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 Responsibilities
Design and implement scalable backend services using Node.js and TypeScrip...