Johnson & Johnson

Senior Scientist – Generative AI for Content Authoring

Johnson & Johnson

full-time

Posted on:

Location Type: Hybrid

Location: Madrid • 🇪🇸 Spain

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Job Level

Senior

Tech Stack

PythonPyTorchTensorflow

About the role

  • Design and develop intelligent agent systems for regulatory and scientific content authoring, including writing, reviewing, editing, and refining documents based on guidelines and user input.
  • Advance agent memory architectures and persistent knowledge retention to enable long-horizon reasoning and chain-of-thought grounding.
  • Prototype and implement controls for hallucination, uncertainty quantification, and safe output generation.
  • Build evaluation and benchmarking frameworks for GenAI-driven content authoring, including automated evaluation suites for prompts, models, and retrieval flows.
  • Collaborate with regulatory writers, scientists, engineers, and IT teams to translate emerging AI methodologies into practical, production-ready solutions.
  • Serve as an internal domain expert for GenAI Content Authoring specific agents’ systems, driving innovation and protocols across R&D.
  • If required, contribute to interpretation and generation of figures and plots, demonstrating multimodal AI experience.

Requirements

  • Master's degree in AI/ML, Computer Science, Engineering, Bioinformatics, or related field with 4+ years of hands-on experience in GenAI engineering.
  • Hands-on experience with multi-agent frameworks such as LangGraph, DSPy, memO, or similar architectures.
  • Strong proficiency in Python and modern deep-learning frameworks (PyTorch, TensorFlow).
  • Experience building retrieval-augmented generation (RAG) systems, including chunking, embeddings, vector databases, and reranking.
  • Knowledge of advanced mathematical concepts such as uncertainty quantification, probabilistic modelling, or information theory.
  • Experience implementing structured generation, schema enforcement, and model/tool orchestration for complex workflows.
  • Positive, motivated, collaborative approach with the ability to work independently and within a multidisciplinary environment.
Benefits
  • Health insurance
  • Professional development opportunities

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
GenAI engineeringPythondeep-learning frameworksPyTorchTensorFlowmulti-agent frameworksretrieval-augmented generationuncertainty quantificationprobabilistic modellinginformation theory
Soft skills
collaborativemotivatedpositiveindependentmultidisciplinary
Certifications
Master's degree in AI/MLMaster's degree in Computer ScienceMaster's degree in EngineeringMaster's degree in Bioinformatics