Google Maps , Bing , Mapbox Voximplant API Rest API development Social APIs: Google , Facebook , Twitter, Instagram , Linkedin 6. Mobile: iOS: ObjectiveC, Swift, SwiftUI, RxSwift, Swinject Android: Java, Kotlin, RxJava, Dagger 2, Koin ReactNative: ReactNative, ReactNative/expo, Redux, Reanimated Flutter 7. QA Automation: Selenium WebDriver , TestNG , cypress , Appium , Apache JMeter(for stress and load testing) , Postman(for API testing), Swagger(for API testing) QA Manual: Black box testing testing, Test case creation and execution(Testlink), Gray Box testing(PostgreSQL, MySQL), API testing(Postman,Swagger), Performance testing(Jmeter,BlazeMeter), Stress testing(Jmeter,BlazeMeter), Load testing(Jmeter,BlazeMeter). 8. Project Management tools: Agile/Scrum, Jira, Asana, Trello, Pivotal ... (Flexible to use whatever you prefer) 9. UI/UX, Graphic Design, Product Design , Photoshop , Adobe Illustrator , Sketch 10. Caching: Memcache, Varnish, Redis, custom caching systems 11. Messaging: Twilio , RabbitMQ 12. Amazon: CloudWatch, SES, S3, Lambda, Elastic Beanstalk, Elastic Cache, Route 53, RDS, Amazon Product Advertising API, VPC (Virtual Private Cloud), EC2, API Gateway, CloudFront 13. Amazon advanced We have been working with AWS for around 5years now. We have worked with EC2, Elastic Beanstalk, ElastiCache, RDS, Code Pipeline, Route53, S3, EBS, CloudFront, Api Gateway, CloudWatch, CloudFormation, IAM users and roles, Cognito, Elasticsearch, SQS, SNS (both for SMS and push notifications), SES, AWS lambda, AWS VPC For DevOps stuff, we use Jenkins, Teamcity, AWS Code Pipeline, Gradle, Maven, Git, Docker, Kubernetes and Ansible, Heroku (Postgresql, redis, cloudamqp). CI/CD: We have worked with CI/CD implementations using Jenkins, Teamcity(JetBrains), Azure pipeline, Bitbucket pipeline, AWS Code Pipeline, Gitlab CI. If no specific requirement is present, we prefer to work with TeamCity. 14. Firebase - We have used Firebase CLI, Firebase Authentication, Firestore, Cloud messaging, Crashlytics, Hosting, Dynamic linking, in-app messages, and a real-time database.
Browser Extension
Full-Stack DevelopmentProduct DevelopmentCustom Ecommerce Platform DevelopmentMinimum Viable ProductAmazon Seller CentralMachine LearningPythonFlaskReactDjangoChatGPTGoogle Chrome ExtensionSaaS DevelopmentSassWeb Application Development - $30 hourly
- 5.0/5
- (32 jobs)
Are you looking for a developer who can build high-performance, user-friendly Chrome extensions? I specialize in Chrome extension development using TypeScript and React to create dynamic, feature-rich extensions tailored to your needs. With a strong focus on frontend development, I ensure that your extension is not only functional but also provides a seamless and engaging user experience. My expertise includes writing automated tests to guarantee the reliability and stability of your extension. I am dedicated to delivering high-quality solutions that align with your business goals and enhance user satisfaction. From complex integrations to intuitive UIs, I bring both technical skill and creative problem-solving to every project. Let’s turn your vision into a powerful Chrome extension!
