Senior AI Engineer

NLP PEOPLE; Madrid; Híbrido; EUR 60.000 - 90.000; Jornada completa

Descripción de la vacante

A leading technology firm is seeking a Senior AI Engineer in Madrid to lead the design and deployment of AI initiatives. You'll mentor a diverse team and drive technical decisions impacting business operations. This role requires deep expertise in AI and machine learning frameworks, particularly in Python and cloud technologies. The company offers a flexible hybrid working model and numerous wellbeing initiatives.

Servicios

Hybrid working model

4 additional wellbeing days

Access to learning platforms

Volunteering days

Additional location-based benefits

Formación

• 5–8+ years of professional AI experience with enterprise-scale systems.
• Expert-level proficiency in Python and SQL.
• Extensive practical experience with production ML frameworks.

Responsabilidades

• Define comprehensive AI architectures and lead integration of ML and LLM methods.
• Direct ML pipelines and LLM models in production.
• Mentor AI team members and ensure quality standards.

Conocimientos

Python

SQL

Cloud platforms (AWS, Azure, GCP)

Container orchestration (Docker, Kubernetes)

Production ML frameworks

Advanced LLM models

Fine-tuning

Prompt engineering

Performance optimization

Apache Airflow

Descripción del empleo

Overview

Who we are We are on a mission to make all science open, enabling the research community to develop the solutions we all need to live healthy lives on a healthy planet. Frontiers is one of the world’s largest and most impactful research publishers, dedicated to making peer-reviewed, quality-certified science openly accessible. Our articles have been viewed 4 billion times, reflecting the power of research that is open for all.

Follow the links below to learn more about our work. www.frontiersin.org/about/annual-reports www.youtube.com/watch?v=87ejFfnQzko

What we can offer you

• Hybrid working model, offering flexibility to work from home while staying connected through our office hubs in key locations.
• A range of benefits across our global locations, including:
• 4 additional wellbeing days in addition to existing annual leave allowance
• Access to learning platforms and dedicated learning & development time
• A range of wellbeing initiatives, including free online yoga classes and an employee assistance plan
• Three paid volunteering days per year
• Additional benefits depending on location (e.g., pension plan and private medical care)

About the Role

We seek an exceptional Senior AI Engineer to lead the end-to-end design, development, and deployment of strategic AI initiatives. You will play a critical role in architecting scalable, robust, and secure AI and LLM-powered solutions, significantly impacting business operations and strategic decision-making. In this senior role, you will guide cross-functional teams, mentor junior and mid-level colleagues, and drive key technical decisions involving complex data engineering, advanced ML models, and next-generation LLM methodologies.

Bring your deep technical expertise, strategic vision, and passion for AI innovation to our expanding team!

Key Responsibilities

• Define comprehensive, scalable AI architectures, leading complex integration of data processing, traditional machine learning, and emerging LLM methodologies.
• Direct development, deployment, monitoring, and continuous optimization of ML pipelines and LLM models in production contexts.
• Align technical innovation with organizational business strategies and OKRs, collaborating with stakeholders across multiple functions.
• Provide mentorship, guidance, and ongoing leadership to AI team members, driving quality and excellence, including documentation and knowledge-sharing.
• Lead troubleshooting and complex problem-solving efforts, ensuring robust and reliable ML systems and LLM deployments.

Required Skills and Experience

• Typically 5–8+ years of professional AI experience, with a proven track record of leading and deploying enterprise-scale AI systems.
• Expert-level proficiency in Python, SQL, cloud platforms (e.g., AWS, Azure, GCP), and container orchestration tools (Docker, Kubernetes).
• Extensive practical experience with production ML frameworks, advanced LLM models, fine-tuning, prompt engineering, performance optimization, and orchestration tools (Apache Airflow).
• Exceptional communication, leadership, and strategic influencing skills, with ability to convey complex technical concepts clearly across stakeholder levels.
• Proven problem-solving excellence and ability to adapt, learn, and integrate evolving AI techniques.

Nice-to-Have Skills

• Experience with infrastructure as code (Terraform) for scalable AI solutions, sophisticated system design, and data governance practices.
• Experience in secure and robust AI deployments.
• Interest and experience in generative AI, LLM innovation, and ongoing professional knowledge-building.

Apply

Please click the ‘apply’ button on this page and submit your application in English. Please inform us if you require any special accommodations to participate fully in our recruitment experience. You can contact us at for any additional support.

Equal opportunity

Frontiers actively embraces diversity and is a safe and welcoming workplace. Recruitment is free from discrimination – including based on race, national or ethnic origin, age, religion, disability, sex, gender identity or sexual orientation. With employees from more than 50 nations, our diversity creates vibrant teams and challenges us to appreciate multiple perspectives.

Company

Frontiers Software SL