Platform Engineer About UsMarble 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.About the RoleWe’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.What You’ll DoBuild and operate our cloud infrastructure (100% of our infra is code)Own reliability, observability (OTEL), and incident response across our systemsDesign and improve developer tooling and CI/CD pipelinesPartner with product and data teams to support scalable data platform needsImplement and enforce best practices around security, especially for sensitive tax dataImprove system performance, cost efficiency, and scalability across servicesBe comfortable working across infrastructure, backend systems, and developer workflowsWhat We’re Looking ForStrong experience with cloud infrastructure (AWS or similar)Hands-on experience with Kubernetes, Terraform, and HelmBackground in DevOps, SRE, or platform engineering rolesExperience building and maintaining CI/CD pipelines and/or developer toolingSolid understanding of distributed systems, networking, and system reliabilityAbility to balance pragmatism with long-term system designBonus PointsExperience building or supporting data platforms (ETL, orchestration, data infra)Familiarity with security best practices in regulated or sensitive data environmentsExperience with observability stacks (Grafana, OpenTelemetry, etc.)Experience working in fast-paced startups or 0 → 1 environmentsExposure to AI/ML infrastructure or data pipelinesTech We UseCloud: AWSInfra: Kubernetes, Terraform, Helm, Github actions (CI/CD)Services: Typescript, React, Node.js (Fastify)Data: Airflow, Postgres, PostHogObservability: Grafana, OpenTelemetryWhy Join Us?Build the platform that powers the next generation of AI-driven tax softwareOwn critical infrastructure from day one and shape how we scaleWork on meaningful problems involving data, reliability, and securityJoin a team that values autonomy, speed, and strong engineering fundamentalsHighly competitive compensation, equity, and benefits