Senior Data Scientist / Applied Scientist - Signal Processing & Algorithm Validation

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!

Role Overview

We are seeking a Senior Data Scientist / Applied Scientist with expertise in signal processing, statistical analysis, and algorithm validation. The role focuses on evaluating algorithm performance, investigating data discrepancies, and establishing confidence in system equivalency during platform or environment transitions.

Key Responsibilities

• Validate and compare algorithm outputs across different systems, platforms, or environments.
• Analyze large datasets to identify discrepancies, anomalies, and edge cases.
• Apply signal processing and statistical methods to assess whether observed differences are meaningful.
• Investigate algorithm behavior and document findings to support validation and knowledge transfer.
• Define validation approaches, acceptance criteria, and tolerance thresholds.
• Collaborate with engineering, migration, and business teams to resolve data integrity and system equivalency issues.

Required Qualifications

• PhD or strong research background in Physics, Electrical Engineering, Applied Mathematics, Data Science, or a related quantitative field.
• Strong expertise in signal processing and time-series analysis.
• Advanced statistical analysis skills.
• Proficiency in Python for scientific computing (NumPy, SciPy, pandas).
• Experience validating algorithms, models, or analytical systems.
• Experience comparing baseline vs. new-version outputs and investigating discrepancies.
• Ability to work with large datasets and edge cases.
• Strong communication and technical documentation skills.

Preferred

• Publications or research experience.
• Experience with Computer System Validation (CSV), Verification & Validation (V&V), or regulated environments.
• Experience with platform migrations, system equivalency testing, or high-frequency sensor data.

Perks and benefits:

• Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.
• Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.
• Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.
• Global collaboration - work with a diverse, international team.
• Innovative environment - be part of a forward-thinking and growth-oriented workplace.
• Engaging community - Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.
• Team-building events including our company tradition (annual company event in Mazury).
• A pleasant surprise to start your journey with us in the form of a welcome pack.

Recruitment process:

• HR call
• Technical Interview
• Interview with the dedicated Client
• Final decision/ Feedback

Sounds interesting? Click "Apply" and have a chance to hear more!