Senior Software Engineer (Java, Multithreading, Docker and AWS)

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.  

Slice (NielsenIQ) is seeking an experienced Senior Software Engineer to join our Core Engineering team. You will work on Java-based public web services and contribute to the evolution of our high-volume, distributed infrastructure that powers data extraction, classification, and low-latency delivery to consumer and partner applications. Our team focuses on scalability, resilience, architectural excellence, and building systems that operate reliably at massive scale. As a senior engineer, you will help design, optimize, and extend mission-critical components that drive Slice’s core platform.
 

Roles and Responsibilities 

• Serve as a recognized expert in software design, architecture, and performance optimization across the domain.
• Lead end-to-end design and implementation of critical, high-impact systems with a focus on long-term scalability and maintainability.
• Define, document, and enforce system-wide design patterns, coding standards, and architectural principles.
• Architect and integrate scalable, event-driven, and resilient distributed systems for high-volume, low-latency workloads.
• Solve complex challenges in high-availability and fault-tolerant architectures, driving improvements in reliability and throughput.
• Design and evolve API contracts with backward compatibility, extensibility, and cross-service interoperability.
• Define and implement observability and telemetry strategies to ensure deep insight into system behavior and performance.
• Apply polyglot persistence principles by choosing optimal data storage technologies for varied use cases. 
• Work with cloud-based architectures and infrastructure-as-code tools (e.g., Terraform, Pulumi) to improve deployment reliability and efficiency.
• Establish scalable automated testing frameworks and quality gates used across multiple engineering teams.  Drive DevOps excellence by improving automation, strengthening security, and advancing operational best practices.
• Conduct deep design and code reviews, ensuring alignment with engineering excellence standards. 
• Collaborate with product and engineering teams to resolve architectural dependencies and align system roadmaps.
• Evaluate and introduce new technologies, frameworks, and patterns to enhance engineering efficiency and platform performance.
• Incorporate AI-assisted analysis to explore architectural alternatives and improve component design.
• Lead domain-level CI/CD modernization efforts, introduce secure-by-default patterns, and drive adoption of automated quality and security tooling.

• You have at least 6+ years of experience building production software and a degree in Computer Science,  Computer or Electrical Engineering.
• You are an expert software developer in a Java environment.
• You have outstanding strategic thinking and strong analytical and communication skills.
• You are good at spoken and written English. Technical Skills:
• Expert knowledge of Java developing and debugging.
• Excellent knowledge of multi-threading programming.
• Experience with both SQL and/or NoSQL data stores.
• Good understanding of Hibernate and other JPA-related technologies.
• Experience with rapid iteration development methodologies.
• Development of clean and robust code.
• Experience in implementing complex algorithms and logic.
• Amazon Web Services knowledge and experience preferred.
• Experience with cloud-based code build and deployment process preferred (Jenkins, AWS, Azure, Docker, Kubernetes).

Our values

• Work is fun, challenges are welcome: We innovate, take risks, move fast, learn quickly, and move forward.
• Nos egos: We prioritize the company’s success and collaborate openly.
• Grow talent: We hire smart people, empower them, and foster entrepreneurial ownership
• Transparency: We value honest, respectful communication and feedback.
• Results first: We measure outcomes, not activity — perfect is the enemy of good.
• Customer success: We treat customers and partners with respect and aim to be easy to work with

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://www.nielseniq.com/global/en/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

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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