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.

⭐️ About You

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 feedback, and enjoy collaborating across disciplines.

✨ Benefits

- Competitive salary, aligned with your experience and impact.
- High-growth, multicultural, inclusive, and friendly environment.
- Mentorship and support to advance your AI expertise.
- Be part of one of the hottest startups in Barcelona.

📌 AI Engineer (Barcelona)
🏢 Talent
📍 Barcelona