Product Engineer

We believe that software is the foundation of modern civilization - yet vulnerabilities threaten its integrity, security, and resilience. We are on a mission to solve security.

depthfirst is building intelligence to detect and remediate critical software vulnerabilities. We are training and scaling security AI agents to discover zero-days vulnerabilities across large customer codebases and popular open source software.

Our founding team includes deep expertise in data, infrastructure, security and LLMs with technical leaders from DeepMind, Databricks, Square, and Faire. We are looking for strong technical people who are interested in working at the intersection of AI, Security, and Infrastructure.

We’re seeking an experienced front-end focused Product Engineer to lead the charge in building the world’s first AI-native platform that autonomously finds and fixes software vulnerabilities in your code. You will work on developing and designing our web app, already serving many large customers, finding and remediating vulnerabilities at scale. You’ll play a central role in driving the product, understanding the user, and reimagining how companies do security.

• 3+ years of professional experience in front-end engineering, with a deep understanding of React and JavaScript/TypeScript, Postgres (Neon).

• Knowledge of Next.js is a bonus.

• Proven experience optimizing large-scale web applications for performance, scalability, and maintainability.

• Expertise in developing reusable UI frameworks, libraries, and tools.

• Familiarity with state management libraries (e.g., Redux, Zustand) and modern CSS frameworks (e.g., Tailwind CSS).

• Strong understanding of web fundamentals: HTTP, browser rendering pipelines, and web performance metrics.

• Attention to detail, product mindset and a desire to build user-centric products