2,048,870open jobs
122,897companies
238,955added this week
Browse all
Salary
$39k – $52k per year
Location
Hybrid (Warsaw, Poland)
Seniority
Senior · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 2, 2026. First seen by Alion on Sep 14, 2026. NielsenIQ scores B on the Alion truth index.

Overview
Company
Impact
Profile match
NielsenIQ is a consumer intelligence company whose retail measurement business traces back to the market research firm founded by Arthur Nielsen in 1923, and which was separated from Nielsen Holdings in 2021 when Advent International bought the connect division. It measures what shoppers buy across grocery, pharmacy, convenience and ecommerce channels, and sells that read of market share, pricing and promotion effectiveness to consumer goods manufacturers and retailers. The company merged with GfK in 2023, listed on the New York Stock Exchange in 2025, and operates in more than ninety countries from its base in Chicago.

As a Senior Data Scientist within the Data Science Methods team in the NIQ Product organization, you will help define and support development of new products and methods and improvement initiatives. This position focuses on innovation in data processing methods for retail measurement and automation of existing statistical procedures.

RESPONSIBILITIES

  • Support definition and execution of analyses targeting innovation initiatives, development and implementation of methodologies, standards, and KPIs.
  • Prototype solutions and support pilot programs for R&D purposes, including trend analyses, representation/sampling, bias reduction, indirect estimation, data integration, automation, and generalisation.
  • Test-driven development of scalable data processing applications.
  • Deliver documentation of new methodologies and best practices.
  • Collaborate with an experienced team of Developers and Data Scientists.
  • Support various Operations teams as main users of our solutions.
  • Engage with stakeholders on scope, execution, data exchange, and outcomes for assigned projects.
  • Participate in multiple projects simultaneously.

Requirements:

  • B.S., Masters, or PhD degree in Statistics, Mathematics, Social Science, Operation Research, or other hard sciences (e.g., Engineering, Computer Science, Biology, Physics, etc.) with outstanding analytical expertise and strong technical skills.

  • At least 3 years of relevant work experience.

  • Experience in trend analyses, multivariate statistics (parametric/non-parametric), sampling, optimization, bias reduction, indirect estimation, data aggregation techniques, automation, and generalization.

  • Good data visualization skills - ability to create clear and compelling charts and graphs

  • Proficient in Python programming language including data analysis and statistical packages (Pandas, Polars, NumPy, Scikit-Learn). Familiarity with Python standard library, especially unittest and argparse modules.

  • Experience with Apache Spark or other big data processing solutions.

  • Experience with cloud computing and storage (MS Azure preferred).

  • Ability to manipulate, analyze, and interpret large data sources.

  • Strong communication/writing skills with good English

Preferred:

  • Experience in NIQ methodologies, data collection, platforms, research processes, and operations.

  • Experience in machine learning (appropriate application for prediction and classification)

  • Deep Learning - understanding of neural networks and deep learning frameworks like TensorFlow and PyTorch.

  • GenAI and AgenticAI - knowledge of available applications and programming packages for implementation of LLM based solutions and data processing automation.

  • Experience with the Docker and Linux command line.

Our Benefits

  • Flexible working environment
  • Volunteer time off
  • LinkedIn Learning
  • Employee-Assistance-Program (EAP)

NIQ may utilize artificial intelligence (AI) tools at various stages of the recruitment process, including résumé screening, candidate assessments, interview scheduling, job matching, communication support, and certain administrative tasks that help streamline workflows. These tools are intended to improve efficiency and support fair and consistent evaluation based on job-related criteria. All use of AI is governed by NIQ’s principles of fairness, transparency, human oversight, and inclusion. Final hiring decisions are made exclusively by humans. NIQ regularly reviews its AI tools to help mitigate bias and ensure compliance with applicable laws and regulations. If you have questions, require accommodations, or wish to request human review were permitted by law, please contact your local HR representative. For more information, please visit NIQ’s AI Safety Policies and Guiding Principles: https://nielseniq.com/global/en/info/niqs-ai-safety-policies/

About NIQ

NIQ is the world’s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth. In 2023, NIQ combined with GfK, bringing together the two industry leaders with unparalleled global reach. With a holistic retail read and the most comprehensive consumer insights-delivered with advanced analytics through state-of-the-art platforms-NIQ delivers the Full View™. NIQ is an Advent International portfolio company with operations in 100+ markets, covering more than 90% of the world’s population.

For more information, visit NIQ.com

Want to keep up with our latest updates?

