Principal Data Scientist

Job Description

Are you a Principal Data Scientist or AI Engineer with experience in the area of LLMs, RAG and NLP?

How about a job opportunity at a Data Analytics & Publishing company in London?

We have several open positions

General information

• Duration: Indefinite from the start
• No. of working hours: 36 hours per week
• Location: 2 days per week in London
• Contract type: FTE, Direct contract with client
• Other: You need to be a resident of The UK at time of application
• Available salary: €75.000 – 85.000 base salary

Do you enjoy developing intelligent applications that transform complex information into actionable insights? Are you passionate about applying the latest advances in artificial intelligence to solve real-world challenges for researchers, healthcare professionals, and knowledge workers?

If so, this could be the next step in your career.

Your team

You'll become part of an international technology team responsible for developing AI-powered solutions that help professionals efficiently discover, understand, and apply scientific information. Collaboration, continuous learning, and engineering excellence are central to the way the team works. Everyone is encouraged to contribute ideas, challenge assumptions, and build high-quality software that creates measurable value.

What You'll Be Doing

As a Principal AI Engineer, you'll design and implement scalable AI solutions that improve how users search, analyze, and interact with large volumes of scientific and technical content. You'll combine machine learning, natural language processing, and modern large language models to develop production-ready applications that support knowledge discovery and decision-making.

Working closely with software engineers, product managers, and domain specialists, you'll translate complex business problems into reliable AI solutions.

Key Responsibilities

• Encourage and coach the team to build reusable tools, methods, and best practices.
• Reviews technical work, codes and helps teams make sound decisions.
• Design and support team trainings
• Design and develop (agentic) AI applications using machine learning, NLP, and generative AI technologies.
• Build intelligent retrieval and question-answering systems powered by Large Language Models (LLMs).
• Develop Retrieval-Augmented Generation (RAG) pipelines to improve search quality and information accuracy.
• Create recommendation, ranking, and semantic search capabilities using modern AI frameworks.
• Integrate structured and unstructured knowledge sources, including metadata, taxonomies, and ontologies.
• Define evaluation strategies to measure model quality, reliability, and business impact.
• Develop maintainable Python-based solutions suitable for production environments.
• Collaborate with cross-functional teams throughout the complete software development lifecycle.
• Mentor colleagues and contribute to technical best practices within the engineering team.

What We're Looking For

You have a strong technical background in artificial intelligence and enjoy turning research into practical applications.

We're Particularly Interested In Candidates With

• Experience in coaching a team and in reviewing technical work of peers
• Professional experience in AI, machine learning, natural language processing (NLP, information retrieval, or a comparable quantitative discipline.
• Proven experience building AI-enabled products or intelligent software solutions.
• Solid knowledge of Large Language Models, including prompt engineering, model adaptation, evaluation, and responsible AI practices.
• Strong programming skills in Python.
• Experience working with large textual datasets and modern machine learning frameworks.
• Hands-on experience with semantic search, vector databases, hybrid retrieval methods, or Retrieval-Augmented Generation (RAG).
• Familiarity with cloud-native development and software engineering best practices.
• Strong communication skills and the ability to collaborate across technical and non-technical teams.
• Experience coaching or mentoring other engineers is considered a plus.

Does this role spark your interest? Then please provide me with your most recent resume and contact details, so that we can discuss this vacancy in more detail by phone!

You can check other job opportunities in our website: Jobs – Magno IT