depthfirst · 7 hours ago
Backend Engineer (multiple positons)
San Francisco, CA
Full-time
Hybrid
Mid, Senior Level
3+ years expDepthFirst is a company dedicated to solving software security challenges through innovative AI solutions. They are looking for an experienced Backend Engineer to build an AI-native platform that autonomously identifies and fixes software vulnerabilities, contributing to a product that redefines security practices for enterprises.
Software
Responsibilities
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
Qualification
Required
3+ years of full-time experience in backend software engineering
A passion for programming and solving problems with code. Building reliable and stable products to solve real user problems
A bachelor's degree in Computer Science/Software Engineering or equivalent industry experience
A love for technology, and an insatiable curiosity for new tools to tackle real problems
Capable of solving complex problems with simple solutions. Building reliable and scalable products, making right trade-offs along the way
A tendency to leave things in a better way than you found it
Preferred
Familiarity with multiple languages is a plus. Our stack is Typescript/Python
Benefits
Health and Dental Insurance
Office lunch (when working from our San Francisco office)
Company
depthfirst
Applied AI lab focused on cybersecurity
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$40MKey Investors
Accel
2026-01-14Series A· $40M
Recent News
2026-01-17
2026-01-16
2026-01-16
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