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PlatformRemote (US/EU)Full-time

Senior Backend Engineer

Design and build the core APIs and services that power MobDial. You will work on real-time call routing, carrier integrations, and high-throughput event processing using NestJS, PostgreSQL, and BullMQ.

Responsibilities

  • Architect and implement RESTful and WebSocket APIs for call management
  • Build multi-carrier adapter integrations for voice and SMS routing
  • Design and optimize PostgreSQL schemas and queries for multi-tenant data
  • Own BullMQ job pipelines for dialing, recording, and compliance checks
  • Participate in on-call rotation and incident response

Requirements

  • 5+ years backend engineering with Node.js / TypeScript
  • Experience with PostgreSQL, Redis, and message queues
  • Understanding of VoIP protocols (SIP, RTP, WebRTC) is a strong plus
  • Comfortable with CI/CD pipelines, Docker, and infrastructure-as-code
  • Strong written communication skills for async-first team