Senior ML & Biosignal Scientist

Posted 3 Days Ago
Be an Early Applicant
2 Locations
In-Office
Senior level
Artificial Intelligence • Information Technology • Machine Learning • Marketing Tech • Software • Biotech • Design
The Role
Develop and deploy machine learning algorithms that transform multimodal wearable biosignals, including PPG, motion, and temperature data, into scalable health insights. Own the full algorithm lifecycle from physiological signal processing and model design through evaluation and production deployment. Collaborate with hardware, firmware, software, and science teams, analyze large-scale cloud datasets, conduct hardware testing, and communicate technical strategies to senior leadership.
Summary Generated by Built In

Our mission at ŌURA is to empower every person to own their inner potential. Our award-winning products help our global community gain a deeper knowledge of their readiness, activity, and sleep quality by using their Oura Ring and its connected app. We've helped millions of people understand and improve their health by providing daily insights and practical steps to inspire healthy lifestyles.

Empowering the world starts with living our values and empowering our team. As a quickly growing company focused on helping people live healthier and happier lives, we ensure that our team members have what they need to do their best work — both in and out of the office. 

We are seeking a Senior ML & Biosignal Scientist to join our Future Physiology team in Finland. This is a high-impact role for a deeply technical, hands-on expert who excels at bridging human physiology, machine learning, and real-world biosignal R&D. Working directly alongside our world-class hardware, firmware, software and science teams, you will play a pivotal role in shaping Oura’s next-generation features. You will turn noisy, multimodal sensor data (including PPG, motion, and temperature) into robust, scalable, and actionable health insights delivered to millions of members worldwide.

What You Will Do:
  • Take full technical ownership of the algorithm lifecycle, from physiological background and signal processing to model architecture design, evaluation, and scaling for production.
  • Develop and deploy state-of-the-art ML algorithms leveraging deep learning (e.g., Transformers, RNNs, probabilistic models) to extract meaningful physiological metrics across diverse user populations, effectively solving real-world challenges such as motion artifacts and environmental noise.
  • Leverage Oura’s large-scale cloud datasets and work hands-on with prototypes, hardware evaluation kits, and benchtop testing setups.
  • Translate complex algorithmic results and physiological insights into clear technical strategies and strategic narratives for senior leadership to help guide Oura’s future product roadmap.

This is a hybrid role out of our Oulu or Helsinki office.

What you'll bring
  • 5–7+ years of hands-on experience in machine learning, biosignal processing, sensor fusion, and analyzing real-world, multimodal time-series data.
  • Expertise with modern ML frameworks (PyTorch) alongside the scientific computing stack (NumPy, SciPy, pandas, scikit-learn).
  • Strong domain knowledge of human physiological systems underlying wearable biosignals, paired with the engineering intuition needed to extract clean signals from noisy data.
  • Familiarity with modern data infrastructure, scalable cloud systems, and a proven track record of moving ML models from experimental research into production software.
  • Master’s or PhD in Computer Science, Machine Learning, Biomedical Engineering, Signal Processing, Applied Mathematics, Physics, or a closely related field (or equivalent practical track record).
  • Comfortable working in an agile environment with high autonomy, taking complete ownership of algorithm development from early-stage concept testing to deployment.
Nice to have:
  • Direct experience in consumer health tech, wearable hardware or digital health applications.
  • Prior experience working within cross-disciplinary teams spanning software engineering, hardware development, and clinical research.
Benefits

At Ōura, we care about you and your well-being. Everyone here at Ōura has a ring of their own and we are continually looking to improve employee health.

What we offer:

  • Competitive salary
  • Lunch benefit
  • Wellness benefit
  • Flexible working hours
  • Collaborative, smart teammates
  • An Ōura ring of your own
  • Wellness Time Off

ŌURA is proud to be an equal opportunity workplace. We celebrate diversity and are committed to creating an inclusive environment for all employees. Individuals seeking employment at ŌURA are considered without regard to age, ancestry, color, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws. We will not tolerate discrimination or harassment based on any of these characteristics.

We will work to ensure individuals with disabilities are provided reasonable accommodation to participate in the interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Disclaimer: Beware of fake job offers!
We’ve been alerted to scammers posing as ŌURA recruiters, especially for remote roles. Please note:

  • Our jobs are listed only on the ŌURA Careers page and trusted job boards.
  • We will never ask for personal information like ID or payment for equipment upfront.
  • Official offers are sent through Docusign after a verbal offer, not via text or email.

Stay cautious and protect your personal details.

To all recruitment agencies: ŌURA does not accept agency resumes. Please do not forward resumes to our jobs alias, ŌURA employees, or any other organization's location. ŌURA is not responsible for any fees related to unsolicited resumes.

Skills Required

  • 5-7+ years of hands-on experience in machine learning, biosignal processing, sensor fusion, and real-world multimodal time-series analysis
  • Expertise with PyTorch, NumPy, SciPy, pandas, and scikit-learn
  • Strong knowledge of human physiological systems underlying wearable biosignals
  • Experience with scalable cloud systems and moving machine learning models from research into production software
  • Master's or PhD in Computer Science, Machine Learning, Biomedical Engineering, Signal Processing, Applied Mathematics, Physics, or a related field, or equivalent practical experience
  • Ability to work autonomously in an agile environment and own algorithm development through deployment
  • Experience in consumer health technology, wearable hardware, or digital health applications
  • Experience on cross-disciplinary teams involving software engineering, hardware development, and clinical research

Ōura Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Ōura and has not been reviewed or approved by Ōura.

  • Fair & Transparent Compensation — Compensation is considered competitive for a midsize, high‑growth company, supported by posted role‑ and location‑based pay bands that signal structured ranges. A public equal‑pay pledge reinforces attention to fairness.
  • Equity Value & Accessibility — Equity is a meaningful part of total compensation at a growing company, contributing to perceived upside over time. This ownership component complements base pay in the total rewards mix.
  • Leave & Time Off Breadth — The package includes substantial PTO, paid holidays, and dedicated wellness days that together exceed a basic time‑off offering. This breadth of time away supports recovery and balance.

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The Company
HQ: Oulu
850 Employees
Year Founded: 2013

What We Do

Oura is an award-winning and fast-growing startup that helps people track all stages of sleep and activity using the Oura Ring and connected app. By providing daily feedback and practical steps to inspire healthy lifestyles, we've helped hundreds of thousands of people improve their sleep, understand their bodies, and transform their health. We’re on a mission to empower every person to own their inner potential, and we’re seeking talented individuals to join us on our journey. JOIN THE OURA TEAM Oura is full of skilled experts and we’re known to share a good laugh every now and then. We always strive to learn more and dig deeper into our research and analytics, to stay engaged and creative in everything we do. We respect our partners, privacy and the scientific method. We are a multi-disciplinary team of over 100 experts in hardware engineering, software development, machine learning, bioscience, sleep, industrial and UX design, production, marketing and customer experience. Oura Health Ltd.’s HQ and major manufacturing facilities are located in Oulu, Finland. Other locations include Helsinki and San Francisco.

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