CareerPlan

Sr. Security Software Engineer, Application Security

San FranciscoFull-time$156k2026-07-11 → 2026-11-10
Hybrid

Core

Build tooling, product enhancements, and secure development lifecycle processes to protect 619 million monthly active users from real-world threats.

Role type

Senior IC application security engineer

Builds

Secure development lifecycle tooling, product enhancements, and scalable security solutions

Domain

Internet / Application Security

Required skills

Python, secure development lifecycle design, code review, security assessments, AI threat mitigation

Preferred skills

dynamic programming languages, cross-functional architecture

Technologies

Python

Responsibilities

Design and build rules and processes for the secure development lifecycle; Deliver and review well-documented, tested, and operable code; Architect scalable and secure solutions; Conduct regular security assessments including design reviews; Rework existing controls to address AI productivity and new AI threats

Seniority

Senior, hands-on IC