Senior Signal Processing & Data Validation Scientist

Sii Poland; Piła; On-site; PLN 140,000 - 200,000; Full time

Benefits offered by this job

Great Place to Work

Medical care

Centre of internal trainings

Profit sharing

Open management team

Regular integration events

Job summary

Sii Poland is seeking a Signal Processing & Data Analysis Specialist to join our Data Science team. You will guide migrations, engineering, and clinical teams on algorithm behavior and output characteristics, ensuring a shared understanding.

You will validate algorithms, quantify discrepancies, and support system transitions with robust documentation. The role focuses on identifying deviations in datasets, designing validation tests, and applying statistical methods to assess significance, while

Qualifications

• Requires PhD in a quantitative field and 5+ years in algorithm or software validation.
• Strong Python proficiency with libraries like SciPy/NumPy/pandas.
• Expertise in digital signal processing and time-series analysis.

Responsibilities

• Provide technical guidance on signal processing to cross-functional teams.
• Analyze datasets to identify deviations and anomalies using statistical methods.
• Document existing algorithms and validation efforts for knowledge transfer.
• Contribute to validation framework design, including tolerance thresholds and criteria.
• Develop and run CSV-based comparison workflows to verify outputs.
• Collaborate with data migration specialists to resolve data-integrity issues and quantify deviations.

Skills

Python programming

Signal processing

Time-series analysis

Stakeholder communication

English proficiency

Education

PhD in Electrical Engineering, Applied Mathematics, Physics, Data Science, or related

Job description

Sii Poland is seeking a Signal Processing & Data Analysis Specialist to join our Data Science team. You will guide migrations, engineering, and clinical teams on algorithm behavior and output characteristics, ensuring a shared understanding.

You will validate algorithms, quantify discrepancies, and support system transitions with robust documentation. The role focuses on identifying deviations in datasets, designing validation tests, and applying statistical methods to assess significance, while