Senior Trust & Security Engineer — AI-Powered Auth

Purpose Bits; San Francisco (CA); On-site; USD 170,000 - 250,000; Full time

Benefits offered by this job

Health Insurance

Stock Options

401k

Job summary

Purpose Bits in San Francisco is seeking an engineer to build authentication and security features and to develop scalable AI-powered systems to detect and mitigate risks across the platform.

You will collaborate with product and engineering teams to strengthen trust, privacy, and security, and help ensure a safe user experience at scale.

Ideal candidates have 5–8 years of experience in building or securing products and proficiency in the listed technologies, with AI experience preferred.

Qualifications

• 5–8 years of building or securing products.
• Strong passion for trust and safety.
• Experience with AI and relevant technologies preferred.

Skills

Trust

Safety

Authentication

Security

Privacy

AI

Collaboration

React

TypeScript

Node.js

Postgres

Dynamo

Memcached

Job description

Purpose Bits in San Francisco is seeking an engineer to build authentication and security features and to develop scalable AI-powered systems to detect and mitigate risks across the platform.

You will collaborate with product and engineering teams to strengthen trust, privacy, and security, and help ensure a safe user experience at scale.

Ideal candidates have 5–8 years of experience in building or securing products and proficiency in the listed technologies, with AI experience preferred.