Signal Processing & Data Validation Specialist

Sii Poland; Poznań; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Medical care

Job summary

Sii Poland in Poznań is seeking a Signal Processing & Data Analysis Specialist to join our Data Science team. You will guide migration, engineering, and clinical teams, ensuring a shared understanding of algorithm behavior and outputs.

You will analyze datasets for deviations, document validation processes, and help design validation frameworks and test cases with tolerance thresholds for cross-environment comparisons.

Qualifications

• PhD in a quantitative field as listed.
• 5+ years of experience with algorithm or software validation.
• Strong communication skills for cross-team collaboration.

Responsibilities

• Providing technical guidance on signal processing to migration, engineering, and clinical teams, ensuring a shared understanding of algorithm behavior and expected output characteristics
• Analyzing datasets to identify deviations, edge cases, and anomalies, applying appropriate statistical methods to assess the significance of discrepancies
• Deconstructing the logic of existing signal processing algorithms and producing clear, well-structured documentation to support validation efforts and enable knowledge transfer across teams
• Contributing to the design of validation frameworks and test cases, including defining tolerance thresholds and acceptance criteria for comparing algorithm outputs across environments
• Developing and executing CSV-based comparison workflows to verify the consistency of algorithmic output, identifying and quantifying discrepancies
• Collaborating with data migration specialists and engineers to resolve data-integrity issues, ensuring all deviations are properly quantified, documented, and traceable

Skills

Digital signal processing

Time-series analysis

English communication

Stakeholder communication

Education

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

Tools

SciPy

NumPy

pandas

Job description

Sii Poland in Poznań is seeking a Signal Processing & Data Analysis Specialist to join our Data Science team. You will guide migration, engineering, and clinical teams, ensuring a shared understanding of algorithm behavior and outputs.

You will analyze datasets for deviations, document validation processes, and help design validation frameworks and test cases with tolerance thresholds for cross-environment comparisons.