HackerOne is looking to revolutionize cybersecurity by combining human intelligence with artificial intelligence to create the world's most effective offensive security platform. The Staff Software Engineer will be at the forefront of developing cutting-edge AI-powered security solutions that protect organizations from emerging threats, contributing to the AI platform and building next-generation AI safety and security tools.
Requirements
- Experience building production-grade AI platforms and infrastructure that support multiple AI product teams and applications
- Strong hands-on experience with large language models (LLMs), generative AI, and machine learning frameworks (TensorFlow, PyTorch, Transformers) in production environments
- Expertise in AI platform engineering including model deployment, MLOps pipelines, model serving infrastructure, and shared AI services architecture
- Solid understanding of AI safety and alignment principles, including responsible AI development, bias mitigation, and ethical AI practices
- Familiarity with frameworks like ReAct, AutoGen, or Semantic Kernel for agentic orchestration
- Experience in agent action routing, secure tool usage APIs, and feedback loops for autonomous agents
- Knowledge of prompt engineering, fine-tuning techniques, retrieval-augmented generation (RAG), and advanced LLM optimization strategies
Responsibilities
- Build and evolve our autonomous AI security agent “Hai” with capabilities to plan, reason, and take secure actions including vulnerability detection, threat intelligence generation and automated security analysis
- Build and enhance our AI security agent "Hai" to provide instant security insights, natural language query processing, and actionable recommendations for security teams
- Develop AI red teaming agents and frameworks that help identify vulnerabilities in large language models, generative AI systems, and applied AI deployments
- Collaborate with product teams to integrate AI capabilities that enhance vulnerability discovery, validation, and remediation
- Create APIs and integrations that enable seamless interaction between AI models, security tools, and the broader HackerOne ecosystem
- Partner with cross-functional teams including Product, Security Research, and Customer Success to translate AI innovations into customer-facing security solutions
- Integrate emerging agentic frameworks and LLM-based orchestration tools (e.g., LangChain, Semantic Kernel, AutoGen, OpenAgents) to power stateful AI agents with access to security tools, APIs, and third-party systems
Other
- 8+ years of experience as a software engineer
- Remote Location: Seattle, WA
- Offers Equity
- Visa/work permit sponsorship is not available.
- Employment at HackerOne is contingent on a background check.
