Senior Engineer, Applied AI

Job not on LinkedIn

October 15

☕ Washington – Remote

Although this job is listed in Washington, this company may be open to hiring remote in other states.

💵 $170k - $250k / year

⏰ Full Time

🟠 Senior

🤖 AI Engineer

🦅 H1B Visa Sponsor

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HackerOne

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Security • Cybersecurity

HackerOne is a platform that connects businesses with ethical hackers to identify and fix security vulnerabilities. It offers services like bug bounty programs, pentest as a service, continuous security testing, vulnerability disclosure programs, AI safety and security testing, and application and cloud security. HackerOne engages a global community of ethical hackers who help businesses secure their digital assets by finding and addressing vulnerabilities. By leveraging both human and AI resources, HackerOne aims to outmatch cybercriminals and enhance security for various sectors, including automotive, financial services, government, healthcare, and retail. The company also provides educational resources, such as Hacker101, to train and develop the skills of people interested in cybersecurity.

201 - 500 employees

Founded 2012

🔐 Security

🔒 Cybersecurity

💰 $49M Series E on 2022-01

📋 Description

• 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 • Stay current with emerging AI security threats, research cutting-edge AI safety techniques, and contribute to the development of industry-leading AI security standards

🎯 Requirements

• 5+ years of experience as a software engineer • 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 • Background with cloud-based AI/ML services (AWS Bedrock, GCP Vertex AI, Azure ML) and containerization technologies for AI workloads • Familiarity with Ruby on Rails, GraphQL, React, and experience integrating AI capabilities into existing web applications and APIs.

🏖️ Benefits

• Health (medical, vision, dental), life, and disability insurance* • Equity stock options • Retirement plans • Paid public holidays and unlimited PTO • Paid maternity and parental leave • Leaves of absence (including caregiver leave and leave under CO's Healthy Families and Workplaces Act) • Employee Assistance Program • Flexible Work Stipend