Senior Backend Engineer – Node.js

We are looking for a highly technical Senior Backend Engineer to design, build, and scale robust, distributed, multi-tenant backend systems in high-performance production environments.

This role is focused on real backend engineering, system architecture, and full ownership across the development lifecycle — from technical design to production deployment.

You will work closely with Product, AI, and Platform teams to build scalable and resilient backend infrastructure capable of supporting real customers and large-scale event-driven systems.

What You’ll Build

• Production-grade scalable REST APIs
• Multi-tenant architectures with secure data isolation
• High-availability distributed systems
• Event-driven and webhook-based pipelines
• Backend integrations with AI/ML services
• Usage-based billing and credit systems
• Scalable backend infrastructure on AWS

Key Responsibili...