Senior Software Engineer, Pentest Experience

🔥 0 minutes ago

🇺🇸 United States – Remote

💵 $200k - $235k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 20%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Horizon3.ai

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2019

🔒 Cybersecurity

🤖 Artificial Intelligence

☁️ SaaS

Cybersecurity • Artificial Intelligence • SaaS

Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.

📋 Description

• Build and ship product capabilities spanning backend services, APIs, and modern web application stacks • Own moderate-to-large projects end-to-end, including scoping, technical design, implementation, rollout, and iteration • Implement clear, maintainable, performant user-facing experiences aligned with product requirements and design direction • Partner with Product, Design, and adjacent engineering teams on cross-functional initiatives • Identify and resolve technical risks, blockers, and mis-scoped work • Explain technical decisions, tradeoffs, delivery risks, and implementation choices to technical and non-technical audiences • Contribute to architecture and design discussions focused on maintainability, operability, and long-term productivity • Write high-quality code, tests, and technical documentation • Provide code reviews that improve team output • Support and mentor less experienced engineers through feedback, onboarding, and collaboration • Improve engineering quality, team execution, and product experience through ownership and continuous improvement • Help build Horizon3.ai’s NodeZero platform for autonomous cybersecurity penetration testing and risk assessment

🎯 Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience • 6+ years of professional software engineering experience • Strong professional experience building and operating production software across the full stack • Ability to independently drive substantial work from requirements gathering through delivery • Experience building distributed backend services using Python, Go, Rust, Java, TypeScript, or similar • Experience building backend services on AWS, GCP, or Azure • Familiarity with Docker and containerized applications • Experience designing and operating APIs, services, and asynchronous or event-driven systems • Experience working with SQL-based relational databases in production • Experience with data modeling and persistence layers for product-grade backend systems • Experience with observability, reliability, and operational best practices for production services • Frontend development using modern JavaScript/TypeScript with React, Angular, or similar • Strong written and verbal communication skills • Preferred: PostgreSQL and performance tuning for large datasets • Preferred: graph databases such as Neo4j • Preferred: GraphQL backends • Preferred: ETL pipelines and data processing tools • Preferred: vulnerability management, exposure management, security telemetry, or related cybersecurity experience • Preferred: scoring or recommendation algorithms and data-intensive products • Preferred: partnering with product managers to define and sequence an MVP • Preferred: shaping technical direction across an organization

🏖️ Benefits

• Stock options/equity package for all full-time roles • Career development opportunities • Collaborative and innovative work environment • Remote and hybrid work models depending on role and location • Health, vision, and dental insurance for employees and families • Flexible vacation policy • Generous parental leave • Inclusive culture and diversity, equity, and inclusion commitment • Up to 10% travel to team project kickoffs and annual company meetings

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