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Senior Software Engineer – AI

Senior Software Engineer – AI

CompanyHackerOne
LocationSeattle, WA, USA
Salary$170000 – $253000
TypeFull-Time
Degrees
Experience LevelSenior, Expert or higher

Requirements

  • 8+ 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

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

Preferred Qualifications

  • Experience building AI development platforms, model registries, experimentation frameworks, and tools that accelerate AI product development across organizations
  • 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