Staff Software Engineer, Applied AI

at Hackerone

Seattle, WA, hybrid, staff, full time, USD 2,00,000–2,56,000 / year, 8+ years

posted 27 Oct 2026

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Semantic Kernel
Generative AI
AWS Bedrock
GraphQL
Retrieval-Augmented Generation
ReAct
Azure ML
PyTorch
MLOps
AutoGen
Ruby on Rails
Docker
GCP Vertex AI
Transformers
RAG
Large Language Models
TensorFlow
Kubernetes

About the role

Remote: yes Posted: 2026-10-27

HackerOne is a global leader in Continuous Threat Exposure Management (CTEM) and the only solution provider that pairs the simultaneous trust of the Fortune 500 and the world's largest community of security researchers to secure the AI-native enterprise. The H1 Platform unites agentic AI solutions with security researchers ingenuity to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions such as agentic and human offensive security testing, AI red teaming, code security, validation, and remediation, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com http://Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner’s Emerging Tech Impact Radar: AI Cybersecurity Ecosystem report for its leadership in AI Security Testing.

HackerOne Values

HackerOne is dedicated to fostering a strong and inclusive culture. HackerOne is Customer Obsessed and prioritizes customer outcomes in our decisions and actions. We Default to Disclosure by operating with transparency and integrity, ensuring trust and accountability. Employees, researchers, customers, and partners Win Together by fostering empowerment, inclusion, respect, and accountability.

STAFF SOFTWARE ENGINEER, APPLIED AI

REMOTE LOCATION: SEATTLE, WA

At HackerOne, we’re advancing a new era of AI-powered offensive security. As a Staff AI Engineer, you’ll help shape the evolution of our autonomous HAI platform, driving the integration of advanced AI and agentic frameworks into HackerOne’s products.

You will build intelligent security agents that reason, act, and learn — helping security teams identify, validate, and remediate vulnerabilities faster than ever. This is a high-impact technical role, reporting to the VP, AI Engineering, where you will architect the systems and frameworks that power the next generation of AI-driven vulnerability discovery.

At HackerOne, we embrace a Flexible Work approach that gives us the freedom to do our best work while also fostering the connections and community that make us stronger. Reflecting this philosophy, this is a role targeted for candidates within ~50 miles of Seattle, WA. We believe this balance of proximity and flexibility gives Hackeronies the chance to occasionally come together – fostering collaboration, connection, and in-person moments that enrich our culture – while still preserving the benefits of remote work. Must be able and willing to come to the office once per week (typically Thursdays).

Read from jobs.ashbyhq.com, last seen 1d ago.

What they are looking for

- 8+ years of experience as a software engineer, including deep experience building and maintaining production-grade AI platforms and infrastructure.

- Must be able and willing to come to the office once per week (typically Thursdays).

- Proven expertise in large language models (LLMs), generative AI, and machine learning frameworks such as TensorFlow, PyTorch, and Transformers in production environments.

- Strong hands-on experience in AI platform engineering, including model deployment, MLOps pipelines, model serving infrastructure, and shared AI services architecture.

- Experience building systems that support multiple AI product teams and applications, enabling scalable experimentation and deployment.

- Solid understanding of AI safety and alignment principles, including responsible AI development, bias mitigation, and ethical AI practices.

- Experience building AI development platforms, model registries, experimentation frameworks, and tools that accelerate AI innovation across organizations.

- Familiarity with ReAct, AutoGen, or Semantic Kernel for agentic orchestration and multi-agent collaboration.

- Experience in agent action routing, secure tool usage APIs, and feedback loops for autonomous agents.

- Knowledge of prompt engineering, fine-tuning, retrieval-augmented generation (RAG), and advanced LLM optimization strategies.

- Experience with cloud-based AI/ML services (AWS Bedrock, GCP Vertex AI, Azure ML) and containerization technologies (Docker, Kubernetes) for AI workloads.

- Familiarity with Ruby on Rails, GraphQL, and React, and experience integrating AI capabilities into production web applications and APIs.

JOB 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

*Eligibility may differ by country

Employment at HackerOne is contingent on a background check.

HackerOne is an Equal Opportunity Employer in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or expression, national origin, pregnancy, disability, veteran status, or any other protected characteristic as outlined by law.

JOB 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

*Eligibility may differ by country

We're committed to building a global team! For certain roles outside the United States, India, the U.K., and the Netherlands, we partner with Remote.com https://remote.com/preemployment-faq as our Employer of Record (EOR).

Visa/work permit sponsorship is not available.

Employment at HackerOne is contingent on a background check.

HackerOne is an Equal Opportunity Employer in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, pregnancy, disability or veteran status, or any other protected characteristic as outlined by international, federal, state, or local laws.

This policy applies to all HackerOne employment practices, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. HackerOne makes hiring decisions based solely on qualifications, merit, and business needs at the time.

For US based roles only: Pursuant to the San Francisco Fair Chance Ordinance, all qualified applicants with arrest and conviction records will be considered for the position.

Compensation: $200K – $256K • Offers Equity

About the role

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