Full-Stack Developer – Payment Gateway Integration

Job Description: We are seeking an experienced Full-Stack Developer to integrate a secure payment gateway into our web application. The ideal candidate should have experience with payment APIs, backend development, frontend integration, and security best practices. Responsibilities: Integrate payment gateways such as Stripe, PayPal, Razorpay, Square, or similar. Implement secure payment processing and checkout flows. Handle payment callbacks, webhooks, refunds, and transaction status updates. Ensure PCI-compliant and secure payment handling. Test and troubleshoot payment workflows. Collaborate with the team to deploy and maintain the integration. Required Skills: Frontend: React, Angular, Vue.js, or similar. Backend: Node.js, Python, PHP, Java, .NET, or Laravel. Experience with REST APIs and payment gateway SDKs. Knowledge of databases (MySQL, PostgreSQL, MongoDB). Familiarity with authentication, encryption, and web security. Experience with cloud deployment (AWS, Azure, or Google Cloud) is a plus. Preferred Experience: Previous payment gateway integrations (Stripe, PayPal, Razorpay, Adyen, etc.). Experience with subscriptions, recurring billing, and webhook handling. Knowledge of PCI DSS compliance. If you're hiring on a freelance platform, you can also mention: Project type: One-time integration or ongoing support. Budget: (Specify your range.) Timeline: (Specify your deadline.) If you tell me which payment gateway (e.g., Stripe, PayPal, Razorpay, Authorize.Net) and which tech stack (React, Next.js, Node.js, Laravel, Django, etc.) you're using, I can tailor the job description accordingly.