Software Engineer, Windows - Claude Code

Anthropic•San Francisco, NY

2d•Hybrid

About The Position

At Anthropic, we believe new AI capabilities are best achieved through secure foundations, not in spite of them. As capabilities grow more advanced, it is critical that progress moves forward safely and for the benefit of all society. It is the reason why security sits at the center of our work, and not as an afterthought. We're specifically looking for a Software Engineer with deep Windows expertise to help us build and maintain Claude Code, our AI-powered coding assistant. The ideal candidate will have a passion for developer tools, strong experience building CLI applications on Windows, and a desire to ensure Windows developers have a first-class experience with our tools. Claude Code is used by developers around the world, and a significant portion of them work in Windows environments. This role is critical to ensuring our product works seamlessly for Windows users—from installation to daily workflows.

Requirements

Have deep Windows development experience, including PowerShell scripting and Windows system integration
Have experience building and maintaining CLI applications
Are passionate about developer tools and understand what makes tools useful and adoptable
Can work independently to identify and solve Windows-specific challenges
Have shipped software used by developers in production Windows environments
Care about the societal impacts and ethics of your work

Nice To Haves

Have strong TypeScript development experience
Linux and/or macOS development (cross-platform thinking)
Cross-platform compatibility considerations and tooling
Windows package managers (Chocolatey, winget, scoop)
Working with large codebases and quickly jumping into unfamiliar development environments
Working with container orchestration and cloud infrastructure (especially Windows containers)
Hands-on experience working with large language models and prompt engineering
Node.js/Bun runtime environments
Building and maintaining developer tools at scale

Responsibilities

Design, build, and maintain Windows-specific features and infrastructure for Claude Code
Own the Windows developer experience, ensuring Claude Code installs, runs, and performs reliably across Windows environments
Develop and maintain PowerShell integrations and scripts that enable smooth Windows workflows
Collaborate with the broader Claude Code team to ensure cross-platform compatibility and feature parity
Work with Windows package managers (Chocolatey, winget, scoop) to streamline installation and updates for Windows users
Debug and resolve Windows-specific issues, including file system, permissions, and shell compatibility challenges
Engage directly with Windows developers inside and outside Anthropic to gather feedback and improve user experience
Contribute to technical documentation to help Windows users get the most out of Claude Code