What are the responsibilities and job description for the Data Scientist / ML Engineer (Signal Processing, Real-Time Models) position at Sphere?
Position: Data Scientist / Machine Learning Engineer
Client: AI-Driven HealthTech / Signal Analytics Company
Engagement Type: Consulting → Potential Phase 3 Implementation
Location: Remote
Level: Middle
We are looking for a Data Scientist / ML Engineer with strong Signal Processing expertise to support early product consulting and later Phase 3 model training and optimization.
Initially, the specialist will consult on signal processing approach, model architecture, and data preparation strategy.
At Phase 3 of product development, the same specialist will train, tune, and deploy real-time machine learning models.
The product focuses on low-frequency physiological signals such as ECG, brain waves, and other biosignals, requiring signal filtering, transformation, and feature engineering for real-time AI solutions.
Key Responsibilities
Phase 1-2: Consulting & Architecture
Client: AI-Driven HealthTech / Signal Analytics Company
Engagement Type: Consulting → Potential Phase 3 Implementation
Location: Remote
Level: Middle
We are looking for a Data Scientist / ML Engineer with strong Signal Processing expertise to support early product consulting and later Phase 3 model training and optimization.
Initially, the specialist will consult on signal processing approach, model architecture, and data preparation strategy.
At Phase 3 of product development, the same specialist will train, tune, and deploy real-time machine learning models.
The product focuses on low-frequency physiological signals such as ECG, brain waves, and other biosignals, requiring signal filtering, transformation, and feature engineering for real-time AI solutions.
Key Responsibilities
Phase 1-2: Consulting & Architecture
- Analyze available signal data and product requirements
- Define signal processing and filtering approaches
- Recommend model architecture and ML approach
- Define feature extraction strategy
- Advise on real-time processing pipeline
- Provide technical guidance on model feasibility and performance
- Process low-frequency physiological signals (ECG, brain waves, biosignals)
- Apply signal filtering and mathematical transformations
- Build feature extraction pipelines
- Train and tune machine learning models
- Optimize models for real-time inference
- Support integration into production environment
- Improve model accuracy and performance
- 3 years as Data Scientist / ML Engineer
- Strong experience with Signal Processing
- Experience working with ECG, EEG, brain waves, or similar signals
- Experience filtering low-frequency signals (non high-frequency focus)
- Hands-on experience with:
- Signal filtering
- Noise reduction
- Signal transformation
- Feature engineering from signals
- Experience building real-time machine learning solutions
- Python skills (NumPy, SciPy, Pandas, Scikit-learn)
- Experience training and tuning machine learning models
- Experience with biomedical signals
- Experience with time-series modeling
- Experience with real-time inference pipelines
- Familiarity with deep learning frameworks (PyTorch, TensorFlow)
- Experience working with edge devices or streaming data
- Signal Processing
- Time-Series Analysis
- Real-Time Machine Learning
- Python (NumPy, SciPy, Pandas)
- Model Training & Optimization
- Feature Engineering
- Data Filtering & Transformation
- Statistical Modeling
- Phase 1–2: Consulting / Advisory
- Phase 3: Model Training & Implementation
- Mid-level hands-on specialist
- Real-time signal-based AI product