Hybrid Full-time

HackerOne is hiring a Senior Software Engineer

About the Role

HackerOne is looking for a Senior Software Engineer to join our Bug Bounty Product Line. In this role, you will serve as the technical lead for projects, building features for both our hacker community and customer companies while contributing as a collaborative team member.

What You'll Do

  • Work as a project lead together with stakeholders, designers and product leaders.
  • Build, ship and maintain highly-available, performant and durable features, focused on hacker-facing areas.
  • Work with your team to deliver key results for impactful objectives.
  • Be a part of cross-squad initiatives.
  • Mentor and be mentored by other engineers.
  • Identify and spearhead new initiatives, and make systematic improvements to technical weaknesses in codebases.

What We're Looking For

  • 8+ years of development experience within a SAAS environment.
  • Experience with dynamically typed, OOP languages such as JavaScript, Objective-C, PHP, Python or Ruby.
  • Practical SQL experience (5+ years, PostgreSQL preferred).
  • Practical experience with React JS or similar libraries.
  • Experience leading technical projects through all phases of the Software Development Lifecycle.
  • GenAI experience.
  • Hands-on expertise in applying AI and LLMs to real business functionality, with experience building and optimizing agentic workflows.

Nice to Have

  • Ruby on Rails (2+ years of experience).
  • React JS (2+ years of experience).
  • GraphQL.
  • Amazon Web Services.
  • Ability to coordinate efforts around new initiatives with senior engineers and product managers.

Technical Stack

  • Languages: JavaScript, Objective-C, PHP, Python, Ruby
  • Databases: PostgreSQL
  • Frameworks/Libraries: React JS, Ruby on Rails, GraphQL
  • Infrastructure: Amazon Web Services

Team & Environment

You will work within a squad in the Bug Bounty Product Line with other Seniors, Product Managers, and Designers.

Benefits & Compensation

  • Compensation: €90,000 – €110,000 + equity.
  • 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).
  • Employee Assistance Program.
  • Flexible Work Stipend.

Work Mode

This is a hybrid position based in Groningen, Netherlands.

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.

Required Skills
JavaScriptReact JSRuby on RailsPythonPHPGraphQLPostgreSQLAmazon Web ServicesObjective-CRubySoftware ArchitectureSystem DesignAPI Development
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About company
HackerOne

HackerOne is a global leader in offensive security solutions. The HackerOne Platform combines AI with the largest community of security researchers to find and fix security, privacy, and AI vulnerabilities across the software development lifecycle. The platform offers bug bounty, vulnerability disclosure, pentesting, AI red teaming, and code security.

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Job Details
Category fullstack
Posted 7 months ago