Drimva

Opendoor

Application Security Engineer

Miami, FL · On-site · Full-time · Posted Jun 17, 2026

Experience
No years specified.

About the job

Own and improve application security across Opendoor’s products, APIs, infrastructure, and AI-enabled engineering workflows through vulnerability management, security design, and automation.

What you'll do

  • Build and operate vulnerability identification, triage, and remediation capabilities, integrating security findings into developer workflows and maturing the HackerOne program.
  • Lead threat modeling, security design reviews, and offensive testing; turn findings into secure design standards, rules, and CI guardrails.
  • Build AI agents and automated workflows for vulnerability triage, exploit verification, and remediation drafting; partner with engineering teams to harden applications and services.

What they ask for

  • Application security or software engineering experience with a security focus; strong skills in at least one of Python, Go, TypeScript, or Ruby, and ability to read and write code across the others.
  • Hands-on deployment experience with GitHub Advanced Security, Semgrep, or equivalent security risk detection tools.
  • Strong understanding of application and API vulnerability classes, including GraphQL, REST, and gRPC security pitfalls; practical threat modeling skills.
  • Experience with cloud and container security on AWS and Kubernetes, including IAM, secrets management, and CI/CD pipeline security.

Nice to have

  • Offensive security, bug bounty or coordinated disclosure program experience, or mobile application security review experience.
  • Experience securing AI/ML pipelines, agent frameworks, or MCP-style integrations; OSCP, OSWE, or similar offensive certifications.

Tools

Go, Python, TypeScript, Ruby, Terraform, AWS, Kubernetes, Apollo GraphQL

AI focus

Build AI agents and automated workflows for vulnerability triage, exploit verification, and remediation drafting; establish secure-by-default practices for AI-enabled engineering, agents, and MCP integrations.

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 4, 2026 (UTC)