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