---
title: 'Software Engineer, Applied AI at HackerOne'
canonical: 'https://feeny.ai/job/software-engineer-applied-ai-hackerone-seattle-8g7953nwke1c'
type: 'job'
last_seen: '2026-09-11'
---

# Software Engineer, Applied AI at HackerOne

- **Company:** HackerOne
- **Location:** Seattle, WA
- **Compensation:** $166k–$203k
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-02-25
- **Last confirmed live:** 2026-09-11
- **Apply:** https://jobs.ashbyhq.com/hackerone/9721a4c7-ff1e-47ca-a89e-97688ebff96c/application

**Skills:** PyTorch, TensorFlow, HuggingFace Transformers, LLMs, Generative AI, API Development, RAG Pipelines, ReAct, AutoGen, LangChain, Semantic Kernel, Prompt Engineering, LLM Evaluation, AWS Bedrock, GCP Vertex AI, Azure ML, Ruby on Rails, GraphQL

> Develop next-generation AI security capabilities, including the in-platform AI security agent Hai, by integrating LLM-powered workflows and RAG pipelines. The role involves building APIs, contributing to security automation, and collaborating cross-functionally to enhance vulnerability detection and threat response.

## Job description

HackerOne is a global leader in Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting, AI red teaming, and code security, 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 and has been named a Most Loved Workplace for Young Professionals (2024).

HackerOne is at a pivotal inflection point in the security industry. Offensive security is no longer optional – it is the standard for forward-thinking companies that want to build trust and resilience in a world where AI-driven innovation and adversaries are moving faster than ever. With the industry shifting, HackerOne stands apart: we combine the ingenuity of the largest security research community with a best-in-class AI-powered platform, trusted by the world’s top organizations.

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.

Software Engineer, Applied AI

Location: Seattle, WA; Austin, TX; Boston, MA; Washington, DC 1 day onsite per week

Position Summary At HackerOne, we’re revolutionizing offensive security by combining human intelligence with artificial intelligence to help organizations build a safer internet. As an AI Engineer on our AI Platform team, you will contribute to the development of next-generation AI security capabilities, including our in-platform AI security agent, Hai. You will implement AI-powered features that enhance vulnerability discovery, improve security analysis workflows, and expand how thousands of customers detect and respond to emerging threats. 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 remote role targeted for candidates within ~50 miles of Seattle, WA; Boston, MA; Washington, DC; or Austin, TX. 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 on Thursdays.

Primary Responsibilities Success in the AI Engineer role will be accomplished by delivering on the responsibilities below in alignment with the Values and Talent Principles that define how we work at HackerOne.

- Apply an AI First mindset by building and integrating AI capabilities such as LLM-powered workflows, RAG pipelines, or orchestration components that enhance vulnerability detection and security automation.
- Demonstrate First Principles Problem Solving by breaking down AI and security challenges into clear components, identifying core assumptions, and implementing simple, maintainable solutions.
- Use Data-Driven Decision Making to evaluate model performance, test hypotheses, analyze telemetry, and iterate on features based on measurable impact.
- Practice Change Agility by adapting to evolving AI frameworks, product requirements, and security considerations while maintaining delivery momentum.
- Contribute to the development of our AI security agent, Hai, implementing features that enable natural language insights, reasoning workflows, and secure model interactions.
- Build and maintain APIs and services that enable secure interactions between AI models, internal systems, and third-party platforms.
- Partner cross-functionally with Product, Security Research, and Customer Success to clarify requirements, translate user needs into technical tasks, and deliver reliable solutions.
- Stay current with emerging AI and AI security trends, sharing learnings with the team and incorporating relevant advancements into your work.

## Minimum Qualifications

- 3+ years of experience as a software engineer, with hands-on experience building production systems
- Experience integrating LLMs or generative AI models into applications Hands-on experience with ML frameworks such as PyTorch, TensorFlow, or HuggingFace Transformers
- Must be able and willing to come to the office once per week (typically Thursdays)

## Preferred Qualifications

- Familiarity with agentic frameworks such as ReAct, AutoGen, LangChain, or Semantic Kernel
- Experience with RAG architectures, prompt engineering, fine-tuning, or LLM evaluation techniques
- Exposure to cloud AI/ML services (AWS Bedrock, GCP Vertex AI, Azure ML)
- Familiarity with full-stack technologies such as Ruby on Rails, GraphQL, or React for integrating AI features into production systems

Compensation Bands: Seattle, WA; Boston, MA; Washington, DC; or Austin, TX $166K – $203K • Offers Equity

## #LI-HM1

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.

