Software Engineer, Security
Thinking Machines Lab · San Francisco
Frontier labonsite$300k–$350k
At a glance
Highlights
- Embed with product and research teams to bake security into design by default.
- Build tooling and automation that keep AI systems safe at scale.
- Mitigate AI-specific risks like prompt injection and model abuse.
What they offer
- Health, dental, and vision benefits
- Unlimited PTO
- Paid parental leave
- Relocation support
Ideal candidate
A proactive generalist engineer who thrives collaborating across teams and cares about secure-by-default products. You spot risks early, own projects end-to-end, and turn quick fixes into durable, safe systems.
Requirements
- Bachelor's degree or equivalent experience in computer science, engineering, or similar
- Proficiency in at least one backend language
- Strong generalist software engineering background with ability to review production code for security risks
- Hands-on experience securing web apps and APIs including auth, access control, secrets management and data protection
- Familiarity with common vulnerability classes and prevention frameworks
- Comfort with modern cloud infrastructure
- Comfort operating across the stack and owning projects end-to-end
- visa sponsorship
- We sponsor visas
Lab profile
About Thinking Machines Lab
Builds frontier AI that extends human will and judgment through customizable models and interfaces.
What they build
- Inkling frontier models
- Tinker model customization
- Human-AI communication interfaces
Known for
- Frontier model training
- Post-training and reinforcement learning
- Evaluation infrastructure
- GPU supercomputing and reliability
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