Lead Signal Processing & Data Validation Specialist

Sii Poland; Katowice; On-site; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Centre of internal trainings

Many experts you can learn from

Profit sharing

Medical care

Job summary

Sii Poland is seeking a Signal Processing & Data Analysis Specialist to join our Data Science team. You will guide validation of signal-processing algorithms and help ensure consistent outputs across migrations and engineering efforts.

You will analyze large CSV datasets, define tolerance criteria, and document validation logic to support knowledge transfer and cross-functional collaboration. A PhD and strong English are preferred; residency in Poland is required.

Qualifications

• 5+ years in algorithm or software validation
• Experience creating data comparison or reconciliation workflows
• Experience with large CSV datasets
• Strong communication with stakeholders

Responsibilities

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

Skills

Algorithm validation

Data analysis

CSV workflows

Python programming

Communication

Education

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

Tools

Python

SciPy

NumPy

pandas

Job description

Sii Poland is seeking a Signal Processing & Data Analysis Specialist to join our Data Science team. You will guide validation of signal-processing algorithms and help ensure consistent outputs across migrations and engineering efforts.

You will analyze large CSV datasets, define tolerance criteria, and document validation logic to support knowledge transfer and cross-functional collaboration. A PhD and strong English are preferred; residency in Poland is required.