Lead Software Engineer - Working with AI

Harnham; España; Presencial; EUR 80.000 - 120.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive salary + equity/benefits package

Flexible working arrangements

Opportunity to work with cutting-edge technologies

Descripción de la vacante

A leading AI solutions provider is seeking a seasoned Lead AI Engineer to design and deploy advanced AI systems. This fully remote role involves leading technical AI projects and mentoring junior engineers. The ideal candidate will have over 5 years of experience in AI/ML engineering, strong Python skills, and hands-on experience with large language models. Join a collaborative team committed to innovation and shaping the future of intelligent products.

Formación

• 5+ years of professional experience in AI/ML engineering, especially in Python.
• Hands-on experience fine-tuning large language models.
• Experience building production-grade AI applications.

Responsabilidades

• Design, build, and deploy advanced AI systems.
• Lead technical direction of AI projects.
• Mentor junior engineers in AI practices.

Conocimientos

AI/ML engineering

Python

Generative AI architectures

Machine learning frameworks

Cloud platforms

Containerization

Herramientas

PyTorch

TensorFlow

JAX

FastAPI

Triton

Ray

Docker

Kubernetes

Descripción del empleo

Lead AI Engineer - Must be remote from: Spain, Netherlands, Germany and Ireland

Location: Fully Remote

Role Type: Full-Time

Start Date: ASAP

About the Company

The company is building a brand-new AI function to power the next generation of intelligent products and automation capabilities. With a focus on generative AI, large language models, and cutting-edge applied research, they are searching for a seasoned Lead AI Engineer to help architect, develop, and scale core AI capabilities across the business.

This is an opportunity to join at the ground floor, shape the technical direction of the AI stack, and work with a highly collaborative team committed to innovation.

The Role

The Lead AI Engineer will take ownership of designing, building, and deploying advanced AI systems with a strong focus on generative AI and LLM-based applications. This role combines hands‑on technical work with leadership responsibilities, including guiding engineering practices, influencing product strategy, and mentoring team members as the AI team grows.

• Architect, build, and deploy generative AI solutions, including LLM-powered applications and retrieval-augmented systems.
• Lead the technical direction of AI projects, ensuring scalability, performance, and reliability.
• Develop high-quality, production-ready Python code and machine learning pipelines.
• Evaluate, fine‑tune, and integrate large language models (open-source and API-based).
• Collaborate with cross-functional teams to define AI use cases and translate them into robust engineering solutions.
• Implement best practices for model lifecycle management, observability, and continuous improvement.
• Mentor junior engineers and contribute to shaping a world-class AI engineering culture.
• Stay up to date with research, tooling, and emerging capabilities in the GenAI ecosystem.

Required Experience

• 5+ years of professional experience in AI/ML engineering, with a strong background in Python (senior-level proficiency required).
• Hands‑on experience fine‑tuning, adapting, and deploying large language models (e.g., Llama, GPT-based models, Mistral, etc.).
• Strong understanding of generative AI architectures, prompt engineering, and vector search/RAG systems.
• Experience building production‑grade AI applications and data pipelines.
• Proficiency with modern ML frameworks (PyTorch, TensorFlow, JAX) and model‑serving frameworks (FastAPI, Triton, Ray, etc.).
• Solid knowledge of cloud platforms (AWS/GCP/Azure) and containerization (Docker, Kubernetes).
• A proven ability to lead technical projects and mentor other engineers.
• Comfort working in a startup or greenfield environment where autonomy and initiative are key.

What the Company Offers

• Fully remote role with flexible working arrangements.
• High ownership in shaping AI strategy, tooling, and technical foundations.
• Competitive salary + equity/benefits package.
• Opportunity to work with cutting‑edge GenAI techniques and contribute to innovative products.
• A collaborative environment that values experimentation and engineering excellence.