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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
NIQ is committed to reflecting the diversity of the clients, communities, and markets we measure within our own workforce. We exist to count everyone and are on a mission to systematically embed inclusion and diversity into all aspects of our workforce, measurement, and products. We enthusiastically invite candidates who share that mission to join us.
We are proud to be an Equal Opportunity/Affirmative Action-Employer, making decisions without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability status, age, marital status, protected veteran status or any other protected class. Our global non-discrimination policy covers these protected classes in every market in which we do business worldwide.
Learn more about how we are driving diversity and inclusion in everything we do by visiting the NielsenIQ News Center: https://nielseniq.com/global/en/news-center/diversity-inclusion/
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Sr Engineer - Python & AI
Chennai, Pune India
Full-time
Job Description
We are looking for a skilled Python Developer and AI practicer to design, develop, and optimize data processing solutions for large-scale applications. The role involves building robust data pipelines, implementing business logic, and ensuring high performance and scalability in a distributed environment.
Key Responsibilities
Develop and maintain data processing pipelines using Python and AI practicer.
Fine-tune and prompt-engineer LLMs (OpenAI, Anthropic, open-source) for retrieval-augmented generation (RAG), reasoning, and tool use.
Integrate agents with enterprise data sources (APIs, SQL/NoSQL DBs, vector stores like Pinecone etc.)
Collaborate with data engineers, analysts, and architects to deliver high-quality solutions.
Implement data validation and transformation logic for structured and unstructured data.
Integrate solutions with big data ecosystems (Hadoop, Spark, Hive).
Ensure code quality, reusability, and maintainability through best practices.
Participate in code reviews, troubleshooting, and performance tuning.
Work closely with DevOps teams to integrate pipelines into CI/CD workflows.
Required Skills & Qualifications
Strong proficiency in Python programming.
Experience in prompt engineering, with the ability to design, optimize, and evaluate effective prompts for LLM applications
Strong software engineering practices with a focus on writing clean, maintainable, and production-grade Python code
Strong Python skills (async I/O, typing, testing) plus familiarity with Node JS/RestAPI’s
Hands-on with at least one LLM/agent frameworks and Optimizations, RAG development, pipelines and AI agent platforms
Experience in API integration for MCP server/client if needed
Hands-on experience in AI with a track record of delivering impactful solutions
Experience with SQL and data modeling.
Familiarity with data lake and cloud platforms (AWS, Azure, GCP).
Understanding of CI/CD pipelines and version control (Git).
Excellent problem-solving and analytical skills.
Preferred Qualifications
Experience with performance tuning in Python.
Knowledge of data security and governance practices.
Exposure to streaming frameworks (Kafka, Spark Streaming).
Nice-to-Haves
Experience with RAG pipelines over enterprise knowledge bases (SharePoint, Confluence, Snowflake).
Familiarity with LLM evaluation frameworks (LangSmith).
Knowledge of privacy-enhancing techniques (data anonymization, differential privacy).
Contributions to open-source AI projects or published research.
Additional information
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.
LinkedIn Learning
Employee-Assistance-Program (EAP)
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.
LinkedIn Learning
Employee-Assistance-Program (EAP)
Our Benefits
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
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
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