Senior Software Engineer (must haves: NodeJS, Java, MySQL, MongoDb, Docker)

Our NielsenIQ backend teams are building scalable, reliable, and cloud-native systems that power consumer-facing applications and data platforms used by clients worldwide. Our clients rely on NielsenIQ's data and insights to innovate and grow. As a Senior Backend Engineer, you'll be part of a team of highly skilled engineers passionate about solving complex distributed system challenges. We work primarily with Java and Node.js, leveraging modern messaging, storage, and deployment technologies, with central technology hubs across Europe, Chennai and globally. What you'll do Design, develop and maintain scalable backend services using Java and Node.js. Build and optimize event-driven architectures and data pipelines with Kafka. Design and manage relational and non-relational databases (MySQL, MongoDB). Deploy and operate services on container orchestration platforms (Docker, Kubernetes). Contribute to Serverless architecture design and implementation. Evaluate the best approach to solve complex distributed system challenges. Collaborate closely with Product, DevOps, and Frontend teams to deliver high-quality features. Following source & test-driven development best practices. Track ticket progression with JIRA. Proactive communication with the team. Overall 7+ years of experience. Strong experience with Java (and best practices) Strong experience with Node.js (and best practices) Proficient with MySQL or other RDBMS Proficient with MongoDB or other NoSQL databases Experience with Kafka or other event streaming / message broker technologies Experience with Docker and containerization Experience with Kubernetes for container orchestration Proficient with version control systems, such as Git Strong understanding of distributed systems and microservices architecture Strong troubleshooting and problem-solving skills Excellent communication and collaboration skills Demonstrated ability to work as part of a global team It's a plus if you also have Experience with AWS or other cloud platforms Experience with Spinnaker for continuous delivery Understanding of CICD, such as Jenkins and GitHub Actions Familiarity with GitLab and GitHub Familiarity with Scrum development and tools, such as Jira Experience with Serverless architectures (AWS Lambda, etc.) Knowledge of API design and REST best practices Experience with observability tools (logging, metrics, tracing) 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