Software Engineer
Skills & Stack
About the Role
Software Engineer at NielsenIQ Chennai, building scalable backend systems for high-volume data processing on the Phoenix system with Python, Spark, PostgreSQL and Airflow.
About NielsenIQ
NielsenIQ (NIQ) is the world's leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior across 100+ markets.
What You'll Do
- 1Design, develop and maintain robust backend systems for high-volume data processing
- 2Lead the design and optimization of relational and non-relational databases, with a focus on PostgreSQL
- 3Ensure reliability, scalability, and performance of production data pipelines and backend services
- 4Provide hands-on production support, including monitoring, troubleshooting, and resolving issues that are time-sensitive for client delivery
- 5 Collaborate across cross-functional teams involving Product, Operations, Design and Architecture teams to deliver high-impact solutions aligned with business objectives
- 6Apply a deep understanding of complex business logic to enhance system capabilities and data workflows
What We're Looking For
- 3-7 years of professional software engineering experience developing enterprise-grade applications, with a focus on backend and data systems
- Advanced proficiency in SQL, Python, and PySpark 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
- Working knowledge of CI/CD pipelines, version control (Git), and DevOps practices
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