Senior Software Engineer - Backend & Cloud Native Applications

Senior Software Engineer

Job Description

Responsibilities 

• Write complex, maintainable, and high‑quality code to develop scalable, flexible, and user‑friendly applications using Java (Java 17+), Spring Boot, and cloud architecture. 
• Design and build highly available, low‑latency, cloud‑native services using Spring Web (MVC/WebFlux) and microservices best practices. 
• Collaborate with cross‑functional teams and mentor junior engineers through design reviews, code reviews, and best practices. 
• Integrate and expose RESTful APIs with OpenAPI/Swagger; consume external services; implement idempotency, pagination, and error handling patterns. 
• Participate end-to-end in the SDLC—design, development, testing, deployment, and production support—with a focus on reliability and performance. 
• Ensure quality via unit/integration tests, code coverage, and performance testing, adhering to secure and scalable design principles. 
• Implement observability with structured logging, metrics and tracing; integrate with Datadog, or Graylog. 
• Contribute to CI/CD using pipelines for build, test, coverage, security scans, and deployments. 
• Continuously learn and apply modern frameworks, patterns, and best practices to improve system performance and developer productivity. 

 

Qualifications

• 7+ years of applicable software engineering experience in backend or cloud-native application development. 
• Strong hands-on experience with Java and Spring Boot (Spring Web, Spring Data, Spring Validation; WebFlux is a plus). 
• Familiarity with Java GenAI/agent frameworks such as LangChain4j and Spring AI; experience integrating Azure OpenAI or equivalent is a plus. 
• Strong experience designing and integrating RESTful APIs; proficiency with OpenAPI/Swagger, JSON, and API versioning standards. 
• Proficiency with SQL/NoSQL and relational databases (PostgreSQL/Mongo/MySQL/MS SQL Server); experience with JPA/Hibernate and Spring Data; skilled in query tuning and transaction management. 
• Experience with message queues/streams (Apache Kafka, RabbitMQ, or equivalent). 
• Testing & quality: JUnit 5, Mockito, Testcontainers (nice to have), JaCoCo coverage; SonarQube or equivalent for static analysis. 
• Observability: Micrometer, OpenTelemetry; hands-on with ELK, Splunk, Datadog, or Graylog. 
• CI/CD: Experience with Jenkins pipelines (build, deploy, test, coverage, and quality gates); build tools Maven/Gradle. 
• Cloud & containers: Docker; exposure to Azure (AKS, ACR, Azure App Service, Azure Monitor/Log Analytics). Azure OpenAI exposure is a plus. 
• Security: Spring Security, OAuth2/OIDC, JWT; awareness of OWASP best practices. 
• Strong communication skills; able to collaborate effectively with engineering and business stakeholders. 
• Bachelor’s degree (B.S.) in Computer Science, Computer Engineering, or related field. 

 

Additional Information

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

Experience Level

Senior Level