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MR Physicist, Pulse Sequence Development and Advanced Signal Processing
About Wellumio

Wellumio is a venture-backed medical device company on a mission to create universal access to diagnostic imaging.

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Magnetic resonance is the gold standard modality in medical imaging due to its exceptional soft tissue contrast. However, its accessibility is limited by high costs and the need to transport patients to scanners. At Wellumio, we are driven by a simple yet transformative idea: instead of bringing patients to the scanner, we bring the scanner to the patients, wherever it is needed.

 

By providing point-of-care imaging, Wellumio enables healthcare professionals to deliver earlier diagnoses, faster treatments, and better outcomes. Our second-generation scanner, Axana, is 99% lighter than conventional MRI systems, making it the most portable head magnetic resonance imaging system in the global brain and neuroimaging market.

 

The company's first target application is acute stroke, a leading cause of human mortality and disability. Currently, only 1.5% of patients receive treatment within the critical time window due to reliance on in-hospital imaging. Wellumio's point-of-care solution addresses this, making effective stroke treatment accessible wherever patients are.

 

With stroke projected to cause 7.5 million deaths and cost $1 trillion annually by 2030, there is an urgent need for cost-effective technologies that can streamline care pathways for stroke and other neurological conditions where time is critical.

 

Why should you be part of Wellumio's success story?

  • To work with a talented and passionate team dedicated to positively impacting the medical device industry.

  • To grow your skills and knowledge through ongoing training and development opportunities.

  • To work in a dynamic environment that rewards creativity, innovation, hard work, and continuous improvement.

 

At Wellumio we're challenging dominant models of clinical service delivery by fusing technology, design innovation, medical expertise, and systems-level thinking to create imaging solutions that put the needs of patients first.

About the Role

We are seeking an MR Physicist to support the development of Wellumio’s Magnetic Resonance imaging platform, with a focus on pulse sequence development, signal processing, image reconstruction, and advanced data analysis.

 

This role is suited to a physicist with strong scientific computing skills, a deep understanding of Magnetic Resonance physics, and the ability to translate complex theory into practical imaging solutions. You will work closely with engineering, software, and product teams to develop, test, and optimise imaging methods for point-of-care Magnetic Resonance applications.

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You will contribute to the development of novel acquisition strategies, improve image quality and system performance, and support the transition of research concepts into robust product features within a regulated medical device environment.

Key Responsibilities

Magnetic Resonance Physics & Pulse Sequence Development

  • Design, develop, and optimise Magnetic Resonance pulse sequences for Wellumio’s imaging platform

  • Develop acquisition strategies suited to portable and point-of-care Magnetic Resonance systems

  • Evaluate sequence performance through simulation, experimental testing, and image quality assessment

  • Optimise imaging protocols for signal quality, acquisition time, robustness, and clinical utility

  • Support system-level development across RF, gradients, reconstruction, and imaging workflow

Advanced Processing & Image Reconstruction

  • Develop and implement advanced signal processing and image reconstruction methods

  • Analyse raw Magnetic Resonance data to improve image quality, artefact reduction, and diagnostic value

  • Build and validate processing pipelines for experimental and product development use

  • Apply modelling, simulation, and scientific computing techniques to support algorithm development

  • Work with software teams to transition research code into maintainable and tested software components

R&D and Product Development

  • Translate research concepts into practical, testable product features

  • Plan and execute experiments to validate new imaging methods and processing approaches

  • Collaborate with engineers, clinicians, and product stakeholders to define imaging requirements

  • Contribute to technical feasibility studies, design reviews, and verification activities

  • Support the development of clinical imaging protocols and application-specific workflows

Quality, Regulatory & Documentation

  • Work within Wellumio’s ISO 13485 quality management system and applicable design control processes

  • Support software development activities under IEC 62304 where algorithms or processing tools form part of the product software

  • Prepare clear technical documentation, including design rationale, test protocols, analysis reports, and verification evidence

  • Maintain traceability between requirements, methods, test results, and design outputs

  • Collaborate with quality and regulatory teams to support compliant product development

Cross-functional Collaboration

  • Work closely with hardware, embedded systems, software, clinical, and product teams

  • Communicate complex Magnetic Resonance concepts clearly to technical and non-technical stakeholders

  • Support troubleshooting of system-level imaging issues across acquisition, hardware, and processing domains

  • Contribute to a collaborative and knowledge-sharing team culture

Innovation & Intellectual Property

  • Identify novel methods, algorithms, pulse sequences, and processing approaches that may create intellectual property

  • Support invention disclosures, patent drafting, and technical reviews where required

  • Stay current with developments in Magnetic Resonance physics, reconstruction, computational imaging, and medical imaging technology

What Success Looks Like

  • Pulse sequences are developed, tested, and optimised to improve image quality and acquisition performance

  • Advanced processing methods are translated from research concepts into usable development tools or product features

  • Imaging performance is clearly characterised through robust experiments and documentation

  • Cross-functional teams can rely on your technical insight to resolve complex challenges

  • Contributions help strengthen Wellumio’s technology platform, product roadmap, and intellectual property position

Soft Skills Requirements

  • Strong problem-solving and analytical skills

  • Ability to work independently and as part of a team

  • Good communication and collaboration skills

  • Willingness to learn and continuously develop technical expertise

  • Professionalism, reliability, and attention to detail

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Required:

  • Advanced degree in Physics, Biomedical Engineering, Electrical Engineering, or a related field

  • Strong understanding of Magnetic Resonance physics, time domain relaxometry  and imaging principles

  • Experience with pulse sequence development, optimisation, or protocol development

  • Strong scientific computing skills, preferably in Python, MATLAB, C/C++, or similar

  • Experience analysing raw imaging or signal data

  • Ability to design experiments, interpret results, and document technical findings clearly

Preferred:

  • PhD or equivalent research experience in Magnetic Resonance, NMR, medical imaging, or computational imaging

  • Experience with image reconstruction, signal processing, inverse problems, or quantitative imaging

  • Experience developing algorithms for regulated or safety-critical software environments

  • Familiarity with IEC 62304 and ISO 13485

  • Experience with portable, low-field, or point-of-care Magnetic Resonance systems

  • Experience contributing to patents, invention disclosures, or technical publications

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Soft Skills Requirements

  • Strong scientific curiosity and drive to solve complex technical problems

  • Growth mindset and willingness to learn through coaching, feedback, and hands-on development

  • Clear communicator who can explain complex physics and algorithms in practical terms

  • Collaborative approach to working across multidisciplinary teams

  • Strong attention to detail and commitment to high-quality technical work

  • Ownership mindset with the ability to follow through on complex development tasks

  • Adaptable and comfortable working in a fast-paced, evolving startup environment

  • Professional, reliable, and committed to Wellumio’s mission

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