Principal Software Engineer (Full Stack)_V

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. 
We're looking for a Senior Software Engineer to join our Campaign Analytics team. The Campaign Analytics suite of products utilize survey based datasets to measure, analyze, and report on Advertisement effectiveness.
As a senior engineer on our team, you'll have a lead role in building systems to extract insights from our datasets. You'll have the opportunity to work on data pipelines, web applications and dashboarding solutions; as well as some of the supporting infrastructure. We are an agile team that work directly with product owners and collaborate with Data Scientists. Our culture is inclusive and we have a healthy work life balance.
If you're passionate about problem solving, enjoy continuous learning, like building new things; while mentoring and guiding others. We want to hear from you!

Responsibilities

• Collaborate with product owners to understand requirements and design new components.
• Collaborate in cross-functional teams to implement, test and deploy features.
• Mentor junior developers and conduct occasional training sessions.
• Perform code reviews.
• Build and maintain Front-end and Backend components.
• Analyze, design, develop, test and implement business systems of the highest complexity.
• Write code with maintainability and scalability in mind.
• Research, assess and facilitate the adoption of new technologies

Qualifications

• 5+ years with programming language Javascript.
• 5+ years with programming languages Python or Java.
• Strong knowledge of programming concepts and  paradigms.
• Experience designing system components from requirements.
• Experience with SQL and relational database systems.
• Experience with Full Stack development.
• Experience of knowing what to test, writing tests, TDD(Test driven development), automation.
• Experience designing and developing APIs.
• Experience with version control systems.
• Excellent communication skills.
• Experience working in Cloud environments.
• Experience working in an agile environment.

Preferred Qualifications

• MS in Computer Science or related field.
•  4+ years Python programming experience. 
• 3+ years Javascript experience.
•  Experience with mainstream programming languages .net, C++, Java, etc.
•  Experience with popular AWS services (S3, RDS, EC2, etc.). 
• Experience with AWS infrastructure, automation, cost analysis, and operational support.
•  Experience React, Angular, Vue or other front-end technologies. 
• Experience leading and mentoring developers. 
• Experience with popular developer tools (Git, Docker, Github/Gitlab).
•  Knowledge of NodeJS and web browser automation tools.