Backend Developer with Frontend Knowledge & E-Commerce Expertise Location: Sector 132, Noida Job Type: Full-time Experience: 3-7 years Industry: IT Services, E-Commerce, SaaS, FinTech Job Overview: We are looking for a Backend Developer with expertise in frontend technologies, payment gateway integrations, and e-commerce development . The ideal candidate should have strong programming skills, experience in developing scalable web applications, and knowledge of integrating APIs, third-party services, and cloud platforms. Key Responsibilities: 1. Backend Development & API Integration Develop, maintain, and optimize server-side applications using Node.js, Python, Java or Ruby on Rails Design and develop RESTful and GraphQL APIs for seamless frontend-backend communication Integrate third-party services and APIs including payment gateways, authentication systems, and cloud services Ensure high availability, performance, and security of backend applications 2. Database Management & Optimization Design and optimize relational (MySQL, PostgreSQL) and NoSQL (MongoDB, Firebase) databases Implement database indexing, caching strategies, and query optimization Develop and maintain data pipelines for real-time and batch data processing 3. Payment Gateway & E-Commerce Development Integrate payment gateways (Stripe, PayPal, Razorpay, Square, etc.) ensuring PCI-DSS compliance Develop and optimize e-commerce platforms (Shopify, Magento, WooCommerce, custom-built solutions) Implement cart, checkout flows, order management, and transaction security measures 4. Frontend Collaboration & Integration Work closely with frontend developers (React.js, Angular, Vue.js) to ensure smooth API integration Develop and optimize server-side rendering (SSR) and dynamic content loading Implement authentication (OAuth, JWT, SSO) and user authorization systems 5. DevOps, Security & Performance Optimization Deploy and manage applications on AWS, Google Cloud, Azure, or other cloud platforms Set up CI/CD pipelines (Jenkins, GitHub Actions, Docker, Kubernetes) for automated deployment Implement security best practices for data protection, API security, and compliance Optimize backend performance for high-traffic applications Key Skills Required: Backend Languages: Node.js, Python, Java, PHP, Ruby on Rails Frontend Technologies: React.js, Vue.js, Angular (for integration purposes) Databases: MySQL, PostgreSQL, MongoDB, Firebase APIs & Integrations: RESTful, GraphQL, OAuth, JWT Payment Gateways: Stripe, PayPal, Razorpay, Square E-Commerce Platforms: Shopify, Magento, WooCommerce Cloud & DevOps: AWS, Google Cloud, Docker, Kubernetes Security & Performance: PCI-DSS compliance, authentication protocols, server security Qualifications & Experience: Bachelor's/Masters degree in Computer Science, IT, or related field 3-7 years of experience in backend development, API integration, and e-commerce solutions Experience with high-traffic applications, payment gateway integration, and cloud hosting Ability to work in fast-paced, agile development environments Why Join Us? Work on cutting-edge e-commerce and SaaS projects Be part of a global team working on scalable applications Opportunity to innovate and optimize high-performance systems Competitive salary + performance-based incentives If you're passionate about building scalable, secure, and high-performance backend solutions , apply now!