Senior AI Security Engineer

Job description:

- Shape AI security at the edge, turning new threats into protections customers can actually use

- Think like an attacker, finding new ways AI systems can be exploited, and ways to stop them

- Build for real time, catching threats without slowing down the applications we’re protecting

- Own problems end-to-end, from early experiments and architecture to production

- Make the hard trade-offs between detection accuracy, false positives, latency, cost, and customer experience

- Take what works globally across bunny.net’s edge network

Requirements:

- 7+ years building and architecting production software, with hands-on experience in Python

- Deep hands-on LLM and agent experience, including model APIs, tool/function calling, context management, guardrails, and evaluation

- Strong LLM security experience, including detecting threats such as prompt injection, jailbreaks, data leakage, tool abuse, or agent security

- Hands-on machine learning experience, building or integrating models for classification, anomaly detection, or threat detection

- Strong HTTP and API knowledge, ideally from building gateways, proxies, middleware, or systems that operate in the request/response path

- You use AI tools to move faster, and you know how to test, challenge, and safely use what they generate in production

- Real-time detection or enforcement experience, working with rules, heuristics, classifiers, anomaly detection, ML models, or a combination of them

- Production experience with LangChain, LangGraph, Hugging Face, PyTorch, TensorFlow, scikit-learn, or similar

- Experience with model evaluation, embeddings, fine-tuning, or specialized detection models

- Experience with streaming or low-latency systems

- Experience with CDNs, edge computing, or globally distributed infrastructure

We offer:

- Europe, ideally within CET ±3 hours so collaboration with the team feels natural rather than scheduled.

- Life at bunny.net comes with benefits that make work (and life) better.

- 100% flexible hours - Your work, your rhythm. Whether you thrive at 3 am or on a beach at noon, we've got you.

- Remote-first by design - No offices, no commute, just the freedom to work anywhere. Miss the office? We’ll give you a 3-night voucher for visiting our headquarters.

- Medical, dental, and vision insurance - Coverage worldwide.

- Paid time off - Love the slopes or the sea? Enjoy them with 25 vacation days, plus an extra loyalty day each year, capped at 5 years (30 days total), on top of your local public holidays.

- Meeting-free Thursdays - We keep Thursdays meeting free internally so you can focus on deep work without interruptions.

- Home office budget - We believe everyone is more efficient working in a comfortable office, and we're happy to help you set it up with an annual budget of €500.