CareerPlan

Software Engineer, Security

San FranciscoFull-time$180k–$280k2026-11-08
On-siteNo visa sponsorship

Core

Own application and product security, build security tooling, and run the vulnerability lifecycle for an agentic support platform.

Role type

Senior IC application security engineer

Builds

Security tooling (supply chain, vulnerability management, secure libraries), AI-assisted security workflows, and secure-by-default controls

Domain

B2B SaaS / AI-native support platforms

Deliverable

production ML models

Required skills

application security fundamentals, threat modeling, secure design reviews, vulnerability management, incident response, AI-assisted security workflows, startup experience

Preferred skills

React, Golang, GraphQL, AWS, building agentic products

Technologies

React, Golang, GraphQL, AWS

Responsibilities

Conduct threat modeling and secure design reviews; Build security tooling for supply chain and vulnerability management; Run the vulnerability lifecycle (triage, validation, remediation); Develop AI-assisted security agents and controls; Collaborate with engineers to ship secure fixes; Lead incident response and coordination

Seniority

Senior, hands-on IC