Backend Developer (E-Commerce & API Integration) Job Title: Backend Developer (E-Commerce & API Integration) Location: Sector 62, Noida (Walk-in from Metro Station) Job Type: Full-time (WFO) Experience: 4-7 years Industry: IT Services, E-Commerce, SaaS Job Overview: We are looking for a skilled Backend Developer with expertise in Custom CMS, OneCart and Payment API development, payment gateway integration, cloud infrastructure, and e-commerce solutions. If you are passionate about scalable, secure, and high-performance applications, this is the perfect role for you. Key Responsibilities:Backend Development & API Integration Develop, maintain, and optimize server-side applications using Node.js, Java, Python, or Ruby on Rails Design and implement 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 Database Management & Optimization Design and manage 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 Payment Gateway & E-Commerce Development Integrate payment gateways (Stripe, PayPal, Razorpay, Square) ensuring PCI-DSS compliance Develop and optimize e-commerce platforms (Shopify, Magento, WooCommerce, custom solutions) Implement cart, checkout flows, order management, and transaction security measures Frontend Collaboration & Integration Work closely with frontend developers (React.js, Angular, Vue.js) to ensure seamless API integration Develop and optimize server-side rendering (SSR) and dynamic content loading Implement authentication systems using OAuth, JWT, and SSO 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 Required Skills & Technologies: Backend Development: Node.js, Python, Java, PHP, Ruby on Rails Frontend Technologies: React.js, Vue.js, Angular (for integration) Database Management: MySQL, PostgreSQL, MongoDB, Firebase APIs & Authentication: RESTful APIs, GraphQL, OAuth, JWT Payment Gateway Integration: 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/Master’s degree in Computer Science, IT, or a related field 4-8 years of experience in backend development, API integration, and e-commerce solutions Experience with high-traffic applications, cloud hosting, and payment gateway integration 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 with performance-based incentives If you are passionate about backend development and building secure, high-performance applications, apply now. Apply Now or share this opportunity with your network. Show more Show less