Senior AI Engineer

Frontiers; City Of London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A global research publisher is seeking a Senior AI Engineer to lead AI initiatives and develop scalable, robust solutions. The ideal candidate will have over 5 years of experience in AI, expertise in Python and cloud platforms, and strong leadership skills. This hybrid role allows for flexibility between home and office work. Join a diverse team committed to innovation in AI and research.

Benefits

4 additional wellbeing days

Access to learning platforms

Volunteer days

Wellbeing initiatives

Qualifications

• 5–8+ years of professional AI experience.
• Expert-level proficiency in Python, SQL, and cloud platforms.
• Experience with production ML frameworks and advanced LLM models.

Responsibilities

• Lead design, development, and deployment of AI initiatives.
• Define scalable AI architectures and integrate complex data processing.
• Provide mentorship and guidance to AI team members.

Skills

Python

SQL

AWS

Azure

GCP

Docker

Kubernetes

Apache Airflow

Leadership

Communication

Job description

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.

What we can offer you

At Frontiers our working model for new roles is hybrid, offering flexibility to work from home while staying connected through our office hubs in key locations. This approach reflects our commitment to productivity, trust, and a collaborative team culture.

We provide a range of benefits across our global locations, including but not limited to:

• 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
• Employees can dedicate three days each year to volunteer
• Additional benefits depending on your 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.
• Actively align technical innovation with organizational business strategies and OKRs, collaborating closely 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, demonstrating a successful 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 expertise communicating complex technical concepts clearly across all stakeholder levels.
• Proven problem-solving excellence and ability to continuously adapt, learn, and integrate evolving AI techniques.

Nice-to-Have Skills

• Proven ability in infrastructure as code (Terraform) for scalable AI solutions, sophisticated system design, and data governance practices.
• Demonstrable experience in secure and robust AI deployments.
• Deep interest and experience in generative AI, LLM innovation, and continuous professional knowledge-building.

Apply now

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 [e-mail] for any additional support.

Equal opportunity statement

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 different nations, our diversity creates vibrant teams and constantly challenges us to appreciate multiple perspectives.