Lead Ai Engineer - Barcelona

Antal International Network; Barcelona; Híbrido; EUR 120.000 - 160.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid Work Model

Competitive compensation with equity

Paid Time Off: 23+ vacation days

Descripción de la vacante

Antal International Network in Barcelona, Catalunya, seeks an experienced Lead AI Engineer to guide the design and development of core AI services in Generative AI and AI Quality. You will architect systems, set technical standards, and shape the AI roadmap for scalable, production-ready solutions.

You will mentor engineers, collaborate with research and partners, and drive MLOps practices, including deployment, monitoring, and evaluation, while communicating technical trade-offs to stakeholders.

Formación

• 8+ years building and scaling complex software with ≥4 years in ML/DL products.
• Proven ability to thrive in fast-growing scale-up environments.
• Experience guiding technical strategy, mentoring teams, and influencing roadmaps.
• Hands-on Generative AI across the full LLM lifecycle: fine-tuning, RAG, agentic systems.
• Expertise designing production-grade AI/ML systems with Python and DL frameworks.
• MLOps / LLMOps: deploying, monitoring, and maintaining robust AI stack.
• Knowledge of LLM orchestration, vector databases, knowledge graphs, observability, eval frameworks.
• Strong communication to executives and stakeholders.
• Fluent in English and Spanish.

Responsabilidades

• Architectural Leadership: lead the design, implementation, and scaling of core AI services.
• Define technical strategy and best practices for LLMOps/MLOps and DevOps.
• Collaborate with research and technical partners to leverage resources for cutting-edge AI solutions.
• Mentor junior and mid-level engineers through code reviews and architecture design.

Conocimientos

Leadership

ML / DL

LLMOps

Python

RAG

Vector databases

Knowledge graphs

Production-grade AI

Communication

Educación

Master's in CS/AI

PhD preferred

Descripción del empleo

Sector: Information Technology & SoftwareReference: 96688We are looking for an experienced Lead AI Engineer to lead the design and development of core AI services in the Generative AI and AI Quality sector. In this role, you will not only build features but also architect systems, define technical standards, and make critical design decisions to ensure scalable, reliable, and production-ready AI solutions.As a key technical leader, you will guide the team by example, influence the AI roadmap, and tackle some of the most challenging problems in the AI-first space.

What You’ll Do

• Architectural LeadershipLead the design, implementation, and scaling of core AI services built for high availability, performance, and security.Make strategic decisions on models, evaluation frameworks, and system designs, including retrieval systems, agentic workflows, and custom fine-tuning.
• Technical Strategy & Best PracticesDefine and champion LLMOps, MLOps, and DevOps practices to ensure agile, high-quality product delivery.Execute the long-term AI roadmap while driving best-in-class engineering standards.
• Collaboration & High-Impact ProjectsCollaborate with research and technical partners to leverage advanced computational resources for cutting-edge AI solutions.Work closely with cross-functional teams to translate research into scalable production-grade AI systems.
• Mentorship & Team DevelopmentMentor junior and mid-level engineers through code reviews, architecture design, and technical guidance.Foster a culture of technical excellence and knowledge sharing across the team.

About You

• Experience: 8+ years building, deploying, and scaling complex software, with at least 4 years in Machine Learning / Deep Learning products.
• Scale-Up Environment: Proven ability to thrive in fast-growing, high-paced.
• Leadership: Demonstrated experience guiding technical strategy, mentoring teams, and influencing roadmaps.
• Generative AI Expertise: Hands-on experience across the full LLM lifecycle, including fine-tuning, RAG, agentic systems, and production-grade Design: Expertise designing and scaling production-grade AI/ML systems with Python and deep learning frameworks.MLOps / LLMOps: Experience deploying, monitoring, and maintaining robust AI Stack Knowledge: Familiarity with LLM orchestration, vector databases, knowledge graphs, observability, and evaluation frameworks.
• Communication: Strong ability to articulate technical trade-offs to technical and non-technical stakeholders, including executives.
• Education & Languages: Master’s in Computer Science, AI, or related field (PhD preferred). Fluent in English and Spanish.

Benefits

• Hybrid Work Model: Flexible balance between remote work and time in Barcelona office.
• Competitive Compensation: Attractive salary with equity options.
• Paid Time Off: 23+ vacation days per year plus additional holidays.
• Professional Growth: Learning & development budget for courses, certifications, and conferences.
• Cutting-Edge Projects: Work at the forefront of AI governance, quality, and Startup Environment: Clear growth paths, regular performance reviews, and opportunities to take ownership of high-impact projects.

Lead AI Engineer - barcelona • barcelona, catalunya, es