Senior Software Engineer

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   We are seeking a highly skilled Senior Software Engineer to architect, build, deploy, and optimize enterprise-grade platforms using Java, Spring Boot, Python (NumPy), REST APIs, Flask APIs, and Azure.  Responsibilities:  - Shape best practices, coding standards, and software architecture at an organizational level  - Lead solutions that improve API services quality, performance, and reliability across the organization  - Solve a range of technical problems of varying scope and complexity, taking a new perspective on existing solutions and exercising judgment based on analysis of multiple sources of information  - Optimize computing cost and performance using appropriate software engineering principles on Azure  - Design and build REST APIs with Spring Boot and Flask; develop Python/NumPy-based analytical and data processing components  - Work closely with PL, Architecture, PMO, and interfacing teams to productionalize features  - Enforce DevSecOps practices — Secrets management, SAST, DAST — and drive progressive unit test coverage  - Mentor junior engineers, act as a resource for colleagues with less experience, and drive technical decision-making  - Lead design reviews, code reviews, and platform API roadmap discussions  - Lead small projects with manageable risks and resource requirements; lead without authority, influencing through expertise, logical reasoning, and collaboration  - Adopt and improve efficiency gains by adopting AI tools in the SDLC; use AI to design automated reliability improvements, incident simulations, and scaling patterns  - Make technical decisions with a clear understanding of business impact, cost-efficiency, and long-term sustainability  - Exchange complex information, ideas, and concepts with others, guiding and persuading to build consensus  - 7+ years of professional experience, ideally in platform engineering building API services layers integrating with upstream and downstream systems  - Deep expertise in Java, Spring Boot, and Python; hands-on experience with NumPy for data-intensive workloads  - Strong experience building REST APIs and Flask API services at enterprise scale  - Experience defining and evolving technical strategy for large-scale distributed systems  - Proven ability to balance short-term delivery needs with long-term scalability and maintainability  - Experience in designing, building, deploying, and refactoring enterprise-grade applications  - Strong database expertise (RDBMS, NoSQL); hands-on with caching and queuing tools  - Experience in modern cloud ecosystems, with strong working knowledge of Azure  - Strong expertise in DevSecOps pipelines, quality gates, and tools (code coverage, testing, SAST, DAST)  - Track record of resolving cross-team challenges by fostering open and constructive conversations 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