Browser Extension
MobxData MiningEnd-to-End TestingJestData ExtractionUnit TestingAPI IntegrationNode.jsJavaScriptHTML5ReactCSSCSS 3Google Chrome ExtensionjQuery - $50 hourly
- 5.0/5
- (65 jobs)
Hey there! I’m a Full-Stack Developer specializing in building high-performance web and mobile applications. With a focus on seamless user experiences and scalable architectures, I turn complex ideas into beautifully crafted solutions. 💼 $400K+ earned | 145+ successful projects | Top Rated Freelancer 🛠 What I Do Best: Custom Web Applications – Scalable and maintainable solutions tailored to your business needs. Cross-Platform Mobile Apps – High-performance apps using React Native and Flutter for iOS and Android. Backend Architectures – Reliable and efficient backend systems with Node.js and Express. Real-Time Applications – WebSocket integration for live updates, messaging, and interactive experiences. Cloud Solutions & DevOps – Scalable cloud infrastructure on AWS and Google Cloud, CI/CD pipelines. 🔥 Tech Stack That Delivers Results: 🖥️ Frontend Mastery In React.js – 9 years In Next.js – 7 years In Vue.js – 6 years In TypeScript – 8 years In Tailwind CSS / Material-UI – 7 years ⚙️ Backend Powerhouse In Node.js – 10 years In Express.js – 9 years In MongoDB – 8 years In PostgreSQL / MySQL – 9 years In GraphQL – 7 years In RESTful APIs – 10 years 📱 Mobile Excellence In React Native – 8 years In Flutter – 7 years In SWIFT – 7 years In Kotlin – 6 years ☁️ Cloud & DevOps Solutions In AWS (EC2, Lambda, S3) – 9 years In Google Cloud – 8 years In Docker / Kubernetes – 9 years In CI/CD Pipelines – 6 years 🏆 Cool Projects I’ve Delivered: E-commerce Platform – Built a custom web and mobile solution with integrated payment systems, handling 100K+ daily users. Healthcare App – Developed a cross-platform mobile app with real-time chat and appointment scheduling for millions of users. SaaS Dashboard – Created a scalable admin dashboard with complex data visualizations and real-time analytics. Social Media App – Implemented a React Native app with live messaging, push notifications, and media sharing. 🚀 Why You Should Work With Me: 10+ years of Full-Stack Development – Proven track record in delivering robust and scalable solutions. Cross-Platform Expertise – Unified codebases with React Native and Flutter for iOS and Android. Performance-Driven Architecture – Fast, reliable, and maintainable systems with clean, modular code. Client-Centric Approach – I prioritize your business goals and ensure seamless communication throughout the project. All-in-One Solution – From frontend UI/UX to backend infrastructure and cloud deployment, I handle everything. 💡 Ready to build your next big project? Hit the Invite button, and let’s make it happen! 🚀 🔑 Skills & Technologies: Full-Stack Development React.js / Next.js / Vue.js React Native / Flutter Node.js / Express.js MongoDB / PostgreSQL / MySQL RESTful APIs / GraphQL TypeScript / JavaScript Tailwind CSS / Material-UI AWS / Google Cloud Docker / Kubernetes CI/CD Pipelines Cross-Platform Mobile Development
Browser Extension
Mobile App DevelopmentWindows AdministrationWeb DevelopmentBash ProgrammingVirtualizationSwiftAngularTerraformNode.jsLoad BalancingKotlinReact NativeDevOps.NET CoreAmazon Web ServicesLinux System AdministrationDockerReactNetwork AdministrationSymfonyLaravelService Cloud AdministrationKubernetes - $120 hourly
- 4.9/5
- (24 jobs)
Hello! I'm a full-stack web developer with over 10 years experience, ranging from creating a small script to enhance a site I use to developing comprehensive SaaS web applications. I take pride in writing code that is not only clean but also performant, adhering to best practices that ensure efficiency and maintainability. My approach to development centers on understanding client objectives and delivering results that exceed expectations. A few of my skills: - JavaScript, TypeScript, React, Redux, Tailwind, Material-UI, Bootstrap - Node.js, Supabase, Firebase What I can produce for you: - Websites and web apps - Chrome, Firefox, and Edge extensions (including Manifest V2 to Manifest V3 migrations) - Windows, macOS, and Linux desktop applications with Electron.js - Android and iOS apps with React Native
Browser Extension
Firefox Plugin DevelopmentStartup CompanySupabaseFirebaseElectronReact NativeGoogle Chrome ExtensionWeb DevelopmentWeb ApplicationNode.jsNext.jsReactJavaScriptTypeScript - $60 hourly
- 5.0/5
- (93 jobs)
Expert-Vetted Company with 100% Success Rate! ☑️ 10+ years of experience in the industry ☑️ Top Rated+ Freelancer on Upwork ☑️ Technology Expert ☑️ Software Development Expert ☑️ React, PHP, MySQL, HTML, CSS, Flutter, Java, Kotlin, Swift, .NET, C#, Deluge, Python Laravel, Angular, Node.Js, Vue.Js, Blockchain, Metaverse, NFTs, Moralis, Solana etc. ☑️ My Promise: To Always Deliver ☑️ 100% Job Success Rate ☑️ Top 1% on Upwork My team and I have built software products in partnership with Google, Dell, Napster, and US BANK Our agency can support any development project. There is no programming language that we do not support. We also do Zoho CRM and Zoho Creator development work. We're an Authorized Zoho Partner, listed on the Zoho Website We're quickly becoming to the go-to team for anything related to Blockchain, NFT's, Metaverse, Moralis, Solana etc. We remain up to date on all of the latest cutting edge things happening in technology. We're NOW positioning ourselves as the go-to organization for Ai, ChatGPT, DALL-E and ALL Machine Learning types of projects. No matter what is you want to create. We can Help You! We're here to provide Quality work at an Affordable Rate! So that everyone can focus on growing their businesses and leave the tech work to us. I'm US based with a team located all around the globe. Contact me today to discuss your next big project. -Paul Elliott
