Principal Software Engineer

Company Description
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.

Job Description
We are seeking a seasoned and results-driven Principal Software Engineer to join our high-performing development team. This role is ideal for a backend engineering expert with deep experience in database, Java technologies and a strong track record of building and supporting data-intensive applications. You will play a critical role in designing scalable, high-performance solutions within our Global Store Reference System (GSRS), leveraging a modern tech stack including PostgreSQL, Java, Spring Boot, Python, ElasticSearch, ReactJS in an Azure cloud environment.

This is a strategic opportunity to influence architecture, optimize data workflows, drive operational excellence in a fast-paced, collaborative environment and the chance to mentor top engineering talent. If you thrive in a fast-paced setting and want to make a high-impact contribution to innovative solutions, this is the place for you.

Key Responsibilities

• Design and implement scalable, high-performance backend systems using Java, Spring Boot, and microservices architecture
• Architect and optimize PostgreSQL and other data stores for reliability and speed, enabling high-volume data processing
• Ensure performance, security, and scalability of production services and data pipelines
• Provide hands-on support for mission-critical, time-sensitive environments
• Collaborate with cross-functional teams and with Product, Operations to deliver solutions aligned with business objectives
• Champion best practices in code quality, performance tuning, and maintainability
• Apply deep understanding of complex business logic to enhance system capabilities and data workflows
• Contribute to continuous improvement initiatives across development, deployment, and monitoring processes

Qualifications

• 10+ years of professional experience in software engineering, with a focus on backend and data systems
• Advanced proficiency in DB models, data flows, Java, Python, for data processing and application development
• Demonstrated expertise in PostgreSQL, including query optimization, indexing, partitioning, and performance tuning
• Experience supporting mission-critical, time-sensitive production environments and client-facing data delivery
• Strong understanding of RESTful APIs, microservices architecture, and scalable system design
• Experience with CI/CD pipelines, version control (Git), and DevOps practices
• Excellent analytical, problem-solving, and communication skills
• Proven ability to lead initiatives, mentor peers, and adapt to evolving technical landscapes
• Experience with cloud platforms (Azure, AWS, or GCP)
• Bachelor's degree in computer science, Engineering or related field

Preferred Qualifications

• Knowledge of testing frameworks and best practices for unit and integration testing
• Exposure to Agile/Scrum methodologies

Additional Information
Core Competencies

• Technical Expertise: Deep specialization in backend engineering and database technologies; advanced technical acumen
• Business Acumen: Applies industry best practices and business knowledge to improve technology products and processes
• Leadership: Leads projects or teams with moderate complexity; mentors peers and drives technical excellence
• Problem Solving: Tackles complex technical challenges using innovative approaches; applies analytical thought where precedent does not exist
• Impact: Influences the achievement of customer, operational, and project objectives
• Interpersonal Skills: Converts complex technical concepts into a compelling business context; negotiates effectively to align stakeholders

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.

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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