Backend Engineer (multiple positons)

We’re seeking an experienced Backend Engineer to lead the charge in building the world’s first AI-native platform that autonomously finds and fixes software vulnerabilities in code. You will work on infrastructure that powers our security AI agents. You’ll play a central role in designing a scalable infrastructure, solving challenges from code execution at scale, complex agent orchestration, evaluation benchmark and training pipelines. We care about engineering excellence and secure & well-architected designs that scale to thousands of enterprise-level users. Your work will play a crucial role in building a product that aims to redefine how companies do security.

Be a Technical Leader : Provide mentorship, set technical direction, and define best practices for backend engineering at DepthFirst.

Architect and Scale complex coding agent pipelines that scan and execute very large codebases to find the most intricate vulnerability.

Build, Maintain and Evolve evaluation benchmarks for AI agents that reflects the problems our users face

Take Ownership of our product, contributing to its architecture, performance, and long-term success

Work on a Product that Solves a Critical Problem - and we already have a handful of customers who have found it valuable in fixing some eye-opening vulnerabilities within the first few days of using our product.

Typescript, Python

Temporal, React, NextJS

Postgres, Temporal, Redis

LLMs everywhere

AWS