Software Engineer | AI Hacking Agents

Are cracked at Python and have experience owning high-reliability Python codebases.

Have hands-on experience building with LLM APIs .

Have 3+ years of software engineering experience or equivalent experience building production software.

Are comfortable taking end-to-end ownership of ambiguous and high-impact projects, including communicating with stakeholders outside of engineering.

Are pragmatic and biased toward action. You ship a MVP quickly, learn from feedback, and improve it rather than waiting for perfection.

Are excited to work 50%+ in person from our Amsterdam office.

Built AI agent harnesses or worked with agentic frameworks such as LangGraph, LangChain, or PydanticAI.

Experience with TypeScript, Go, or C# .

Experience with Kubernetes, GCP, or AWS .

Hands-on hacking or offensive security experience .

Contributed significantly to open-source AI projects or repositories .

Published research or presented at conferences in AI or related fields, alongside strong practical engineering experience.

Experience building AI products at a startup or scale-up , or having founded a company yourself.

Make the internet safer: We enable companies to protect their customers, employees, and other stakeholders from malicious hackers by providing real-time Exposure Management from the Hacker’s perspective

Board a primed rocket ship: Hadrian is growing fast; the team is approaching 90 wonderful people, notable customers are signed, and significant funding is raised. Now is the time to join our high-growth journey

Be part of a strong and dynamic culture: Our values define who we are as a group and serve as the cornerstones to guide us in building a product that our customers love. At Hadrian, we achieve this by championing a culture that takes ownership, succeeds together, increases velocity, and pursues growth

Our customers are seeking a world-class and reliable digital security service. That is exactly what we are offering. Therefore, a background check will be part of the process.