Senior Data Engineer (Polars, Django)

NIQ Digital Shelf is looking for an experienced Data Engineer with strong Python data programming skills.

As part of the Digital Purchases data team in NielsenIQ, you will use modern Python libraries to create and maintain data pipelines for image comparison. You will be responsible for designing, programming, deploying and maintaining large-scale data processing workflows, with a strong focus on reliability, performance, and maintainability.

Job Title: Senior Software Engineer

Location- Chennai/Pune(Hybrid)

Polars, Python, Django - mandatory skills for this role

• You have a first significant experience in writing large-scale data pipelines using Python and Polars.
• You master engineering best practices, write code with unit and integration tests, and have experience with CI/CD
• You love designing complex pipelines where you have decision making

Mandatory Technologies

• Python (data engineering and automation)
• Django
• Polars (high-performance dataframe processing)
• PostgreSQL (PSQL) (data modeling, queries, and optimization)
• Unit testing frameworks (e.g. pytest)
• CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, or similar)

Optional / Nice-to-Have Technologies

• DuckDB (embedded analytical database)
• Kubernetes (container orchestration and deployment)
• Cloud data environments (e.g. GCP, AWS, Azure)
• Image processing or computer vision tools (for visual data matching)

• Enjoy a flexible and rewarding work environment with peer-to-peer recognition platforms. 
• Recharge and revitalize with help of wellness plans made for you and your family. 
• Plan your future with financial wellness tools. 
• Stay relevant and upskill yourself with career development opportunities. 

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://www.nielseniq.com/global/en/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

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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