Senior / Lead Software Engineer - C#,.NET Core or Python, Spark and RDS Postgres

At Nielsen, we believe that career growth is a partnership. You ultimately own, fuel and set the journey. By joining our team of nearly 14,000 associates, you will become part of a community that will help you to succeed. We champion you because when you succeed, we do too. Embark on a new initiative, explore a fresh approach, and take license to think big, so we can all continuously improve. We enable your best to power our future. This position is responsible for analyzing, developing, testing, and supporting highly complex in-house data coding application software and services in AWS, Python / Spark or C# and Postgres. These software applications and ETL processes must be developed and maintained with high-quality standards and minimal defects. These data coding / ETL software applications are used within Nielsen Ad Intel business to harmonize and code advertisement related data such as : Television, Radio, Digital, Social, Search, Press, Cinema, Outdoor and other minor media. As part of this team you will have the opportunity to work in a young multicultural high performance environment that will give you the possibility to work with other teams in the Nielsen Media business space.The Staff Software Engineer is ultimately responsible for delivering technical solutions : starting from the project's onboard until post launch support and including development, testing and user acceptance. It is expected to coordinate, support and work with multiple delocalized project teams in multiple regions. As a C# .NET Core or Python Backend Developer, you will play a crucial role in designing, developing, and maintaining scalable and distributed backend systems using C# and .NET Core or Python within a microservices architecture. You will collaborate with cross-functional teams to deliver robust, efficient and maintainable data entry solutions.

Responsibilities

• Microservices Development :
• Design, develop, and maintain microservices using C#. .NET Core or Python.
• Implement and adhere to microservices architecture principles, ensuring independence, scalability, and resilience of services.
• API Development :
• Create and maintain RESTful APIs to facilitate communication between microservices and other components.
• Ensure API security, performance, and adherence to best practices.
• Database Design and Optimization :
• Design and implement database schemas, ensuring efficient data storage and retrieval.
• Optimize database queries and transactions for maximum performance.
• Backend Architecture :
• Work closely with architects and frontend developers to contribute to the overall backend architecture and design decisions.
• Integrate AI into workflows.
• Implement and adhere to coding standards and best practices.
• Collaboration and Communication :
• Collaborate with frontend developers, DevOps engineers, and other stakeholders to ensure seamless integration of frontend and backend components.
• Communicate effectively with team members to understand requirements, provide updates, and troubleshoot issues.
• Code Quality and Testing :
• Write clean, well-documented, and maintainable code following best practices.
• Conduct thorough unit testing and participate in code reviews to ensure code quality.
• Performance Optimization :
• Identify and address performance bottlenecks in the backend code.
• Optimize applications for scalability, responsiveness, and resource utilization.
• Security Implementation :
• Implement security best practices at both the code and infrastructure levels.
• Collaborate with security teams to address potential vulnerabilities and ensure compliance with security standards.
• Version Control and CI / CD :
• Utilize version control systems (, Git) to manage source code.
• Work with continuous integration and continuous deployment (CI / CD) pipelines to automate the deployment process.

Key Skills