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.

Senior Software Engineer, Chennai

We are seeking a highly skilled Python & Generative AI Engineer (6–8 years experience) to design, build, and optimize scalable, cloud-native AI applications. This role blends hands-on development, system design, and applied AI engineering, with a focus on Large Language Models (LLMs) and Small Language Models (SLMs). 

The ideal candidate is a strong backend engineer with experience in distributed systems and AI-driven applications, capable of owning features end-to-end while contributing to architecture, performance optimization, and model fine-tuning workflows. 

Responsibilities 

• Design and develop scalable, cloud-native applications using Python and FastAPI. 
• Build and maintain APIs and backend services with a strong focus on performance, reliability, and maintainability. 
• Develop and integrate Generative AI solutions, including LLM-based applications and prompt engineering techniques. 
• Contribute to the design of distributed and event-driven systems with high availability. 
• Collaborate with architects and senior engineers to implement scalable and extensible system designs. 
• Implement CI/CD pipelines, automated testing, and DevOps best practices. 
• Leverage AI-assisted development tools (e.g., GitHub Copilot) to improve development efficiency. 
• Ensure code quality through testing, reviews, and adherence to engineering standards. 
• Monitor and optimize applications using logging, monitoring, and observability tools. 
• Work closely with cross-functional teams to deliver AI-powered business solutions. 
• SLM fine-tuning for edge or cost-efficient deployments 

• Bachelor's degree in computer science, Engineering, or a related field. 
• 6–8 years of experience in software development. 
• Must-Have Skills:
• Strong proficiency in Python and object-oriented programming. 
• Experience with LLM fine-tuning, RAG (Retrieval-Augmented Generation), or vector databases. 
• Experience in building REST APIs using FastAPI or similar frameworks (Flask/Django). 
• Hands-on experience with Generative AI / LLMs and prompt engineering. 
• Solid understanding of data structures, algorithms, and design patterns. 
• Experience with cloud platforms (Azure, AWS, or GCP). 
• Experience with CI/CD pipelines, version control (Git), and DevOps practices. 
• Knowledge of distributed systems fundamentals and microservices architecture. 
• Experience with testing frameworks such as Pytest. 
• Strong debugging, problem-solving, and analytical skills. 
• Good-to-Have Skills:
• Familiarity with Infrastructure as Code (Terraform, Pulumi). 
• Experience with SLM deployment on edge or low-latency environments 
• Experience with observability tools (Prometheus, Grafana, OpenTelemetry, etc.). 
• Knowledge of polyglot persistence (SQL & NoSQL databases). 
• Familiarity with AI-assisted coding tools like GitHub Copilot. 
• Exposure to containerization and orchestration (Docker, Kubernetes). 
• Prior experience working in Agile/Scrum environments. 

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

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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