Senior Full Stack Integration Engineer – BigCommerce / AWS - LATAM ONLY

Do not contact outside of Upwork. We're looking for a Senior Full Stack Engineer with strong experience in BigCommerce, AWS, and enterprise integrations to join an international eCommerce project. - Required Experience 5+ years of software development experience BigCommerce (Stencil and/or Headless) Next.js React TypeScript Tailwind CSS Node.js REST APIs GraphQL AWS -Integration Experience We're especially looking for engineers with experience integrating commerce platforms with third-party systems, including: Tray.ai Celigo Payment gateways ERP integrations CRM integrations Webhooks Authentication & SSO Data synchronization - Nice to Have Salesforce Commerce Cloud Shopify Vercel PostgreSQL CI/CD pipelines -Responsibilities Develop modern eCommerce applications. Build and maintain integrations between commerce platforms and external services. Design scalable backend services and APIs. Troubleshoot production issues. Collaborate with international engineering teams. -We're Looking For Someone Who Can work independently. Has excellent problem-solving skills. Writes clean, maintainable code. Communicates fluently in English. Engagement Details