Principal Data Scientist (Biomedical ML)

Location: London, UK; at least 4 days per week from the Kings Cross offices, plus one flexible work-from-home day

Salary: £136K–£190K annually, plus equity

Company

hirify.global develops non-invasive neuromonitoring technology for clinical brain monitoring and the diagnosis and treatment of brain disorders.

What you will do

• Set the technical direction for signal processing and machine learning model development on hirify.global One.
• Lead novel algorithm design, validation, and evidence generation for regulatory submissions.
• Review technical work across the data science team and establish standards for methodological rigour, reproducibility, and scientific integrity.
• Design data collection, ground-truth definition, labelling, dataset governance, and benchmarking strategies with Clinical teams.
• Contribute to technical papers, patent applications, and regulatory documents.
• Represent data science in architecture reviews, cross-functional forums, and external scientific and clinical engagements.

Requirements

• 15+ years of experience in data science, machine learning, or applied research.
• Deep expertise in time-series signal processing and physiological or biomedical machine learning.
• Hands-on experience developing and validating models on noisy, real-world physiological data.
• Experience taking algorithmic research through to production-quality, validated implementation.
• Experience in a regulated industry such as medical devices, diagnostics, or pharma, with familiarity with software-as-a-medical-device validation and documentation.
• Strong scientific output, including publications, patents, or equivalent original technical contributions.

Nice to have

• Background in neuroscience, neuromonitoring, neurophotonics, or cerebrovascular physiology.
• Experience with optical signal processing, such as LiDAR, pulse oximetry, NIRS, or laser Doppler flowmetry.
• Familiarity with FDA regulatory pathways for AI/ML-based medical devices.

Culture & Benefits

• AI is a core part of daily work, collaboration, and innovation.
• Company equity plan for all employees.
• Salary-sacrifice pension scheme and private medical, dental, and vision insurance.
• Group life assurance at 4x annual income and comprehensive mental health support.
• Unlimited holiday allowance plus bank holidays, with one week of remote working per quarter.
• Daily lunch vouchers, occasional free dinners, snacks and drinks, YuLife subscription, and Udemy access.