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BlockchainZoho CreatorMarketing StrategyZoho CRMASP.NETEnterprise Resource PlanningWordPressUX & UIPHPFlutterNode.jsReactiOS DevelopmentAndroid App DevelopmentReact Native - $85 hourly
- 4.7/5
- (44 jobs)
I'm a Senior Data Scientist who has worked on a range of AI, Machine Learning, and Cybersecurity projects including deep learning, forecasting, recurrent and convolutional neural networks, financial prediction tools, natural language processing models and much more. In addition, I also have full-stack development experience working with customers worldwide. I'm knowledgeable in technologies such as Python, Tensorflow, Pytorch, Scikit-Learn, Keras, JavaScript, ReactJS, NodeJS, Pandas Numpy, SQL, and much more. I have helped build AI projects in a range of sectors, web applications for startups, implemented DS models for e-commerce leading to higher sales performance and retention initiatives along with overall DS and AI related options for businesses of all sizes.
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Data AnalysisSecurity EngineeringBig DataArtificial IntelligenceMachine LearningData ScienceTensorFlowPythonJavaScriptPyTorch - $100 hourly
- 4.8/5
- (32 jobs)
Thank you for stopping by! As a computer science graduate with a Gold Medal, I have a deep passion for learning and staying up to date with the latest trends and technologies in the industry. I am constantly evolving as a student of something new all the time. My expertise lies in developing full-stack Blockchain Solutions, Mobile and Web Applications, Cloud Solutions, and active participation in research work for core computer science subjects. Here are my key skills and experience: - Developing full-stack Blockchain Solutions: I can help you with core network setup, architecture design, business logic implementation, and front-end and application design. - Developing full-stack Mobile and Web Applications: I have experience with trending stacks such as MERN and I am always eager to learn more. - Cloud Solutions: I have helped clients build their application infrastructure on both Amazon Web Services and Google Cloud Platform, providing a complete solution from ground up. - Academia: I am actively participating in research work for core computer science subjects such as Networking, Distributed Computing, and Blockchain Computing. I have also taught lectures on Blockchain Computing for various age groups. With my expertise and experience, I offer crystal-clear communication, high availability, free consultations over calls, and a friendly attitude towards my clients. Let's work together and make your project a success!
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Node.jsBlockchain ArchitectureReactBlockchainTRONAPI DevelopmentAPI IntegrationJavaScriptSmart ContractMobile App DevelopmentBlockchain DevelopmentAWS ApplicationDesktop Application - $45 hourly
- 4.8/5
- (19 jobs)
The reasons to work with me: Are you looking for a developer who can transform your vision into reality with precision and creativity? Look no further! With a passion for technology and a dedication to excellence, I bring a unique blend of skills and experience to the table. Let's embark on a journey to create something extraordinary together. Your success is my mission! Professional Skills and Technologies: Backend: NestJs, PostgreSQL, MongoDB, RabbitMQ, AMPQ Frontend: ReactJs (middle level with a strong backend focus), VueJS Web3: Experience with Web3js and various blockchain protocols, including TON, Ethereum, Cold Wallets, Hot Wallets etc My expertise spans a wide range of modern technologies, including NestJs, PostgreSQL, MongoDB, RabbitMQ, and AMPQ for backend development, as well as ReactJs and VueJS for creating intuitive and responsive user interfaces. In addition, I have significant experience working with Web3js and integrating various blockchain protocols such as TON and Ethereum. This enables me to develop innovative and secure decentralized applications. What I Offer: Excellence in Development: I adhere strictly to best practices and industry standards, ensuring robust, scalable, and maintainable code. Client-Focused Approach: I prioritize clear communication, timely delivery, and exceeding client expectations. Continuous Improvement: I am committed to staying updated with the latest trends and technologies to deliver cutting-edge solutions. Team Leadership: As a lead developer, I excel in guiding teams, fostering collaboration, and driving projects to successful completion.
