Infrastructure Engineer

• Lead initiatives to improve performance in both the frontend (React, web workers, bundling) and backend (Node.js runtime, TypeScript pipelines, and I/O efficiency)
• Use profiling and benchmarking techniques to identify and eliminate bottlenecks and memory leaks in our Node.js services and client-side application code
• Build and integrate metrics, tracing, and performance dashboards to make performance data accessible and actionable across teams
• Reduce build and CI/CD overhead by optimising dependency management, incremental builds, caching strategies, and monorepo workflows
• Define internal best practices, guidelines, and tooling for the web infrastructure that scale with the company
• Represent Attio’s Product & Engineering values both internally and externally

Web Infrastructure Engineer

Senior Infrastructure Engineer

Network Infrastructure Engineer

Senior Agentic Infrastructure Engineer