HackerOne

HackerOne

Visit websiteLinkedIn5,001-10,000 employeesH1B sponsor

HackerOne builds a platform for offensive security, combining a global community of security researchers with tools for bug bounties, vulnerability disclosure, pentesting, and AI red teaming. Enterprises use it to continuously find and remediate vulnerabilities across code and cloud via subscription software and managed programs. Founded in 2012 and headquartered in San Francisco, customers include the U.S. Department of Defense, General Motors, Goldman Sachs, Uber, and the UK Ministry of Defence.

Open Positions at HackerOne

6 open positions

London, United KingdomSenior

Senior Security Engineer focused on building AI-first detection and response capabilities for HackerOne’s modern cloud-native environment. The role combines security engineering, production software development, automated investigations, and incident response.

15 days ago
Boston, MA, USA +3 moreSenior
$182k - $222k/yr

Build the platform behind HackerOne’s AI security agent, Hai, including agent execution, RAG, memory, observability, and secure integrations. This senior role combines distributed systems engineering with practical LLM and cloud AI/ML development in a hybrid work environment.

6 months ago
Boston, MA, USA +3 moreSenior
$190k - $230k/yr

Build the next generation of HackerOne’s AI security platform, including agentic AI services, LLM integrations, and evaluation tooling for vulnerability discovery and red teaming. This senior engineering role combines distributed systems, applied AI, and cloud security in a flexible hybrid environment.

GraphQLHugging Face TransformersPyTorchReactRuby on RailsTensorFlow
6 months ago
Boston, MA, USA +3 moreStaff+
$230k - $280k/yr

Build the next generation of HackerOne’s autonomous security platform by architecting intelligent agents, AI infrastructure, and AI red-teaming systems. This staff-level role combines applied AI, LLM applications, platform engineering, and offensive security in a flexible hybrid environment.

DockerGraphQLKubernetesPyTorchReactRuby on Rails+1 more
7 months ago
Boston, MA, USA +3 moreMid Level
$166k - $203k/yr

Build production AI capabilities for HackerOne’s security platform, including LLM workflows, RAG pipelines, and features for the Hai security agent. This hybrid-remote role combines applied AI engineering, secure APIs, and offensive security automation.

GraphQLHugging Face TransformersPyTorchReactRuby on RailsTensorFlow
7 months ago
Boston, MA, USA +3 moreSenior
$190k - $230k/yr

Build AI-powered offensive security capabilities at HackerOne, including the Hai security agent, LLM integrations, and AI red teaming tools. This senior role combines applied AI engineering, model evaluation, secure platform development, and customer-focused delivery.

GraphQLHugging Face TransformersPyTorchReactRuby on Rails
7 months ago
Contact me