About the job
C1 seeks a Senior Software Engineer - Platform for its Portland office. This role centers on building and improving the core platform that underpins C1’s AI-native identity security product. The position offers the chance to lead complex projects, refine developer tools, and shape the technical direction of a growing product suite.
What You Will Do
- Lead and deliver high-impact projects that strengthen the platform’s scalability and reliability.
- Develop new features and capabilities for both internal teams and customer-facing products.
- Balance the introduction of new functionality with the reduction of technical debt.
- Write production-ready, high-performance code.
- Provide technical guidance and clear communication across teams.
- Influence architectural decisions and help set engineering standards.
About C1
C1 builds an AI-native identity security platform that protects every identity, human, non-human, and AI. The platform uses automation and AI to centralize access visibility, enforce granular controls, enable just-in-time access, and automate user access reviews across all applications. C1’s solution is designed for quick deployment and ease of use, and is trusted by organizations including DigitalOcean, Instacart, Ramp, and Zscaler.
Location
This position is based in C1’s Portland, Oregon office.