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EthereumBrowser AutomationAmazon MWSAmazon Web ServicesPostgreSQL ProgrammingGoogle Chrome ExtensionMySQL ProgrammingJavaScriptMongoDBC++PostGISNode.jsPython - $50 hourly
- 4.9/5
- (37 jobs)
🌟 Throughout my career, I have guided teams to innovation and excellence. I have a proven track record of crafting robust system architectures that not only meet current demands but also anticipate future challenges. My expertise lies in translating complex technical concepts into tangible results, ensuring seamless collaboration and communication across diverse departments. 🤝 My collaborative nature extends beyond technical boundaries, as I actively engage with various departments to ensure a holistic approach to business strategies. This cooperative spirit has proven invaluable in identifying opportunities for synergy, enhancing overall efficiency, and achieving collective success. I find great satisfaction in contributing not just as a technical expert but as a strategic partner who considers the broader implications of decisions on the entire business landscape. 🚀 In summary, my journey reflects a commitment to technical excellence, leadership, and a holistic approach to business. I am not just a developer; I am a visionary collaborator who thrives on transforming challenges into opportunities, ensuring sustainable success for both clients and the organization. 🛠️ My expertise spans a wide array of technologies, including Node.js, TypeScript, and Golang. I excel in crafting scalable, efficient solutions that harness the power of cutting-edge frameworks like Express.js, React.js and Next.js.
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Tailwind CSSDockerRedisMicroserviceAPI DevelopmentMongoDBPHPJavaScriptMySQL ProgrammingBlockchainNode.jsRabbitMQReactLaravel - $20 hourly
- 5.0/5
- (41 jobs)
🚀 Top Rated Plus | ✅ 100% Job Success | 9+ Years of Full Stack Experience Hi, I’m Ali Haider — a Top Rated Plus Full Stack Developer with 9+ years of experience building secure, scalable, and high-performance web, mobile, and AI-powered applications. I partner with startups, SaaS platforms, and enterprise teams to bring digital products from idea to reality — with clean architecture and reliable code. Whether you’re building a product MVP, scaling a SaaS, integrating AI models, or modernizing a legacy system, I provide end-to-end solutions using modern, battle-tested technologies. 🛠️ Tech Stack & Expertise: 🔹 Backend: Ruby on Rails, Node.js, Python, Django, FastAPI 🔹 Frontend: React.js, Vue.js, Next.js, TypeScript, HTML5/CSS3 🔹 Databases: PostgreSQL, MySQL, MongoDB, Firebase, Redis 🔹 Mobile: React Native, Flutter (iOS & Android), Hybrid App Development 🔹 AI & Data: Python (TensorFlow, OpenAI, scikit-learn), LangChain, LLM APIs 🔹 Cloud & DevOps: AWS, GCP, Azure DevOps, Docker, CI/CD, Heroku 🔹 Other: Chrome Extensions, Web Scraping, REST & GraphQL APIs 🎯 What I Bring to the Table: ✅ End-to-End Full Stack Development – From system design to deployment ✅ Clean, Maintainable Code – Easy to scale, hand off, and build on ✅ Product-Focused Mindset – I help you make smart tech choices that align with business goals ✅ Seamless UI/UX – Pixel-perfect, mobile-first interfaces your users will love ✅ Cloud-Ready Infrastructure – CI/CD pipelines, scalable hosting, performance optimization ✅ AI Integration – Build or integrate AI features like chatbots, content generation, analytics & automation 🔒 Focused on Quality & Trust: - Transparent Communication – Clear timelines, no surprises - Fast Response Time – Typically within 30 minutes - Proven Delivery Record – 100% of projects delivered successfully 🏢 Industries I’ve Worked In: - FinTech & Banking Platforms - E-Commerce & Marketplaces - Healthcare & Medical Systems - Analytics Dashboards & BI Tools - SaaS & Enterprise Apps - Mobility, Travel & Ride-Sharing - Food Delivery & Logistics - AI/ML Platforms & Automation Tools Let’s build something extraordinary — whether it’s your first product or your next big release. 📬 Message me and let’s talk.
