Senior Software Engineer (TypeScript/NodeJS/SQL)

Company Description

Job Description

As a Senior Software Engineer in GfK's flagship product, you will be provided with a great opportunity to work as part of an agile feature team of technologists within the GfK product ecosystem. Specifically, you will work in a squad (mixing other developers, SREs, UI/UX designers, Product Owners, and Product Managers) dedicated to a project for the GfK Client Platform. For this opening, you will be part of the Sales Innovation function, responsible for the complete client lifecycle.

• Develop backend services and tooling for authorization, including client subscription management tools, authorization services, and upsell/cross-sell capabilities.
• Build and maintain robust server-side applications using TypeScript and NodeJS.
• Participate in backend architectural design sessions and community of practice.
• Implement Test-Driven Development (TDD) for writing comprehensive unit and integration tests.
• Address backend system and data integrity issues, and fix defects and performance problems identified during testing.
• Write various tests, including unit, integration, and acceptance tests to ensure system reliability and security.
• Propose projects that enhance working efficiency and quality of backend services.
• Work with architects and Agile teams to shape system architecture and performance goals.
• Translate high-level requirements into secure and efficient technical solutions.
• Integrate and manage database interactions with a focus on complex SQL queries.
• Engage in Agile practices, such as estimating and planning.
• Collaborate effectively with team members to ensure alignment and achieve team goals.
• Document technical efforts and architectures periodically.

Qualifications

• ​​​​8+ experience in backend development with a focus on TypeScript and strong knowledge in NodeJS.
• Expert-level knowledge in SQL, particularly with crafting complex queries and managing databases.
• Proficient in designing and implementing backend APIs and services.
• Solid understanding of TDD and experience with unit testing frameworks.
• Familiarity with Source-Control systems, CI/CD pipelines, and containerization (Docker, Kubernetes).
• Knowledge of creating and managing API documentation (e.g., Swagger).
• Understanding of design patterns and backend system architecture.
• Experience with cloud platforms (preferably GCP) and deploying projects via CI/CD.
• Interest in mentoring and improving the skills of fellow engineers.
• Open and collaborative mindset in team environments. 

Nice to Have:

• Experience with PostgreSQL and its advanced features.
• Familiarity with HTML templating and interactivity enhancements (e.g., HTMX).
• Experience with authentication and authorization frameworks like Auth0 or OIDC/OAuth.
• Understanding of Unix systems.
• Experience in large-scale backend environments.
• Agile development experience (e.g., SAFe). 

Additional Information

Your Team:

• Passionate about technology, with a focus on cloud-native applications and a range of technologies you would additionally be exposed to such as Kubernetes, Elasticsearch, Java, and Spring.
• Agile methodology driven, with a commitment to continuous improvement in processes, ways of working, and personal development.
• Embraces change and values advice from others within a non-hierarchical structure.
• Dedicated to innovation, problem-solving, and fostering an engaged, open mindset.

Our Benefits

• Flexible working environment
• Volunteer time off
• LinkedIn Learning
• Employee-Assistance-Program (EAP)

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

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Our commitment to Diversity, Equity, and Inclusion

NIQ is committed to reflecting the diversity of the clients, communities, and markets we measure within our own workforce. We exist to count everyone and are on a mission to systematically embed inclusion and diversity into all aspects of our workforce, measurement, and products. We enthusiastically invite candidates who share that mission to join us. We are proud to be an Equal Opportunity/Affirmative Action-Employer, making decisions without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability status, age, marital status, protected veteran status or any other protected class. Our global non-discrimination policy covers these protected classes in every market in which we do business worldwide. Learn more about how we are driving diversity and inclusion in everything we do by visiting the NIQ News Center: https://nielseniq.com/global/en/news-center/diversity-inclusion