Senior Engineer, Full Stack – Pentest Experience

🔥 0 minutes ago

🇺🇸 United States – Remote

💵 $170k - $235k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.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 across backend services, APIs, and modern web interfaces • 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 • Communicate technical topics, tradeoffs, delivery risks, and implementation choices to technical and non-technical audiences • Contribute to architecture and design discussions • Write high-quality code, tests, and technical documentation • Provide code reviews that improve team output • Support and mentor less experienced engineers • Improve engineering quality, team execution, and product experience through ownership and continuous improvement

🎯 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 backend and frontend layers • Experience developing backend services using Go, Rust, Python, Java, TypeScript, or similar • Experience building frontend applications with Angular, React, or similar modern frameworks • Experience working with SQL-based relational databases in production • 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 • Knowledge of data modeling and persistence layers • Knowledge of cloud-native application development and deployment patterns • Knowledge of observability, reliability, and operational best practices • Ability to independently drive substantial work from problem definition through delivery • Strong written and verbal communication skills • Experience mentoring engineers through code reviews, design collaboration, and technical guidance • Product-minded approach and ability to balance competing priorities • Applicants must be legally authorized to work in the United States • Preferred: PostgreSQL and performance tuning, Neo4j or graph databases, GraphQL, ETL pipelines, observability stacks, and cybersecurity or vulnerability-management experience

🏖️ Benefits

• Equity package in the form of stock options for all full-time roles • Health, vision, and dental insurance for you and your family • Flexible vacation policy • Generous parental leave • Growth and career development opportunities • Inclusive and collaborative culture • Remote and hybrid work models depending on role and location • Team project kickoffs and annual company meetings • Up to 10% travel opportunities