Senior Software Developer, Delivery Platform

Role Overview

• Evolve progressive delivery with Argo Rollouts and GitOps.
• Optimize CI/CD infrastructure at scale.
• Build deployment gates and guardrails that prevent production incidents.
• Build world-class deployment observability and visibility.
• Drive Wealthsimple's 2026 reliability mission.
• Pioneer continuous, automated load testing.
• Champion engineering excellence and mentorship.

Requirements

• 7+ years of experience in team-based software development, with strong focus on platform engineering, DevOps, CI/CD, or SRE.
• Deep expertise in modern deployment and orchestration, including Kubernetes, GitOps workflows (ArgoCD or similar), progressive delivery, and strategies such as canary and blue-green deployments with automated rollbacks.
• Strong CI/CD experience: designed, built, and operated deployment pipelines using Buildkite, GitHub Actions, Jenkins, GitLab CI, or similar; experience optimizing build times, managing artifacts, and ensuring pipeline reliability at scale.
• Reliability engineering and observability expertise, including building observable systems with Datadog, Prometheus, or similar tools; solid understanding of SLIs, SLOs, and error budgets.
• Technical versatility across multiple languages, with experience in TypeScript, Ruby, Python, Kotlin, or similar; comfortable writing tooling, automation, and infrastructure code.
• Load testing and performance validation experience, using tools such as k6, JMeter, or Gatling, and interpreting results to inform deployment decisions.
• Infrastructure as Code and cloud experience, including AWS, Terraform, or comparable platforms and tools; ability to build reproducible, version-controlled, scalable infrastructure.
• Product mindset for internal platforms, treating deployment infrastructure as a product and internal developers as customers.
• Strong collaboration and mentorship skills, with experience coaching engineers and communicating technical concepts across teams.
• Data-driven approach, using metrics to establish baselines, measure impact, and guide technical decisions.

Tech Stack

• AWS
• Cloud
• Jenkins
• JMeter
• Kotlin
• Kubernetes
• Prometheus
• Python
• Ruby
• Terraform
• TypeScript

Benefits

• Top-tier health benefits and life insurance
• Long-term group savings with employer match using our Wealthsimple for Business platform
• 20 vacation days + 4 wellness days per year, and unlimited sick and mental health days
• 90 days away program: Employees can work outside of Canada for up to 90 days per calendar year
• A wide variety of peer and company-led Employee Resources Groups (e.g., Rainbow, Women of Wealthsimple, Black @ WS)