Zyphra
AI Engineer
San Francisco · On-site · Full-time · Posted Mar 17, 2026
- Visa sponsorship
- Relocation and immigration support on a case-by-case basis.
About the job
Build desktop and browser-based AI agents that navigate the web, interact with files and systems, and complete complex tasks, spanning interfaces, retrieval, model integration, and secure execution.
What you'll do
- Design agent systems for browsers, operating systems, and enterprise filesystems.
- Build search and retrieval pipelines for structured and unstructured data.
- Integrate language and vision models, reinforcement learning, and agent execution services.
What they ask for
- Proficiency in Python and ability to build and debug complex ML-driven applications.
- Experience with Windows and macOS APIs for screen reading, file interaction, and accessibility.
- Experience developing browser extensions or automation tools with fine-grained browser control.
- Understanding of LLMs, prompting, orchestration frameworks, and secure virtualized execution environments.
Nice to have
- Experience building or integrating RAG systems, vector databases, or large-scale document indexing.
- Experience with enterprise security/compliance, browser automation tools, or models for screen reading, OCR, or UI understanding.
Tools
Python, LLMs, RAG, SOC 2, Puppeteer, Playwright
AI focus
Develop autonomous agents using language and vision models, reinforcement learning, and multi-step reasoning; work includes retrieval, screen reading, OCR, and UI understanding.
Model-written summary · the original posting is authoritative