Software Engineer Defense Tooling Jobs in San Francisco, CA

The Role We’re seeking a technical security engineer who thrives on intensity, autonomy, and impactful work.

Strong generalist software engineering background and ability to review production code for security risks.

Have built dataset tooling or a data pipeline that ML engineers train from.

About the Role We are looking for founding software engineers to help us build the core systems behind Simple AI’s voice agents

At the same time, AI is transforming what's possible on the defensive side.

Why Join Doppel Doppel is building the future of social engineering defense.

Why Join Doppel Doppel is building the future of social engineering defense.

You might thrive in this role if you: Have at least 3 years of professional software engineering experience.

Experience building data lineage, metadata, or policy-engine tooling, or large-scale deletion and retention systems.

About the Team Codex is OpenAI's software engineering agent.

About the Role We’re looking for a full-stack Software Engineer to build the internal tools and data pipelines that power lawful data

research with software engineering.

Have strong software engineering fundamentals and experience with Go, Rust, Python, or similar languages.