Signal Processing & Data Analysis Expert

7n; Warszawa; On-site; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Dedicated agent

Consultant development program

Learning & Development access

Spectacular integration events

Professional development within 7N

Job summary

7N is seeking a highly skilled signal processing researcher to work with engineering, migration, and clinical teams in Warsaw. You will provide signal processing expertise, investigate data discrepancies with statistical methods, and document existing algorithms for validation and knowledge transfer.

You will design validation frameworks, test cases, and acceptance criteria for algorithm comparison, and develop CSV-based workflows to classify and quantify output differences.

Qualifications

• PhD required in a quantitative field.
• Strong background in Digital Signal Processing and time-series analysis.
• Hands-on experience with Python, including NumPy, SciPy, and pandas.
• Experience in algorithm/software validation, testing, and defining acceptance criteria.
• Experience working with large datasets and data reconciliation workflows.
• Excellent documentation and communication skills.

Responsibilities

• Provide signal processing expertise to engineering, migration, and clinical teams.
• Investigate data discrepancies, anomalies, and edge cases using statistical methods.
• Analyze and document existing signal processing algorithms to support validation and knowledge transfer.
• Design validation frameworks, test cases, and acceptance criteria for algorithm comparison.
• Develop CSV-based comparison workflows to identify, classify, and quantify output differences.
• Collaborate with engineers and data migration specialists to resolve data integrity issues and ensure full traceability of findings.

Skills

Digital Signal Processing

Time-series analysis

Data reconciliation

Documentation

Education

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

Tools

Python

NumPy

SciPy

pandas

Job description

• Provide signal processing expertise to engineering, migration, and clinical teams.


• Investigate data discrepancies, anomalies, and edge cases using statistical methods.


• Analyze and document existing signal processing algorithms to support validation and knowledge transfer.


• Design validation frameworks, test cases, and acceptance criteria for algorithm comparison.


• Develop CSV-based comparison workflows to identify, classify, and quantify output differences.


• Collaborate with engineers and data migration specialists to resolve data integrity issues and ensure full traceability of findings.

Requirements

• PhD in Electrical Engineering, Applied Mathematics, Physics, Data Science, or a related quantitative field.


• Strong background in Digital Signal Processing and time-series analysis.


• Hands-on experience with Python, including NumPy, SciPy, and pandas.


• Experience in algorithm/software validation, testing, and defining acceptance criteria.


• Experience working with large datasets and data reconciliation workflows.


• Excellent documentation and communication skills.

Nice to Have

• Experience with platform migrations or equivalency testing.


• Knowledge of reproducible research and version-controlled analysis workflows.


• Experience working with high-frequency sensor data.

We offer

• Ongoing support from a dedicatedagent , taking care of your project continuity, client contact, necessary formalities, work comfort and development,


• Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors,


• Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle,


• Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres),


• Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients,


• Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years,


• A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad.

About 7N

Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives.

Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.