Follow us on: LinkedIn | Instagram | Twitter | Facebook

Our commitment to Diversity, Equity, and Inclusion

At NIQ, we are steadfast in our commitment to fostering an inclusive workplace that mirrors the rich diversity of the communities and markets we serve. We believe that embracing a wide range of perspectives drives innovation and excellence. All employment decisions at NIQ are made without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable laws. We invite individuals who share our dedication to inclusivity and equity to join us in making a meaningful impact. To learn more about our ongoing efforts in diversity and inclusion, please visit the https://nielseniq.com/global/en/news-center/diversity-inclusion

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,048,870 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Data Science
Similar stack
Same company
Warsaw
In office · Full-Time · Poland
SQL
Bash
Databases
Oracle
DevOps
Rest API
Azure DevOps
Azure
CI/CD
Jenkins
Git
Linux
Unix
SOAP
Cybersecurity
GDPR
Analytics
ETL/ELT
Management
Confluence
Jira
Apply
$22k per year · In office · Full-Time · 3+ years exp · Bachelor's Degree · Kraków
SQL
Management
Agile
Apply
≈ $67k – $113k per year (Estimated) · Hybrid · Full-Time · Bachelor's Degree · Warsaw
SQL
Apply
≈ $78k – $132k per year (Estimated) · Hybrid · Full-Time · 4+ years exp · Associate's Degree · Warsaw
Python
SQL
SAS
DevOps
GCP
Life Sciences
Good Clinical Practice
Apply
≈ $77k – $130k per year (Estimated) · Hybrid · Full-Time · 8+ years exp · Associate's Degree · Warsaw
Python
SQL
SAS
Apply
Systems Engineer 8 days ago
≈ $123k – $239k per year (Estimated) · In office · TS/SCI · 11+ years exp · Bachelor's Degree · Herndon
Python
DevOps
Puppet
Ansible
Azure
AWS
GitHub
Linux
Management
Agile
Apply
≈ $18k – $43k per year (Estimated) · In office · Full-Time · 5+ years exp · Bachelor's Degree · Bengaluru
Python
PowerShell
Databases
DynamoDB
DevOps
Terraform
Dynatrace
Azure
AWS
Kubernetes
Grafana
AWS Lambda
Amazon EC2
Amazon S3
IAM
Amazon ECS
Linux
Windows
Cybersecurity
ISO 27001
Management
ITIL
Apply
≈ $31k – $65k per year (Estimated) · Remote (EAEU) · 4+ years exp · Moscow
Python
SQL
Databases
ClickHouse
Greenplum
AI/ML
Hadoop
Spark
Machine Learning
DevOps
Docker
Kubernetes
Grafana
Apply
$100k – $150k per year · In office · Columbia
Python
PowerShell
Perl
Databases
OpenSearch
DevOps
Splunk
Zabbix
KVM
Windows
VPN
Cybersecurity
Wireshark
Apply
≈ $21k – $54k per year (Estimated) · In office · Full-Time · 7+ years exp · Bengaluru
JavaScript
TypeScript
C#
C#
.NET
Frontend
Angular
DevOps
Azure
CI/CD
Apply
≈ $9.5k – $26k per year (Estimated) · In office · Full-Time · 3+ years exp · Bachelor's Degree · Chennai
Python
SQL
Databases
MS SQL
DevOps
Azure
Unix
Management
ServiceNow
ITIL
Apply
≈ $14k – $31k per year (Estimated) · In office · Full-Time · 7+ years exp · Chennai
Python
SQL
Databases
Microsoft Fabric
DevOps
Rest API
Azure
Analytics
Power BI
ETL/ELT
Azure Data Factory
Management
Power Automate
Apply
≈ $9k – $24k per year (Estimated) · In office · Full-Time · 5+ years exp · Cairo
Apply
Data Scientist 20 days ago
Hybrid · Full-Time · 2+ years exp · Mexico City
Python
Apply
Hybrid · Full-Time · 1+ year exp · Ho Chi Minh City
Python
SQL
AI/ML
Machine Learning
DevOps
Git
Bitbucket
Analytics
Tableau
Power BI
Management
Confluence
Apply
$49k – $73k per year · Remote (Poland) · Full-Time · Warsaw · Kraków
SQL
Databases
Databricks
Delta Lake
AI/ML
dbt
DevOps
Azure
CI/CD
Git
AWS
Analytics
Power BI
Management
SharePoint
Apply
≈ $96k – $184k per year (Estimated) · Hybrid · Full-Time · 5+ years exp · Bachelor's Degree · London · Warsaw · Weybridge · Prague
AI/ML
Machine Learning
Apply
≈ $78k – $132k per year (Estimated) · Hybrid · Full-Time · 4+ years exp · Associate's Degree · Warsaw
Python
SQL
SAS
DevOps
GCP
Life Sciences
Good Clinical Practice
Apply
≈ $50k – $96k per year (Estimated) · Hybrid · Warsaw
Go
JavaScript
PHP
Node JS
Databases
MySQL
PostgreSQL
Redis
ClickHouse
RabbitMQ
Memcached
Apache Kafka
DevOps
Ansible
Podman
containerd
Debian
GitLab CI
CI/CD
Docker
Kubernetes
Ubuntu
Nginx
SaltStack
Configuration Management
KVM
Amazon S3
Linux
Unix
VPN
Apply
≈ $24k – $61k per year (Estimated) · Hybrid · 2+ years exp · Warsaw
JavaScript
PHP
TypeScript
PHP
Symfony
Databases
MySQL
PostgreSQL
Redis
RabbitMQ
Memcached
SQLite
CouchDB
Frontend
Redux
Webpack
React.js
Vite
Material UI
DevOps
CI/CD
Docker
Nginx
SaltStack
VirtualBox
GitLab
Linux
SOAP
QA
Playwright
Jest
Sentry
Apply
See all jobs
This is one of many
2,048,870 more open roles from verified company boards, updated every day.