## About HackerOne

## Company Overview
- **One-liner**: HackerOne provides a unified platform that combines AI and human insight to help organizations identify, manage, and remediate security vulnerabilities through bug bounty, pentesting, and vulnerability disclosure programs.
- **Entity Type**: Private
- **Headquarters**: San Francisco, California, USA (with hubs in eight global locations)
- **Founded**: 2012
- **Founders**: Michiel Prins, Jobert Abma, Alex Rice, Merlijn Boogaard

## Core Business
- Primary industry/industries: Cybersecurity (Vulnerability Management, Bug Bounty, Penetration Testing)
- Target customers: B2B serving Global 2000 companies, technology firms, government agencies, and open-source projects across all industries
- Mission or purpose statement: To empower the world to build a safer internet by making world-class security accessible to everyone [hackerone.com](https://www.hackerone.com/company)

## Products & Services
- **HackerOne Platform**: A unified SaaS platform that integrates bug bounty programs, vulnerability disclosure programs (VDPs), and penetration testing services. It leverages a global community of ethical hackers alongside AI-driven vulnerability detection.
- **Bug Bounty Programs**: Organizations pay rewards ("bounties") to ethical hackers for discovering and reporting security vulnerabilities. HackerOne manages the triage, validation, and remediation workflow.
- **Pentest as a Service (PTaaS)**: On-demand, managed penetration testing delivered by HackerOne's internal security experts, providing continuous testing beyond traditional point-in-time assessments.
- **Vulnerability Disclosure Program (VDP)**: A managed service for setting up a secure channel for external researchers to report security issues, reducing risk from unknown vulnerabilities.
- **HackerOne AI**: Proprietary AI tools and models that analyze vulnerability reports, reduce false positives (25% of findings are actionable), and accelerate remediation workflows [hackerone.com](https://www.hackerone.com/company).

## Market Standing
- **Valuation/Market Cap**: Approximately $2.9 billion (as of July 2025, based on secondary market reports; not officially confirmed)
- **Key Metric**: Total Funding - Over $160 million raised from notable venture capital firms.
- **Notable Investors/Partners**: Valor Equity Partners, EQT Partners, Benchmark, New Enterprise Associates (NEA), Dragoneer Investment Group, and others. Strategic partnerships include the "Internet Bug Bounty" (IBB) for core internet infrastructure [hackerone.com](https://www.hackerone.com/company).
- **Growth Signals**: Over 90% of customers trust HackerOne; 1,300+ companies use the platform; 600,000+ bugs have been discovered; the company reported a 210% increase in vulnerability reports in 2025, and has published millions in AI vulnerability reports [hackerone.com](https://www.hackerone.com/company).

## Competitive Advantages
- **Global Hacker Community**: The world's largest community of elite ethical hackers providing unmatched scale and diversity of testing perspectives.
- **Unified Platform + AI**: The only platform that unifies bug bounty, VDP, and PTaaS with proprietary AI, creating a "high signal, low noise" environment (25% of findings are actionable).
- **Deep Integration with Customers**: Offers $4M+ ROI per critical vulnerability before a breach occurs, making it a high-value, sticky platform for enterprise security teams.
- **Founding Member of IBB**: Unique credibility and access to securing core internet infrastructure and open source projects [hackerone.com](https://www.hackerone.com/company).

## Strategic Focus
- **AI-Powered Security**: Continuing to invest in AI that enhances vulnerability detection, triage, and remediation, while also using AI to generate new attack simulations.
- **Expanding Enterprise Adoption**: Growing its customer base among Global 2000 companies with PTaaS and managed services.
- **Community Growth and Engagement**: Deepening relationships with ethical hackers through events, training, and increased bounty opportunities.
- **Open Source & Infrastructure Security**: Maintaining its leadership role in securing critical internet infrastructure through the IBB and other community initiatives.

## Why Work Here
- **Mission-Driven Culture**: Employees ("Hackeronies") are united by a mission to build a safer internet. The company explicitly seeks candidates who are passionate about this mission [hackerone.com](https://www.hackerone.com/careers).
- **Flexible Work Philosophy**: HackerOne embraces a "Flexible Work" model with hubs in eight global locations, emphasizing collaboration and community while providing flexibility to perform at one's best [hackerone.com](https://www.hackerone.com/careers).
- **Core Values**: The company operates on three core values: Lead with integrity, Default to disclosure (transparency builds trust), and Execute with excellence [hackerone.com](https://www.hackerone.com/careers).
- **Diversity, Equity & Inclusion**: HackerOne is committed to creating an inclusive culture where diverse teams increase creativity, belonging, and performance. They have Employee Resource Groups (ERGs) to foster community.
- **Comprehensive Benefits**: Includes generous paid time off, parental leave (maternity, paternity, family caregiver), medical coverage, retirement plans, and compensation packages linked to long-term company success [hackerone.com](https://www.hackerone.com/careers).
- **Compensation Philosophy**: Pay is based on internal equity and local market data to remain competitive, with a system focused on job duties, experience, location, and tenure [hackerone.com](https://www.hackerone.com/careers).
- **Onboarding (HATCH) Program**: New hires join a cohort-based onboarding program that covers culture, product, and tools like "Working Genius" to help employees thrive [hackerone.com](https://www.hackerone.com/blog/recruitment-process-what-expect-when-you-apply-hackerone).

## Sources
1. [HackerOne About Us Page](https://www.hackerone.com/company)
2. [HackerOne Careers Page](https://www.hackerone.com/careers)
3. [HackerOne Recruitment Process Blog](https://www.hackerone.com/blog/recruitment-process-what-expect-when-you-apply-hackerone)
4. [HackerOne LinkedIn Profile](https://www.linkedin.com/company/hackerone)
5. [HackerOne Job Board](https://jobs.ashbyhq.com/hackerone)

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