Senior Backend Engineer

MobDial; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Remote work across US/Europe

Job summary

MobDial is seeking a backend engineer to design and build scalable APIs and services that power real-time call routing. You will work on multi-carrier voice and messaging integrations, multi-tenant data systems, and robust background jobs.

You’ll own REST and WebSocket APIs, connect carriers, optimize PostgreSQL, and manage dialing/recording pipelines with BullMQ. This is a remote role for candidates in the US or Europe.

Qualifications

• 5+ years backend engineering with Node.js and TypeScript.
• Experience with PostgreSQL, Redis, and messaging queues.
• Comfort with CI/CD, Docker, and infrastructure-as-code.
• Strong written communication for async-first teams.

Responsibilities

• Architect REST and WebSocket APIs for call management.
• Build adapters connecting multiple carriers for voice and SMS routing.
• Design and tune PostgreSQL schemas for multi-tenant workloads.
• Own job pipelines for dialing, recording, and compliance tasks using BullMQ.
• Take part in on-call coverage and respond to production incidents.

Skills

Node.js

TypeScript

PostgreSQL

Redis

CI/CD

Docker

IaC

BullMQ

Tools

BullMQ

WebSocket

REST APIs

Job description

Role overview

Design and build backend APIs and services that support real-time call routing and high-volume event processing. The work spans multi-carrier voice and messaging integrations, tenant-aware data systems, and dependable background job pipelines.

Responsibilities

• Architect REST and WebSocket APIs for call management.
• Build adapters that connect multiple carriers for voice and SMS routing.
• Design and tune PostgreSQL schemas and queries for multi-tenant workloads.
• Own job pipelines for dialing, recording, and compliance tasks using BullMQ.
• Take part in on-call coverage and respond to production incidents.

Requirements

• At least five years of backend engineering experience with Node.js and TypeScript.
• Experience with PostgreSQL, Redis, and message queues.
• Comfort with CI/CD, Docker, and infrastructure-as-code.
• Strong written communication for an async-first team.

Nice to have

• Familiarity with VoIP technologies and protocols such as SIP, RTP, or WebRTC.

Benefits and work setup

• Full-time, remote role open to candidates in the US or Europe.