Senior Platform Engineer/ High Growth

Toronto, ON
Hybrid
Posted Oct 8, 2026
1 position

US$190,000–US$220,000 / year

Opens LinkedIn

Employment type: Full-time
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week
Office presence: 3 days per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Build and scale reliable cloud infrastructure and platform architecture using production-grade software, automation, and infrastructure as code. Own observability, CI/CD, incident response, performance, and capacity planning while collaborating with product engineering teams.

Job details

A high-growth technology organization building mission-critical reliability and incident-response software is looking for a Senior Platform Engineer to help scale the infrastructure behind its platform. This is a software-engineering-focused infrastructure role for someone who enjoys solving reliability, performance, scalability, and developer experience challenges through production-grade code and automation. You’ll have significant ownership across cloud infrastructure, observability, CI/CD, incident response, and platform architecture while partnering closely with product engineering teams. The environment includes AWS, Terraform, Ruby, Go, PostgreSQL, Redis, Kafka, DynamoDB, and serverless technologies. This role follows a hybrid model with 3 days per week onsite in Downtown Toronto. Required Skills & Experience 5+ years of experience across Platform Engineering, SRE, DevOps, or Infrastructure Engineering, combined with significant production software development experience and the ability to build maintainable tooling beyond shell-based automation. Strong hands-on experience with AWS cloud infrastructure and Infrastructure as Code using Terraform, with a solid understanding of distributed systems, production web or RPC services, scalability, and reliability engineering. Deep knowledge of observability, monitoring, incident response, CI/CD, performance optimization, SLOs, error budgets, and the operational practices required to support highly available production environments. Desired Skills & Experience Experience building production software or infrastructure tooling with Ruby and/or Go, ideally while working directly within product engineering teams. Experience operating distributed data and messaging technologies such as Kafka, PostgreSQL, Redis, DynamoDB, and AWS Lambda in production environments. Strong capacity-planning and systems architecture experience, with the ability to identify cross-platform performance, resilience, and scaling risks before they become production issues. Daily Responsibilities Hands-On Engineering: 70% Team Collaboration & Cross-Functional Work: 30% You Will Receive The Following Benefits Medical, Dental, and Vision Insurance Vacation Time Current Vacancy: Yes Use of AI in Hiring: No Applicants must be currently authorized to work in Canada on a full-time basis now and in the future. Accommodation will be provided in all parts of the hiring process as required under Motion Recruitment’s Employment Accommodation policy. Applicants need to make their needs known in advance. Posted By: Adrian Cronk

What you’ll do

Requirements

Requires 5+ years of experience in platform engineering, SRE, DevOps, or infrastructure engineering, along with substantial production software development experience. Candidates should have hands-on AWS and Terraform experience, strong knowledge of distributed systems and reliability practices, and familiarity with observability, incident response, CI/CD, and production data or messaging technologies.