Jobs at HackerOne

21 open positions at HackerOne. Updated October 2026.

HackerOne currently has 21 open roles (on-site). Hiring locations include Seattle, Seattle, United States, United States. Frequently requested skills include graphql, rails, react, ruby, pytorch.

Website: https://4dayweek.io
Open roles: 21

About HackerOne

4dayweek.io is a job board dedicated to helping job seekers find roles at companies that offer a 4-day work week, 9-day fortnights, flexible schedules, and other reduced-hours policies. The platform lists thousands of jobs across various categories and locations, with a focus on work-life balance. It also provides resources on the pros and cons of shorter work weeks and offers an auto-apply feature called JobCopilot.

Open Roles at HackerOne

What HackerOne Hires For

Browse HackerOne openings alongside similar roles at other companies:

Senior & Staff Engineer Jobs (17) Full Stack Developer Jobs (10) Backend Developer Jobs (10) Data & ML Engineer Jobs (9) Frontend Developer Jobs (9) Security Engineer Jobs (6)

Open Roles at HackerOne by Category

Software Engineer, Applied AI (6) Manager, AI Engineering (3) Product Security Analyst (2) Software Engineer (2) Security Engineer, Detection and Response (2) Software Engineer, AI Platform (2)

HackerOne Jobs by Location

Seattle (7) Seattle, United States (5) United States (3) Pune (2) Austin (2) Washington DC (1)

HackerOne Jobs by Type

full_time (12) hybrid (5) remote (3) onsite (1)

Skills & Technologies at HackerOne

Based on the skills most frequently listed in current HackerOne job openings:

graphql rails react ruby pytorch tensorflow huggingface langchain aws python postgresql docker

How to Apply for Jobs at HackerOne

All HackerOne openings listed above are aggregated from the company's official careers channels and updated October 2026. To apply, open any role that matches your profile and use the Apply Now button — it takes you directly to HackerOne's official application page, so your application always goes to the employer itself, with no middleman.

Before applying, tailor your CV to the specific role: mirror the job title, highlight the skills and technologies mentioned in the listing (for HackerOne, commonly graphql, rails, react, ruby, pytorch, tensorflow, huggingface, langchain, aws, python, postgresqldocker), and quantify your impact where possible. You can also save interesting roles to your JobSeek account to track deadlines and compare offers side by side.

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