HackerOne · 6 hours ago
Senior Software Applied AI Engineer
Austin, TX
Full-time
Hybrid
Senior Level
$170K/yr - $250K/yr
5+ years expHackerOne is a global leader in Continuous Threat Exposure Management (CTEM), and they are seeking a Senior Software Applied AI Engineer to revolutionize offensive security by combining human intelligence with artificial intelligence. The role involves developing next-generation AI security capabilities and enhancing vulnerability discovery and security analysis workflows.
Artificial Intelligence (AI)ComputerCyber SecurityGenerative AIInternetNetwork Security
No H1B
Hiring Manager
Hannah Meltzer
Responsibilities
Contribute to evolving our AI security agent Hai, implementing features that enable natural language security insights, improved reasoning, and secure action workflows
Build components and services that integrate Agentic AI design patterns like AI Orchestration, Memory systems, RAG, Long horizon tasks, LLM-based models into the HackerOne platform, applying an AI-First approach to enhance vulnerability detection and security automation
Implement features for AI red teaming agents and evaluation tools that help identify risks in LLMs and applied AI systems, supporting safer model development
Collaborate cross-functionally with Product, Security Research, and Customer Success to translate customer needs into clear engineering requirements and deliverables
Develop and integrate APIs that enable secure interactions between AI models, internal services, and third-party systems, adjusting quickly as requirements evolve with Change Agility
Use metrics, evaluation data, and telemetry to validate model behavior and improve system performance in alignment with Data-Driven Decision Making
Break down complex AI and security problems into smaller, fundamental components, applying First Principles Problem Solving to deliver simple, scalable solutions
Stay current with emerging AI security trends, contributing findings and learnings to team discussions and implementation planning
Qualification
Required
5+ years of experience as a software engineer
Must be able and willing to come to the office once per week (typically Thursdays)
Experience implementing features within production-grade AI or ML systems, including integrating LLMs or generative AI models into applications
Hands-on experience with ML frameworks such as PyTorch, TensorFlow, or HuggingFace Transformers
Familiarity with model deployment workflows, evaluation techniques, or MLOps concepts
Understanding of responsible AI development and basic AI safety considerations
Preferred
Experience contributing to AI development platforms, internal ML tooling, or experimentation workflows
Exposure to agentic frameworks such as ReAct, AutoGen, LangChain, or Semantic Kernel
Familiarity with prompt engineering, fine-tuning, RAG architectures, or LLM optimization techniques
Experience working with cloud AI/ML services (AWS Bedrock, GCP Vertex AI, Azure ML)
Familiarity with full-stack technologies such as Ruby on Rails, GraphQL, or React—especially for integrating AI capabilities into existing systems
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
Company
HackerOne
A global leader in Continuous Threat Exposure Management—uniting AI and human intelligence to find, validate, and eliminate vulnerabilities.
201-500 employees
Funding
Current Stage
Late StageTotal Funding
$159.4MKey Investors
GP BullhoundValor Equity PartnersDragoneer Investment Group
2022-04-28Series Unknown
2022-01-27Series E· $49M
2019-09-08Series D· $36.4M
Leadership Team
Kara Sprague
Chief Executive Officer
Alex Rice
Co-Founder and CTO
Recent News
2025-12-16
Security Week
2025-11-10
2025-11-01
Company data provided by crunchbase