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# Principal Software Security Architect

- **Company:** Block, Inc.
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Software Engineering, Software Security
- **Published:** November 14, 2026
- **Apply:** https://www.careerboard.com/us/en/find-jobs-in-United-States/-307F530263806D0C5F/

## About the Role

The role requires a strong background in security practices, system design, and a minimum of 10 years in software development.

## Description

Block, Inc. is looking for a Principal Security Engineer focused on Software Security Engineering. You will report to the CISO, championing security in Block's core products and infrastructure. You will deliver innovative software security solutions, define technical strategies, and lead security initiatives across business units.