{"schemaVersion":"jobsearcher.job.v1","id":"54761c550d346c16839bfcdd","url":"https://jobsearcher.com/jobs/54761c550d346c16839bfcdd","canonicalUrl":"https://jobsearcher.com/jobs/54761c550d346c16839bfcdd","title":"Senior Software Engineer, Platform","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, 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).\r\nHackerOne 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.\r\nHackerOne Values\r\nHackerOne 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.\r\nSenior Software Engineer, Platform\r\nLocation: Seattle, WA; Austin, TX; Boston, MA; Washington, DC\r\n1 day onsite per week\r\nPosition Summary\r\nAt HackerOne, we're revolutionizing offensive security by combining human intelligence with artificial intelligence to help organizations build a safer internet. As a Senior Software Engineer on our AI Platform team, you will contribute directly to the development of our next-generation AI security capabilities, including our in-platform AI security agent, Hai . You will help develop AI-powered features that enhance vulnerability discovery, improve security analysis workflows, and expand how thousands of customers detect and respond to emerging threats.\r\nAt 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; 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 (typically Thursdays).\r\nPrimary Responsibilities\r\nSuccess in this role will be accomplished by delivering the responsibilities below in alignment with HackerOne's Talent Principles : AI-First , Change Agility , Data-Driven Decision Making , and First Principles Problem Solving .\r\nContribute to the evolution of the cloud-based execution platform for the AI security agent Hai, implementing features that enable natural language-driven security insights, improved reasoning, and secure action workflows.\r\nDesign and implement core components for end-to-end execution of security agents, including agent execution frameworks, memory services, RAG services, and observability systems.\r\nOperate with an AI-first mindset, leveraging tools such as Claude Code and ChatGPT Enterprise to significantly improve productivity across coding, design documentation, on-call response, and customer escalation handling.\r\nCollaborate cross-functionally with Product, Security Research, and Customer Success to translate customer needs into clear engineering requirements and deliverables.\r\nDevelop and integrate APIs that enable secure interactions between AI models, internal services, and third-party systems, adjusting quickly as requirements evolve with Change Agility .\r\nUse metrics, evaluation data, and telemetry to validate model behavior and improve system performance in alignment with Data-Driven Decision Making .\r\nBreak down complex distributed systems and security problems into smaller, fundamental components, applying First Principles Problem Solving to deliver simple, scalable solutions.\r\nMinimum Qualifications\r\n5+ years of experience as a software engineer\r\nMust be able and willing to come to the office once per week (typically Thursdays).\r\nExperience working with cloud services like AWS, GCP or Azure.\r\nExperience implementing distributed system features within production-grade AI or ML systems, including integrating LLMs or generative AI models into applications\r\nFamiliarity with model deployment workflows, evaluation techniques, or MLOps concepts\r\nUnderstanding of responsible AI development and basic AI safety considerations\r\nPreferred Qualifications\r\nExperience working with cloud AI/ML services (AWS Bedrock, GCP Vertex AI, Azure ML)\r\nExperience with Agentic AI Ops, ML Ops.\r\nExposure to agentic frameworks such as ReAct, AutoGen, LangChain, or Semantic Kernel\r\nFamiliarity with full-stack technologies such as Ruby on Rails, GraphQL, or React—especially for integrating AI capabilities into existing systems\r\nCompensation Bands\r\nSeattle, Austin, Boston, DC\r\n$182K – $222K • Offers Equity\r\nLI-Remote\r\nLI-HM1\r\nJob Benefits\r\nHealth (medical, vision, dental), life, and disability insurance*\r\nEquity stock options\r\nRetirement plans\r\nPaid public holidays and unlimited PTO\r\nPaid maternity and parental leave\r\nLeaves of absence (including caregiver leave and leave under CO's Healthy Families and Workplaces Act)\r\nEmployee Assistance Program\r\n*Eligibility may differ by country\r\nWe'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 as our Employer of Record (EOR).\r\nVisa/work permit sponsorship is not available.\r\nEmployment at HackerOne is contingent on a background check.\r\nHackerOne 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.\r\nThis 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 time.\r\nFor 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.\r\nJ-18808-Ljbffr","company":"Hackerone","rawCompany":"hackerone","city":"Austin","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-04-09T09:06:24.657Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Software Engineer, Platform","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, 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).