Overview
This job is with Johnson & Johnson, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.
At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at
Job Function: Data Analytics & Computational Sciences
Job Sub: Data Science
Job Category: Scientific / Technology
All Job Posting Locations: Cornellà de Llobregat, Barcelona, Spain;
Madrid, Spain
Job Description :
Johnson and Johnson Innovative Medicine (J&J IM), a pharmaceutical company of Johnson & Johnson, is recruiting for a Vector Data Engineer. This position has a primary location of Barcelona, Spain. The secondary location is Madrid. This is a hybrid role.
Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work in teams that save lives by developing the medicines of tomorrow.
Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way.
Position Summary: The Vector Data Engineer sits at the intersection of machine learning, signal processing, and neuroscience, with a focus on neurodegenerative and neuropsychiatric disorders. The successful candidate will contribute to foundational model development for longitudinal data integration and disease progression prediction, helping uncover biomarkers and insights into conditions such as Alzheimer\ 's disease, Parkinson\'s disease, and Major Depressive Disorder.
Key Responsibilities
* Design and implement vector embedding models to unify diverse biomedical data modalities, including EEG, PPG, accelerometry, biosensor signals, and speech and physiological recordings
* Medical imaging (MRI, PET)
* Develop quality control protocols for mobile-captured images and transform pixel-based images into vector representations
* Adapt and extend custom embedding methods from academic and research settings to build scalable foundation models
* Collaborate with cross-functional teams to integrate multimodal data for machine learning and clinical insight generation
* Contribute to the identification of digital biomarkers and predictive patterns in neurological and psychiatric conditions
Qualifications
* MS / PhD in Computer Science, Electrical Engineering, Biomedical, or related field
* Minimum 3 years of experience in multimodal data modeling, machine learning, or biomedical signal processing
* Familiarity with large pre-trained multimodal models (e.G., CLIP, MedCLIP, Flamingo) and biomedical / time-series adaptations (BioBERT, TimeSformer)
* Strong proficiency in Python, with hands-on experience using PyTorch, TensorFlow, Hugging Face Transformers, and scikit-learn
* Signal & Speech Processing: Experience with Librosa, SpeechBrain, or similar libraries for acoustic and temporal feature extraction
* Proficiency in NiBabel for MRI and PET imaging, and familiarity with FSL, FreeSurfer, and NiLearn for neuroimaging analysis
* Multimodal Fusion: Experience with CLIP-like architectures and contrastive / self-supervised learning for multimodal data integration
* Understanding of clinical trial data and longitudinal monitoring frameworks, as well as experience with large-scale dataset curation and embedding evaluation
* Strategic Impact: Digital health and clinical multi-modal data assets transformed into interoperable, vectorized embeddings supporting scientific AI applications
* Ability to enable AI to perform semantic queries and reasoning over governed datasets, with vector database infrastructure that scales efficiently and complies with governance and lineage standards
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