Platform Engineer

Marble Technology Inc.•Toronto, ON

21d

About The Position

Marble is building an AI-powered tax assistant and preparation platform that transforms how accounting firms and their clients handle taxes. We’re targeting the pain points of mid-to-large size accounting firms with intelligent tools designed to streamline complex tax workflows. We’re early stage, highly collaborative, and deeply focused on solving real, high-impact problems for our customers. We’re hiring a Platform Engineer to continue building and scaling the infrastructure that powers our AI-first tax platform. You’ll work together with the rest of our engineering team to enable faster product development and build reliable systems that can handle sensitive financial data. This role sits at the intersection of infrastructure, DevOps, and SRE. You’ll design and operate our entire platform, improve developer tooling, and ensure our systems are resilient, observable, and secure by default. You’ll also play a key role in shaping our data platform and enforcing strong data security practices across the stack. If you enjoy interesting technical challenges and automating infrastructure you’ll be a great fit.

Requirements

Strong experience with cloud infrastructure (AWS or similar)
Hands-on experience with Kubernetes, Terraform, and Helm
Background in DevOps, SRE, or platform engineering roles
Experience building and maintaining CI/CD pipelines and/or developer tooling
Solid understanding of distributed systems, networking, and system reliability
Ability to balance pragmatism with long-term system design

Nice To Haves

Experience building or supporting data platforms (ETL, orchestration, data infra)
Familiarity with security best practices in regulated or sensitive data environments
Experience with observability stacks (Grafana, OpenTelemetry, etc.)
Experience working in fast-paced startups or 0 → 1 environments
Exposure to AI/ML infrastructure or data pipelines

Responsibilities

Build and operate our cloud infrastructure (100% of our infra is code)
Own reliability, observability (OTEL), and incident response across our systems
Design and improve developer tooling and CI/CD pipelines
Partner with product and data teams to support scalable data platform needs
Implement and enforce best practices around security, especially for sensitive tax data
Improve system performance, cost efficiency, and scalability across services
Be comfortable working across infrastructure, backend systems, and developer workflows