Senior Signal Processing & Data Validation Scientist

Sii Poland; Łódź; On-site; PLN 170,000 - 260,000; Full time

Benefits offered by this job

Centre of internal trainings

Many experts you can learn from

Profit sharing

Medical care

Great Place to Work

Contracts with the biggest brands

Job summary

Sii Poland is seeking a Signal Processing & Data Analysis Specialist to join our Data Science team. You will provide technical guidance to migration, engineering, and clinical teams, ensuring a shared understanding of algorithm behavior and expected output characteristics.

You will validate algorithms, develop validation frameworks, and create CSV-based comparison workflows to verify consistency across environments, working with cross-functional teams in Poland.

Qualifications

• Minimum 5 years validating algorithms or software with data comparison workflows.
• PhD in Electrical Engineering, Applied Mathematics, Physics, Data Science, or related field.
• Strong knowledge of digital signal processing and time-series analysis.
• Proficiency in Python with SciPy, NumPy, or pandas.
• Excellent communication of complex technical concepts to non-specialists.
• Advanced English and residency in Poland.

Responsibilities

• Provide technical guidance on signal processing to cross-functional teams.
• Analyze datasets to identify deviations and anomalies using statistical methods.
• Document existing signal processing algorithms for validation and knowledge transfer.
• Design validation frameworks and define tolerance thresholds and acceptance criteria.
• Develop and run CSV-based comparison workflows to verify consistency across environments.
• Collaborate with migration engineers to resolve data-integrity issues with traceability.

Skills

Algorithm validation

Python (SciPy/Numpy)

Communication to stakeholders

English proficiency

Education

PhD in a quantitative field

Tools

CSV workflows

Job description

Sii Poland is seeking a Signal Processing & Data Analysis Specialist to join our Data Science team. You will provide technical guidance to migration, engineering, and clinical teams, ensuring a shared understanding of algorithm behavior and expected output characteristics.

You will validate algorithms, develop validation frameworks, and create CSV-based comparison workflows to verify consistency across environments, working with cross-functional teams in Poland.