At NeuralTrust, we’re looking for an

AI Engineer

to take our company to the next level. Join us

About NeuralTrust
We’re a Barcelona-based startup building the future of

AI

and

Agents security . Our SaaS platform enables large organizations to integrate generative AI into their products and services in a

secure, reliable, and measurable

way.

Backed by leading European investors and collaborating with top Spanish universities, NeuralTrust operates at the intersection of

AI innovation, cybersecurity, and enterprise transformation .

As generative AI reshapes industries, security and trust become board-level priorities. At NeuralTrust, we ensure organizations can adopt AI confidently and responsibly.

What You Will Do
Design, build, and optimize AI-driven components of our platform.
Work with state-of-the-art LLMs and fine-tune models for production use.
Develop pipelines for training, evaluation, and deployment of models.
Collaborate with backend and DevOps teams to integrate AI into scalable systems.
Research, prototype,



and experiment with the latest AI/ML techniques.
Write clean, efficient, and well-documented code.
Contribute to internal knowledge sharing through documentation and technical articles.
Stay ahead of the curve in the rapidly evolving AI ecosystem.

We use

Go and Python

in the backend, and Python is central to our AI work. We value problem-solvers with curiosity and drive, even if you don’t check every single box.

Strong experience with Python and ML/AI frameworks (e.g., PyTorch, TensorFlow).
Hands-on experience with LLMs, embeddings, or generative AI.
Experience with NLP concepts, vector databases, and retrieval-augmented generation.
Knowledge of data processing pipelines and MLOps practices.
Hacker mentality: you thrive in fast-paced environments, adapt quickly, and love turning ideas into working systems.
Strong foundation in algorithms, statistics, and applied machine learning.
Team player: you share knowledge, give and receive feedbac

📌 AI Engineer (Madrid)
🏢 NeuralTrust
📍 Madrid