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Senior / Staff Backend Engineer – Core Platform

Toronto, ON

Full time

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Public opening managed by Calliere Group. You can apply directly through RBB without creating an account, or view the original posting.

Recruitment agency:
Calliere Group
Location
Toronto, ON
Work model
Hybrid
Employment type
Full time
Experience level
Not publicly disclosed
Department
Not publicly disclosed
Function
Not publicly disclosed
Industry
Technology / Data infrastructure
Published
2026-08-19

Role description

Senior backend/platform role at a rapidly scaling Toronto B2B infrastructure startup. The team aggregates and standardizes high-volume IoT and sensor data for enterprise clients and needs engineers to shape its distributed API platform.

Responsibilities

  • Design and deploy scalable backend services and public APIs on AWS.
  • Build resilient integration layers for complex third-party data sources.
  • Develop orchestration, authentication and monitoring components.
  • Work directly with enterprise customers on integration strategy and technical roadblocks.
  • Improve engineering standards and automated development tooling.

Qualifications

Profile

  • Deep experience with large-scale distributed systems and APIs.
  • Strong TypeScript and Node.js production experience.
  • Track record integrating difficult external APIs and data pipelines.
  • Comfort working directly with enterprise customers.
  • AWS event-driven/serverless architectures, workflow orchestration and JVM exposure are assets.

Additional information

Downtown Toronto with approximately four office days per week. Compensation advertised up to C$300,000+ plus comprehensive benefits, wellness/professional-development stipends and four weeks of paid time off.

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Similar opportunities

Public opening managed by Calliere Group. RBB receives direct applications for sharing with the recruiter or agency responsible for the opening. Original posting