We are Cacao Mobile. For over 10 years, we have been building mobile applications in Health & Wellness, Entertainment, and Utilities, reaching thousands of users worldwide. We are currently looking for a Machine Learning Specialist for a part-time, project-based collaboration. About the project: A mobile application that measures heart rate and heart rate variability (HRV) using PPG technology.
Responsibilities
Develop and improve models for blood pressure prediction based on PPG
Fine-tune and optimize models on limited and noisy data (~3k signals)
Improve prediction quality (including for calibrated users)
Signal processing (filtering, transformations, feature engineering)
Work on tasks without explicit labels (clustering, PCA, pattern discovery)
Solve additional tasks on the same signal (stress, energy, etc.)
Develop algorithms and personalized user baselines
Conduct research and analyze new approaches
Requirements
1+ year of hands-on experience in Machine Learning
Strong background in signal processing
Experience working with noisy real-world data
Experience in supervised and unsupervised learning
Experience working with incomplete / imperfect labels
Ability to solve open-ended problems
Research mindset (working with papers, analyzing approaches)
We Offer
Experience working in a product team focused on scaling
Opportunity to boost your professional skills within a like-minded team