Boris Cherny is a software engineer at Anthropic, where Cherny created Claude Code, which the project's repository describes as an agentic coding tool for the terminal that understands a codebase and handles routine tasks and git workflows through natural language commands. Anthropic's Code w/ Claude 2026 conference page lists Cherny as Head of Claude Code. Before Anthropic, Cherny worked at Instagram, prototyping and scaling new product and infrastructure ideas, according to Cherny's own site. Cherny is also the author of O'Reilly's Programming TypeScript.1234
At a glance
- Current role
- Software Engineer; creator and Head of Claude Code
- Company
- Anthropic
- Sector
- Company
- Fields
- Developer tools, Agents
- Work listed
- 2
- Sources cited
- 8
- Profile reviewed
Career
Boris Cherny's own site describes a role as a software engineer at Anthropic, where Cherny created Claude Code, after earlier work at Instagram prototyping and scaling new product and infrastructure ideas. Anthropic's Code w/ Claude 2026 programme lists Cherny as Head of Claude Code, presenting a live coding session with Jarred Sumner, the creator of Bun, on how the Claude Code team uses the tool in everyday work.14
The Claude Code repository describes the product as an agentic coding tool that runs in the terminal, understands a codebase and carries out routine tasks and git workflows from natural-language commands.3
Open-source work and writing
Projects pinned on Cherny's GitHub profile include two MIT-licensed TypeScript libraries: json-schema-to-typescript, which compiles JSON Schema into TypeScript type declarations, and undux, a small state-management library for React with Hooks support.567
Cherny is the author of O'Reilly's Programming TypeScript and keeps a blog on software engineering. Its posts include "Towards a Safer Redux" (2017), "13 Tips for Writing a Technical Book" (2019) and a 2024 post on making ES modules easier to use in npm and Node.js.21
Work and contributions
Claude Code Proprietary product
Created Claude Code at Anthropic, according to Cherny's own site, and is listed as Head of Claude Code on Anthropic's Code w/ Claude 2026 session page. The repository's license file states that Claude Code is copyright Anthropic PBC with all rights reserved, and its use is subject to Anthropic's Commercial Terms of Service.1438
Programming TypeScript (O'Reilly)
Author of the O'Reilly book Programming TypeScript, according to Cherny's own site.12
Timeline
- Published "Towards a Safer Redux" on Cherny's blog.2
- Published "13 Tips for Writing a Technical Book" on Cherny's blog.2
- Published a blog post on making ES modules easier to use in npm and Node.js.2
- Presented a live coding session with Jarred Sumner at Anthropic's Code w/ Claude 2026 as Head of Claude Code.4
Other documented roles
Roles the sources document that are not confirmed as current.
- Prototyped and scaled new product and infrastructure ideas, Instagram1
Where they work
- Anthropic 34 people in the wiki
Related people
- Olivier ChafikAlso at Anthropic
- Kai FronsdalAlso at Anthropic
- Cat WuAlso at Anthropic
- Neel NandaAlso at Anthropic
- Tom BrownAlso at Anthropic
- Charles LamannaAgents · Developer tools
- Binyuan HuiAgents · Developer tools
- Robert BrennanAgents · Developer tools
- Ben DavisDeveloper tools · Agents
- Dane KnechtAgents · Developer tools
Suggest a correction or removal
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References
8 sources · profile reviewed Oct 21, 2026 · data updated Oct 21, 2026
- About — Boris Cherny's Blog
- Boris Cherny's Blog (site description)
- anthropics/claude-code repository (README and description)
- Live coding session with Boris Cherny and Jarred Sumner — Code w/ Claude 2026 (May 6, 2026)
- bcherny (Boris Cherny) on GitHub
- bcherny/json-schema-to-typescript (MIT)
- bcherny/undux (MIT)
- anthropics/claude-code LICENSE.md