Senior Data Engineer

Title: Senior Data Engineer
Duration: 06 months (potential to hire)
Location: Newark, NJ

Job Description
We are seeking a hands-on Senior Data Engineer with strong Denodo experience to design, build, and maintain scalable virtualized data products and semantic-layer solutions. The ideal candidate will have expertise in data integration, virtualization, API enablement, and cloud-based ETL development. This role will partner closely with Solution Architects, Tech Leads, AI Engineers, and Business SMEs to deliver trusted, governed, and AI-consumable data assets.

Key Responsibilities
Denodo Development
* Develop and maintain layers of views;
* Build virtualized data products using Denodo best practices.
o Implement: Relationship, joins, standardization, transformations
* Apply enterprise naming conventions and business metadata standards.
Data Engineering
* Build and support ETL/ELT pipelines using AWS services.
* Integrate data from multiple source systems, APIs, cloud platforms, and operational applications.
* Support creation of canonical data models and semantic-layer entities.
* Develop reusable data transformation components.
Performance Optimization
* Optimize Denodo query performance.
* Implement caching and accelerator strategies.
* Tune joins, aggregations, and virtualized query execution.
* Troubleshoot complex performance and integration issues.
Required Qualifications
* 5+ years of Data Engineering experience.
* 3+ years of Denodo development experience.
* Strong knowledge of:
o Virtual Data Models
o Data Integration
o SQL
o Data Warehousing
o Dimensional Modeling
* Experience with:
o AWS Lambda
o ETL/ELT development
o APIs and Web Services
o Data Product development
* Experience implementing:
o Join strategies
o Aggregations
o Union operations
o Data standardization frameworks

Preferred Qualifications
* Exposure to:
o AI/Agent engineering ecosystems
o LLMOps concepts