Webapp Offensive Security Engineer

Horizon3.ai

. Design, develop, and integrate web application offensive security content into the NodeZero platform .

Posted 5/12/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $185,000 - $240,000 per yearWebsite

Tech Stack

Tools & technologies

Neo4jPostgres

About the role

Key responsibilities & impact

Design, develop, and integrate web application offensive security content into the NodeZero platform
Design, develop, and integrate novel attack capabilities into the NodeZero platform, including offensive security tooling and AI-enhanced techniques.
Research and implement AI-driven methods for vulnerability detection, exploitation, and workflow automation.
Extend and maintain platform architecture, data models, and system design to support new product features.
Monitor production for issues or missed opportunities and create or resolve Jira tickets as needed.
Investigate, own, and resolve bugs in developed content.
Collaborate cross-functionally to address customer and prospect concerns related to attack content.
Author technical blog posts showcasing new research, exploits, or attack methodologies.
Mentor junior engineers and contribute to continuous improvement of team processes and standards

Requirements

What you’ll need

Experience conducting full scope web application pentests
Experience with proxy tools like Burp and with browser developer tools
Proficient in object-oriented programming and test-driven development, with strong analytical and problem-solving skills.
Experience applying AI-assisted development tools to security research and automation tasks
Curiosity about emerging AI technologies.
Familiarity with relational and graph databases, particularly Postgres and Neo4j.
Strong written and verbal communication, including technical documentation.
Ability to manage multiple priorities, work independently, and mentor teammates of varying experience levels.
Quick to learn and adopt new technologies as needed.
Track record of successful bug bounty contributions.

Benefits

Comp & perks

Health, vision & dental insurance for you and your family
Flexible vacation policy
Generous parental leave

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

web application pentestingoffensive security toolingAI-driven vulnerability detectionworkflow automationobject-oriented programmingtest-driven developmentrelational databasesgraph databasesPostgresNeo4j

Soft Skills

analytical skillsproblem-solving skillsstrong written communicationstrong verbal communicationmentoringindependencecuriosityability to manage multiple prioritiescollaborationcontinuous improvement