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MicroserviceAzure DevOpsVue.jsNode.jsNext.jsWeb3FirebaseDevOpsElasticsearchGraphQLMongoDBDjangoRuby on RailsReactPython - $50 hourly
- 5.0/5
- (25 jobs)
✅ Top 3% on Upwork ✅ Fluent English ✅ Professional & Trustworthy ✅ Result-Oriented 🌟 If I don't deliver as promised, you'll get every penny back, no strings attached. I'm a Top-Rated Plus Full-Stack Web Developer specializing in Django (Python) and React, known for delivering innovative solutions and resolving critical technical issues with expertise and efficiency. Tech Stack: ➔ Core: Python, Django, ReactJS, Django REST Framework, API Integrations ➔ Cloud: AWS EC2, S3, ECS, RDS, Heroku, Digital Ocean ➔ Databases: PostgreSQL, MySQL, Oracle, SQLite ➔ Front-end: ReactJS, Redux, Chakra UI, Bootstrap 5, HTML5, CSS3, JavaScript ⭐ Here's what I can bring to your project ⭐ ✅ Advanced Role-Based Authentication: Implementing robust systems using Django's Abstract User Model, JWT, and other authentication methods. ✅ Asynchronous Chat Systems: Developing real-time communication features with Django signals, React, Redux, and AJAX. ✅ Payment Gateway Integration: Seamlessly integrating Stripe, PayPal, and other gateways with Django applications, including webhook implementation. ✅ REST API Development: Crafting comprehensive REST APIs with Django REST Framework, incorporating user permissions and best practices for both function and class-based views. ✅ Scalable Hosting Solutions: Utilizing AWS S3, Digital Ocean, and other CDNs for efficient static file hosting, enhancing scalability and performance. ✅ Advanced Database Operations: Expertise in retrieving, filtering, aggregating, and managing data using Django ORM, including custom model managers and expression wrappers. ⭐ Why you should choose me over other freelancers ⭐ ✅ Someone who cares about helping you succeed and bringing value to your business. ✅ Client Reviews: I am committed to providing value and earning the trust of my clients, as reflected in my positive feedback and high ratings. ✅ Over-Delivering: I consistently exceed client expectations, ensuring a "WOW" experience with every project. ✅ Responsiveness: I maintain open communication channels, ensuring prompt responses and availability in the client's time zone. ✅ Responsibility: I take full ownership of my work, striving for continuous improvement and delivering high-quality results on time. ✅ Kindness: I treat every client with respect and empathy, fostering a collaborative and positive working relationship. 🏆 Reviews and feedback from high-profile clients 🏆 The client reviews below (also in my work history section) describe the quality of work and value that you can expect from working with me. ⭐⭐⭐⭐⭐ "High-level backend developer who takes an enormous amount of respect in his work which is rare. Ali takes a great deal of pride in what he does and unlike many considers his work and reputation more important than financial gain which is rare. He is someone to consider with the highest regard for a long-term project as he values team spirit and involvement in a successful outcome above all else. Thanks, Ali." ⭐⭐⭐⭐⭐ "He is amazing! The best freelancer I’ve worked with on UpWork. He successfully completed the tasks I gave him with smooth communication and in a timely manner. If you need something done right, hire him." ⭐⭐⭐⭐⭐ "Ali was a fantastic communicator. He stated his plan for work and consistently followed through on his plan. Ali's work was high quality. He was also very responsive to feedback and made updates in a timely fashion. He addressed all of the components of the job in a high-quality manner. I would not hesitate to work with him again."
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Amazon S3Amazon RDSBootstrapJavaScriptCSSHTML5Web DesignWeb DevelopmentDjango StackREST APIReactPythonDjango Want to browse more freelancers?
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