Staff Software Engineer, Search

Anthropic · San Francisco, CA | New York City, NY · AI Research & Engineering · listed September 11, 2026

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The shape of it

Seniority

Staff

Where

Hybrid

Requirements listed

Length

823 words

In the posting’s own words

We're building Anthropic's search platform team to create scalable, efficient search capabilities that power Claude's ability to access and retrieve information. In this role, you'll design and implement core search systems from the ground up.

What it asks for · 4

5+ years building complex distributed systems in production
Solid grasp of search fundamentals: indexing, retrieval, ranking
Strong coding skills in Python, Go, Java, or similar languages
Hands-on experience with high-volume data processing architectures

What the job covers

Work with a small, senior team of engineers and researchers to build Anthropic’s search platform from scratch
Establish metrics and tooling to measure and improve search quality
Enhance search algorithms and indexing mechanisms to boost search accuracy and efficiency

Tools and skills named

Languages

Go2×
Java2×
Python2×

Cloud & infra

Distributed systems2×

Words the posting leans on

search13×
indexing4×
search platform3×
boost search2×
building complex2×
coding skills2×
complex distributed2×
data processing2×
distributed systems2×
efficiency2×
engineers2×
enhance search2×
establish metrics2×
fundamentals indexing2×
grasp search2×
hands-on experience2×

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