horizon3ai - Webapp Offensive Security Software Engineer
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Requirements
• 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. • Skilled in designing, evaluating, and communicating technical solutions across systems, APIs, algorithms, and data structures. • 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. • History of recognized security research, including documented CVE discoveries and responsible disclosure • Track record of successful bug bounty contributions • Experience developing software and automation to aid in web application pentesting • Background in large-scale software development projects. • Experience fine-tuning language models or implementing retrieval-augmented generation (RAG) for security-focused applications. • Experience with AI/LLM tools for building agentic workflows (e.g., LangChain, LangFlow) and integrating contextual data using protocols like Model Context Protocol (MCP). • Outstanding problem-solving aptitude. • Be self-motivated and highly energetic to have the ability to operate effectively with limited supervision and guidance. • Work with our security researchers to understand the technical aspects of reverse engineered exploits and weaponizing these exploits into the product. • Strong technical documentation and communication skills. • Document findings, methodologies, and recommendations for both technical and non-technical stakeholders. • Proficient in designing, presenting, and evaluating technical solutions. • What makes you stand out: • Demonstrated examples of using AI to enhance or automate exploit development • OSCP (Offensive Security Certified Professional) Certification • We are a fully remote company, and this job may require up to 15% of travel to be successful. Job-related travel expenses are reviewed and must be approved by your manager.
Benefits
• Inclusive Team: We value diversity and promote an inclusive culture where everyone can thrive. • Growth Opportunities: Be part of a dynamic and growing team with numerous career development opportunities. • Innovative Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking. • Remote Work: We are a 100% remote company. Enjoy the convenience and work-life balance that comes with remote work. • Competitive Compensation: We offer competitive salary, equity and benefits. Our benefits include health, vision & dental insurance for you and your family, a flexible vacation policy, and generous parental leave. • At Horizon3, we believe that our people are our greatest asset, and our compensation philosophy reflects this core value. We are committed to fostering an environment where all employees feel valued, respected, and rewarded for their contributions. Our compensation structure is designed to be fair, competitive, and transparent, ensuring that every team member is recognized and compensated equitably across roles, levels, and locations. • In accordance with various State’s transparency regulations, we provide the following salary range information for this position: • Base salary range: $185,000 - $240,000 annually. The exact salary will be determined based on the selected candidate’s location, qualifications, experience, and relevant skills. • Additional compensation: All full-time roles are eligible for an equity package in the form of stock options. • You Belong Here
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