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Senior Platform & Reliability Engineer

Build scalable, automated deployment pipelines for cloud infrastructure
Kitchener, Ontario, Canada
Senior
$190,000 USD / year
3 days ago

Platform/Site Reliability Engineer

We're looking for an experienced Platform/Site Reliability Engineer to help evolve and expand our engineering foundation. In this role, you'll ensure our systems remain robust, scalable, and efficient, while creating the tooling and automation that empower our development teams to move faster and more effectively.

This position is central to shaping our platform roadmap, driving best practices, and implementing solutions that support both developer experience and operational excellence.

Key Responsibilities

Infrastructure & DevOps

  • Architect, build, and maintain resilient infrastructure that supports diverse engineering initiatives.
  • Guide adoption of scalable patterns to improve reliability and cost efficiency.

Deployment & Release Management

  • Refine CI/CD pipelines with AWS CDK to accelerate safe and automated delivery.
  • Develop tooling for deployments and database migrations to reduce friction in release processes.
  • Enhance visibility into delivery cycles and streamline rollout workflows.

Reliability & Observability

  • Design and support monitoring frameworks, log aggregation, and alerting systems.
  • Proactively identify and resolve issues to maintain uptime and service quality.

Internal Developer Experience

  • Build productivity tools that shorten feedback loops and automate repetitive tasks.
  • Champion practices that improve engineering velocity across teams.

Security & Governance

  • Embed strong security practices into infrastructure and operational processes.
  • Support compliance initiatives across standards such as SOC, ISO, and GDPR.

We're Looking For

  • 7+ years total professional experience, with 5+ years focused on reliability, infrastructure, or platform roles. Experience in startup environments is a plus.

  • Strong background in AWS, with deep knowledge of container-based services (Fargate, Kubernetes).

  • Proven success improving CI/CD workflows with AWS CDK, including automation for deployments and migrations.

  • Familiarity with modern observability platforms (e.g. Datadog, Prometheus, Grafana).

  • Solid expertise in designing systems for high availability and horizontal scalability.

  • Strong coding and scripting skills in languages such as Python, Bash, or TypeScript.

  • Understanding of infrastructure security best practices and regulatory compliance requirements.

  • Collaborative mindset, able to partner effectively across engineering teams.

Our Technology Environment

  • Infrastructure: AWS (Fargate, Redis, PostgreSQL, SQS, CDK), GitHub, Retool

  • Backend: Django REST Framework, Celery

  • Frontend: Next.js, Tailwind CSS

  • AI/LLM Tools: OpenAI, Claude, AWS Bedrock

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Senior Platform & Reliability Engineer
Kitchener, Ontario, Canada
$190,000 USD / year
Engineering
About Calliere Group