Application Security Engineer — Build Guardrails & Secure Apps

Rainfall Ventures; Menlo Park (CA); Hybrid; USD 157,000 - 185,000; Full time

Benefits offered by this job

Health insurance

Equity ownership

401(k) matching

Paid time off

Job summary

Robinhood is seeking a Security Engineer, Application Security, to design and implement systems that embed security into development practices. You will review system designs, contribute to threat models, and guide secure implementation for product and platform teams.

The role involves building guardrails and hands-on work across production systems. Based in Bellevue, WA or Menlo Park, CA, you will collaborate with engineers to reduce risk at scale, while supporting rapid product development.

Qualifications

• 3+ years of experience in application security, product security, software security, or a related field.
• Experience identifying and addressing security risks earlier in the software development lifecycle.
• Experience building production-grade systems in Python, Go, or a comparable language.
• Comfortable partnering with engineering teams to review designs, explain risks, and recommend practical mitigations.
• Experience in reliability, incident response, and secure software delivery.

Responsibilities

• Design and build systems that help engineers identify and address security risks earlier in the development lifecycle.
• Partner with product and engineering teams to review system designs, conduct threat modeling, and guide secure implementation.
• Develop and maintain security guardrails, including shared libraries, frameworks, and automated checks used in production systems.
• Contribute to programs such as AI security governance and automated secure design reviews.
• Improve adoption of secure development patterns by providing clear guidance, documentation, and reusable tools.

Skills

Application security

Python

Go

Threat modeling

Security reviews

Job description

Robinhood is seeking a Security Engineer, Application Security, to design and implement systems that embed security into development practices. You will review system designs, contribute to threat models, and guide secure implementation for product and platform teams.

The role involves building guardrails and hands-on work across production systems. Based in Bellevue, WA or Menlo Park, CA, you will collaborate with engineers to reduce risk at scale, while supporting rapid product development.