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Full Stack Developer React Node ( React Developer Node.js Developer ) for E-commerce site

Бюджет: $10.0 FIXED / ⭐ 4.99 (344) United States

mongodb, express-js, css, html, web-application, node.js, react-js, javascript, api-integration, api, web-programming

We are looking for an experienced and talented MERN Full Stack Developer to help us build and optimize a scalable, high-performing E-commerce Web Application. If you are a skilled developer who can build clean UI components, develop robust APIs, and integrate secure payment systems like Stripe and PayPal, we’d love to work with you! Key Responsibilities: Develop and maintain scalable, high-performance web applications using the MERN stack (MongoDB, Express.js, React, Node.js). Build responsive, pixel-perfect, and user-friendly frontend interfaces in React. Design and implement RESTful APIs using Node.js and Express.js. Manage MongoDB databases, optimizing schemas and queries for high efficiency. Integrate secure payment gateways, specifically Stripe API and PayPal SDK (Checkout, Subscriptions, Refunds, and Webhooks). Implement user authentication & authorization (OAuth 2.0 / JWT). Deploy, manage, and optimize cloud infrastructure on Amazon Web Services (AWS). Collaborate on system architecture, database design, and UI/UX implementation. Ensure application security, PCI-DSS compliance awareness, performance optimization, and cross-browser compatibility. Requirements & Qualifications: Strong proficiency in JavaScript (ES6+), HTML5, and CSS3. Deep hands-on experience with React.js, Node.js, Express.js, and MongoDB. Solid background in RESTful API development and third-party integrations. Demonstrated experience integrating payment gateways (Stripe & PayPal). Experience with Amazon Web Services (AWS) (S3, EC2, CloudFront, etc.). Prior experience in building E-commerce platforms (shopping cart, product filter, checkout process, admin dashboards, order management). Familiarity with version control systems (Git/GitHub). Good communication skills and ability to meet deadlines. Preferred (Nice to Have): Experience with Next.js or TypeScript. Understanding of CI/CD pipelines and Docker. If you have relevant experience in building modern E-commerce applications with payment gateway integrations, please submit your proposal along with examples or a portfolio of your previous work!
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