Senior Node.js Backend Engineer (APIs & Integrations)-English Required

This role focuses on designing, implementing, and maintaining robust, scalable backend systems using Node.js, APIs, and event-driven architectures. Responsibilities include building scalable backend services, robust APIs, integrations between SaaS platforms, ERPs, and internal systems, implementing event-driven flows (webhooks, retries, idempotency), and contributing to authentication/authorization flows (OAuth2, JWT, API keys). Requires 4+ years of production backend experience with integrations and distributed architectures, strong Node.js experience, API work, and advanced English.