Senior Signal Processing & Data Validation Specialist

Sii Poland; Białystok; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Medical care

Centre of internal trainings

Open and accessible management

Job summary

Sii Poland is seeking a Signal Processing & Data Analysis Specialist to join its Data Science team. You will guide migration, engineering, and clinical teams on algorithm behavior and output expectations, while validating data and documenting processes.

The role emphasizes developing CSV-based workflows, identifying anomalies, and ensuring data integrity across environments. You will work closely with data migration engineers and clinical teams, applying your signal processing and time-series

Qualifications

• 5+ years validating algorithms or software with CSV data workflows.
• PhD in Electrical Engineering, Applied Mathematics, Physics, Data Science, or related quantitative field.
• Strong DSP and time-series analysis knowledge.
• Proficient in Python with SciPy, NumPy, and pandas.
• Excellent ability to explain complex concepts to non-experts.

Responsibilities

• Provide technical guidance on signal processing to migration, engineering, and clinical teams, ensuring shared understanding of algorithm behavior and outputs.
• Analyze datasets to identify deviations, edge cases, and anomalies using appropriate statistical methods.
• Document existing signal processing algorithms clearly to support validation and knowledge transfer.
• Contribute to validation framework design, including tolerance thresholds and acceptance criteria.
• Develop and execute CSV-based comparison workflows to verify consistency of outputs and quantify discrepancies.
• Collaborate with data migration specialists and engineers to resolve data-integrity issues with proper documentation.

Skills

Algorithm validation

Python

SciPy

NumPy

pandas

Time-series analysis

Communication

Advanced English

Education

PhD in Electrical Engineering

Job description

Sii Poland is seeking a Signal Processing & Data Analysis Specialist to join its Data Science team. You will guide migration, engineering, and clinical teams on algorithm behavior and output expectations, while validating data and documenting processes.

The role emphasizes developing CSV-based workflows, identifying anomalies, and ensuring data integrity across environments. You will work closely with data migration engineers and clinical teams, applying your signal processing and time-series