Principal Frontend Engineer

Hampton North is partnering with a Series A security startup that helps enterprise teams find attackers already inside their environment. It's detecting abnormal behavior for that specific organization. The company is well funded by top-tier VCs such as Decibel and In-Q-Tel.The platform combines a per-customer behavioral system of record, continuously maintained detections, and autonomous AI agents that hunt from a hypothesis and build, test, and deploy new detections once they establish root cause.Compensation: 190-230k base + Equity

Location: Full Remote (US)US citizenship required due to customer base As a Principal Frontend Engineer, you'll own the customer-facing product experience that security teams rely on every day.

You'll lead frontend architecture and design systems, turning complex security data and agent-driven workflows into clear, intuitive interfaces, while working closely with product, threat hunters, detection engineers, and the data platform team.What You'll Be DoingOwning the architecture of the customer-facing web application and leading major frontend initiatives end to endBuilding and evolving the design system and component library that sets the standard for the product's UIDesigning intuitive interfaces for complex security data, including threat intelligence tailored to each customer's environmentBuilding a customer-facing query builder that lets users create composite detectionsCreating clear UX for AI agent workflows, making autonomous hunts and detections easy to understand and act onPartnering with backend and data teams on API design and data contracts that support a fast, responsive UISetting frontend engineering standards across performance, accessibility, testing, and AI toolingCo-owning the technical roadmap and advocating for the investments that matter mostWhat You'll Need6+ experienceExperience working in the security domainStartup experienceDeep expertise in TypeScript and a modern frontend framework (Angular, React, or similar)Strong opinions on design systems, component architecture, and what makes a great UIExperience building data-heavy, complex web applications at scaleSolid understanding of API design and how frontend and backend systems fit togetherWorking knowledge of a backend language such as Python, Go, Java, or RustExperience with AWS or GCPProven ability to turn ambiguous customer needs into polished product experiences