🚀 AI Research Engineer (PhD required)
Hiring now — limited positions available!
NeuralTrust
- 📍 Location: Barcelona
- 📅 Posted: Oct 29, 2025
Overview
Get AI-powered advice on this job and more exclusive features. At NeuralTrust, we’re looking for a
AI Research Engineer (PhD required)
to take our company to the next level. Join us! About NeuralTrust We’re a Barcelona-based, remote-first startup. Our SaaS platform provides the essential tools for large companies to integrate generative AI into their products and services in a secure, reliable, and measurable way. We’re backed by top European investors and institutions, and we have standing research agreements with Spanish universities. Generative AI is the largest platform shift since the Internet and mobile. It’s transforming how people interact with companies, leading to a major shift towards natural language. At NeuralTrust, we combine cutting-edge language models, large-scale data processing, and intuitive user experience to build technology that empowers enterprises worldwide. Our team is multinational, research-driven, and ambitious. If you want to apply your PhD expertise to solve real-world problems at scale, this is your opportunity. What You Will Do
Design and implement novel AI-driven components of our platform. Apply state-of-the-art research in NLP, LLMs, and generative AI to production systems. Lead experiments in fine-tuning, evaluation, and deployment of advanced models. Develop efficient pipelines for large-scale data and model training. Collaborate with engineering and product teams to turn research into practical solutions. Publish technical articles, internal papers, and contribute to our knowledge base. Stay at the frontier of AI by evaluating new research and integrating findings. This role
requires a PhD
in AI, Machine Learning, Natural Language Processing, Computer Science, or a closely related field. Qualifications
PhD with strong research experience in AI/ML (NLP, generative AI, or similar). Proven record of publications, patents, or significant contributions to the AI field. Strong coding skills in Python and familiarity with frameworks like PyTorch or TensorFlow. Solid foundation in algorithms, optimization, and applied statistics. Hacker mentality: able to rapidly prototype, experiment, and adapt. Comfortable bridging research and engineering: from theory to production. Team player with a collaborative mindset and strong communication skills. Competitive salary, aligned with your experience and impact. High-growth, multicultural, inclusive, and friendly environment. Flexible schedules and remote-first culture. Opportunity to drive groundbreaking AI research into production. Mentorship, collaboration, and visibility in the global AI ecosystem. Be part of one of the hottest startups in Barcelona. Seniority level
Entry level Employment type
Full-time Job function
Engineering and Information Technology Industries: Technology, Information and Internet Referrals increase your chances of interviewing at NeuralTrust by 2x Get notified about new Artificial Intelligence Engineer jobs in
Barcelona, Catalonia, Spain .
#J-18808-Ljbffr
Get AI-powered advice on this job and more exclusive features. At NeuralTrust, we’re looking for a
AI Research Engineer (PhD required)
to take our company to the next level. Join us! About NeuralTrust We’re a Barcelona-based, remote-first startup. Our SaaS platform provides the essential tools for large companies to integrate generative AI into their products and services in a secure, reliable, and measurable way. We’re backed by top European investors and institutions, and we have standing research agreements with Spanish universities. Generative AI is the largest platform shift since the Internet and mobile. It’s transforming how people interact with companies, leading to a major shift towards natural language. At NeuralTrust, we combine cutting-edge language models, large-scale data processing, and intuitive user experience to build technology that empowers enterprises worldwide. Our team is multinational, research-driven, and ambitious. If you want to apply your PhD expertise to solve real-world problems at scale, this is your opportunity. What You Will Do
Design and implement novel AI-driven components of our platform. Apply state-of-the-art research in NLP, LLMs, and generative AI to production systems. Lead experiments in fine-tuning, evaluation, and deployment of advanced models. Develop efficient pipelines for large-scale data and model training. Collaborate with engineering and product teams to turn research into practical solutions. Publish technical articles, internal papers, and contribute to our knowledge base. Stay at the frontier of AI by evaluating new research and integrating findings. This role
requires a PhD
in AI, Machine Learning, Natural Language Processing, Computer Science, or a closely related field. Qualifications
PhD with strong research experience in AI/ML (NLP, generative AI, or similar). Proven record of publications, patents, or significant contributions to the AI field. Strong coding skills in Python and familiarity with frameworks like PyTorch or TensorFlow. Solid foundation in algorithms, optimization, and applied statistics. Hacker mentality: able to rapidly prototype, experiment, and adapt. Comfortable bridging research and engineering: from theory to production. Team player with a collaborative mindset and strong communication skills. Competitive salary, aligned with your experience and impact. High-growth, multicultural, inclusive, and friendly environment. Flexible schedules and remote-first culture. Opportunity to drive groundbreaking AI research into production. Mentorship, collaboration, and visibility in the global AI ecosystem. Be part of one of the hottest startups in Barcelona. Seniority level
Entry level Employment type
Full-time Job function
Engineering and Information Technology Industries: Technology, Information and Internet Referrals increase your chances of interviewing at NeuralTrust by 2x Get notified about new Artificial Intelligence Engineer jobs in
Barcelona, Catalonia, Spain .
#J-18808-Ljbffr
👉 Apply Now
Hurry — interviews are being scheduled daily!