Senior Platform Engineer, Infrastructure
Toronto, ON
A rapidly scaling Canadian fintech company transforming the way businesses manage spend, cash flow, and financial operations. The team builds modern financial tools designed for speed, automation, and transparency—helping thousands of businesses operate with greater clarity and control. Recognized as one of Canada’s fastest-growing startups, this organization is backed by top-tier investors and led by experienced operators from some of the country’s most respected tech companies. Their culture is ownership-driven, feedback-oriented, and built for people who thrive in fast-paced, product-centric environments.
The Senior Platform Engineer, Infrastructure will design, build, and evolve the cloud infrastructure and internal developer platform powering the company’s financial products. This role blends platform engineering, DevOps, and software development, with a strong emphasis on automation, reliability, security, and enabling engineers to ship high-quality software quickly.
You’ll help architect event-driven systems, streamline developer workflows, and ensure the platform is scalable, resilient, and secure.
Design, deploy, and manage AWS infrastructure, including ECS, EKS, and RDS.
Optimize performance, reliability, and scalability through monitoring, tuning, and continuous improvements.
Implement and enforce cloud and container security best practices.
Ensure alignment with AWS Well-Architected Framework.
Build and maintain a world-class Internal Developer Platform (IDP) that empowers engineers with self-service tooling and standardized workflows.
Improve CI/CD systems to increase delivery speed, stability, and developer efficiency.
Advocate for platform tooling and partner closely with engineering teams to drive adoption.
Design and implement platform services, libraries, and frameworks supporting an event-driven architecture.
Embed platform and security best practices directly into development processes.
Participate in architecture reviews to ensure scalability, resilience, and security.
Write clean, testable code in Go, Python, or TypeScript.
Perform security assessments, vulnerability scans, and threat modeling.
Develop cloud security policies and contribute to incident response processes.
Support compliance initiatives, including PCI-DSS 4.0 and SOC2.
Champion automation, observability, and continuous improvement.
Stay current with advancements in AWS, developer experience tooling, and event-driven systems.
You’ll thrive here if you:
Put customers first and care deeply about delivering meaningful value.
Act like an owner—proactive, accountable, and solution-oriented.
Think big, move fast, and are energized by building 0→1 systems.
Are growth-minded and hungry to learn.
Hold a high bar for quality, scalability, and operational excellence.
Collaborate generously and elevate the people around you.
Strong expertise in AWS (ECS/EKS, RDS) and IaC (Terraform or Pulumi).
Proficiency in Go, Python, or TypeScript and experience building services or tooling used by other engineers.
Experience contributing to an Internal Developer Platform or similar developer experience initiatives.
Deep knowledge of CI/CD, observability, and automation.
Understanding of cloud security and compliance frameworks.
Strong communication and stakeholder alignment skills.
Work at one of Canada’s fastest-growing fintech companies.
Make a meaningful impact in a high-autonomy, high-growth role.
Collaborate with talented, ambitious teammates.
Competitive compensation, equity, and benefits.
Hybrid work model with in-office collaboration.
Catered lunches twice a week.
Dog-friendly office.
High-trust culture where your work truly matters.
November 7, 2025