\r\nHackerOne 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.\r\nHackerOne Values\r\nHackerOne 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.\r\nSenior Software Engineer, Platform\r\nLocation: Seattle, WA; Austin, TX; Boston, MA; Washington, DC\r\n1 day onsite per week\r\nPosition Summary\r\nAt HackerOne, we're revolutionizing offensive security by combining human intelligence with artificial intelligence to help organizations build a safer internet. As a Senior Software Engineer on our AI Platform team, you will contribute directly to the development of our next-generation AI security capabilities, including our in-platform AI security agent, Hai . You will help develop AI-powered features that enhance vulnerability discovery, improve security analysis workflows, and expand how thousands of customers detect and respond to emerging threats.\r\nAt 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; 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 (typically Thursdays).\r\nPrimary Responsibilities\r\nSuccess in this role will be accomplished by delivering the responsibilities below in alignment with HackerOne's Talent Principles : AI-First , Change Agility , Data-Driven Decision Making , and First Principles Problem Solving .\r\nContribute to the evolution of the cloud-based execution platform for the AI security agent Hai, implementing features that enable natural language-driven security insights, improved reasoning, and secure action workflows.\r\nDesign and implement core components for end-to-end execution of security agents, including agent execution frameworks, memory services, RAG services, and observability systems.\r\nOperate with an AI-first mindset, leveraging tools such as Claude Code and ChatGPT Enterprise to significantly improve productivity across coding, design documentation, on-call response, and customer escalation handling.\r\nCollaborate cross-functionally with Product, Security Research, and Customer Success to translate customer needs into clear engineering requirements and deliverables.\r\nDevelop and integrate APIs that enable secure interactions between AI models, internal services, and third-party systems, adjusting quickly as requirements evolve with Change Agility .\r\nUse metrics, evaluation data, and telemetry to validate model behavior and improve system performance in alignment with Data-Driven Decision Making .\r\nBreak down complex distributed systems and security problems into smaller, fundamental components, applying First Principles Problem Solving to deliver simple, scalable solutions.\r\nMinimum Qualifications\r\n5+ years of experience as a software engineer\r\nMust be able and willing to come to the office once per week (typically Thursdays).\r\nExperience working with cloud services like AWS, GCP or Azure.\r\nExperience implementing distributed system features within production-grade AI or ML systems, including integrating LLMs or generative AI models into applications\r\nFamiliarity with model deployment workflows, evaluation techniques, or MLOps concepts\r\nUnderstanding of responsible AI development and basic AI safety considerations\r\nPreferred Qualifications\r\nExperience working with cloud AI/ML services (AWS Bedrock, GCP Vertex AI, Azure ML)\r\nExperience with Agentic AI Ops, ML Ops.\r\nExposure to agentic frameworks such as ReAct, AutoGen, LangChain, or Semantic Kernel\r\nFamiliarity with full-stack technologies such as Ruby on Rails, GraphQL, or React—especially for integrating AI capabilities into existing systems\r\nCompensation Bands\r\nSeattle, Austin, Boston, DC\r\n$182K – $222K • Offers Equity\r\nLI-Remote\r\nLI-HM1\r\nJob Benefits\r\nHealth (medical, vision, dental), life, and disability insurance*\r\nEquity stock options\r\nRetirement plans\r\nPaid public holidays and unlimited PTO\r\nPaid maternity and parental leave\r\nLeaves of absence (including caregiver leave and leave under CO's Healthy Families and Workplaces Act)\r\nEmployee Assistance Program\r\n*Eligibility may differ by country\r\nWe'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 as our Employer of Record (EOR).\r\nVisa/work permit sponsorship is not available.\r\nEmployment at HackerOne is contingent on a background check.\r\nHackerOne 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.\r\nThis 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 time.\r\nFor 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.\r\nJ-18808-Ljbffr","datePosted":"2026-04-09T09:06:24.657Z","dateModified":"2026-04-09T09:06:24.657Z","hiringOrganization":{"@type":"Organization","name":"Hackerone","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Austin","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"54761c550d346c16839bfcdd"},"url":"https://jobsearcher.com/jobs/54761c550d346c16839bfcdd"}}