Backend Platform Engineer - Real-Time Auth & Integrations

Devconnectplatform; Canada; Remote; CAD 120,000 - 160,000; Full time

Benefits offered by this job

Medical, dental, and vision plans

Paid parental leave

Health & Wellness allowance

Work from home stipend

Lunch reimbursement

Job summary

Cresta is seeking a Senior Backend Engineer for the Platform Team to build scalable, real-time backend services that power enterprise integrations. You will design and optimize the authentication stack, and ensure secure, low-latency data paths across chat and email integrations.

You will work with frontend, ML, and infra teams to deliver robust auth and agent-assist capabilities for enterprise customers in a remote-first environment.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• 5+ years of experience building scalable backend systems.
• Experience with REST and gRPC APIs.
• Experience with Kubernetes and Docker.
• Cloud platforms knowledge: AWS, GCP, or Azure.

Responsibilities

• Architect systems for real-time conversation state and session lifecycle.
• Lead agent assist integration (chat and email) with frontend platforms.
• Ensure high availability, low latency, and observability.
• Collaborate with product and engineering teams on platform improvements.

Skills

Backend systems

Distributed systems

REST APIs

gRPC

CCaaS integrations

Authentication engineering

Real-time communications

Cloud platforms (AWS/GCP/Azure)

Education

Bachelor’s degree in Computer Science or related field

Tools

Kubernetes

Docker

AWS

GCP

Azure

Job description

Cresta is seeking a Senior Backend Engineer for the Platform Team to build scalable, real-time backend services that power enterprise integrations. You will design and optimize the authentication stack, and ensure secure, low-latency data paths across chat and email integrations.

You will work with frontend, ML, and infra teams to deliver robust auth and agent-assist capabilities for enterprise customers in a remote-first environment.