Senior AI Engineer

Remote (Spain)

Job description

We are looking for senior AI engineers to work in the health and social care sector. You will lead the design, development and implementation of advanced solutions based on language models, natural language processing (NLP), AI agents and specialised models. This role requires an individual with a strong technical background who can design complete AI architectures, make engineering decisions, guide junior staff and ensure that each solution is produced to a high standard, efficiently and in a traceable manner. You will work with open-source models, PyTorch, Hugging Face, agent orchestration frameworks, and GPU deployment environments.

Type of work

Full day

Requirements

  • Living in Galicia
  • Four to six years' experience developing AI solutions or applied machine learning.
  • A solid command of Python and PyTorch.
  • Demonstrable experience with language models, modern natural language processing (NLP) and AI pipeline construction.
  • Experience of working with the Hugging Face ecosystem for training, evaluation and deployment.
  • Solid knowledge of backend architecture, REST APIs, microservices and containers.
  • Proficiency in Linux environments for development, deployment and incident resolution.
  • Practical knowledge of MLOps best practices, including reproducibility, testing, and monitoring.
  • The ability to make technical decisions and work in coordination with multidisciplinary teams.
  • Analytical rigour and a quality-oriented approach, with the ability to document and justify decisions.

Responsibilities

  • Designing comprehensive AI solutions from the technical approach to production integration.
  • Train, tune and evaluate language and specialised models using PyTorch and the Hugging Face ecosystem.
  • Define and develop natural language processing (NLP) pipelines, AI agents, and advanced conversational flows.
  • Lead the preparation and structuring of datasets for training, validation and testing purposes.
  • Optimise models for deployment in real-world environments using efficient inference techniques and GPU usage.
  • Develop backend services that integrate AI models using APIs, microservices and asynchronous processes.
  • Collaborate with the backend, data and frontend teams to design reliable, maintainable integrations.
  • Review code, mentor junior staff, and establish good development and MLOps practices.
  • Analyse metrics, response times, and model behaviour to ensure performance and stability.
  • Participate in technical meetings with clients, clearly explaining decisions, alternatives, and design approaches while maintaining rigour.
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Will be valued

  • A PhD in a relevant field, such as artificial intelligence or language processing, is highly valued for one of the positions.
  • Experience with agent and orchestration frameworks such as LangChain or LangGraph.
  • Experience of model optimisation, quantisation, batching and/or GPU acceleration.
  • Experience with tools such as Docker, CI/CD and Triton Inference Server.
  • Participation in high-impact projects or in regulated sectors.
  • Publications, own projects or other relevant contributions to AI.
I am interested

What do we offer?

  • Permanent contract in a 100% digital technology company.
  • Flexible working hours and option to work from home.
  • Continuous and personalised training.
  • Salary adapted to the candidate's motivation.
  • Flexible remuneration plan.
  • Balidea discount club: travel, restaurants, culture...
  • Join a stable team working on a long-term project that has a positive impact on society.
  • Opportunity to work with leading experts on cutting-edge technology projects.

    Advantages of working at Balidea

    Well-being

    Health promotion programmes, team building activities, workplace climate assessments... We listen to our team and are committed to work-life balance and measures that promote health and well-being.

    Teleworking

    Can you imagine working from home without having to commute? Take note: working remotely for the entire working day is now a fully established option in the company.

    Flexibility

    At Balidea, you have the flexibility to choose your working hours and adapt them to your needs in terms of work-life balance (training, family care, school events, etc.). What's more, we guarantee that you will be able to disconnect digitally.

    A great team

    We boast a great working environment where camaraderie, solidarity and empathy are paramount. We foster these values through our onboarding and support processes, in-person events, online talks and our continuous improvement committee.

    Professional development

    We are clear on this. The Human Resources department is not just an administrative management department; it is a strategic business partner whose mission is to promote your professional development.

    Matrix structure

    It's time to break down hierarchies! Our teams are led by a dual role, technical and managerial, and are organised in a matrix structure, which allows us to be more horizontal.