Denodo Data Virtualization Engineer

Introduction

We are building a governed data virtualization layer for a large South African mining client using Denodo. The role requires a hands-on Denodo specialist to design, build, and optimize a virtualized data layer that enables real-time reporting from Oracle ERP and other enterprise data sources without data replication. The successful candidate will work closely with client stakeholders and delivery teams to establish a scalable, secure, and high-performing data virtualization platform.

Duties & Responsibilities

• Design, develop, and support Denodo artefacts including base views, derived views, interface views, and published data services (JDBC, REST, and OData).

• Build and optimize virtualized data models across Oracle ERP, databases, APIs, cloud platforms, files, and other enterprise applications.

• Implement query optimization, caching strategies, performance tuning, and federated data access patterns.

• Configure and maintain row-level and column-level security, role-based access controls, and data governance controls.

• Perform data reconciliation and validation activities to ensure virtualized outputs accurately reflect source-system data.

• Publish curated and governed data services for downstream reporting, analytics, and business intelligence platforms.

• Collaborate with business and technical stakeholders to gather requirements, document solutions, and support agile delivery.

• Provide technical leadership, knowledge transfer, and mentoring to client and project team members.

Desired Experience & Qualification

• Minimum 5 years' hands-on experience delivering Denodo Data Virtualization solutions and 4+ years' experience in data engineering, integration, or related disciplines.

• Mandatory Denodo Platform Developer Associate and/or Denodo Administrator Associate certification.

• Strong experience with Denodo VDP, Data Catalog, Scheduler, VQL development, view modelling, and data service publishing.

• Proven experience integrating Oracle ERP, Oracle databases, APIs, cloud platforms, and enterprise applications, supported by strong SQL and PL/SQL skills.

• Deep understanding of data virtualization architecture, metadata management, lineage, semantic data layers, and governance frameworks.

• Proficiency in SQL, data modelling, ETL/ELT concepts, REST/SOAP services, and enterprise data integration patterns.

• Experience implementing and supporting security, governance, performance tuning, and data quality controls within Denodo.

• Knowledge of modern data platforms including Microsoft Fabric, Azure, Snowflake, Databricks, Oracle, and enterprise data warehouse environments.

• Excellent analytical and troubleshooting skills with the ability to resolve complex performance and integration issues.

Soft Skills

• Strong stakeholder engagement and client-facing communication skills in English.

• Excellent documentation, requirements gathering, and problem-solving capabilities.

• Ability to work independently while collaborating effectively within cross-functional teams.

• Experience coaching and mentoring junior resources.

• Strong attention to detail with a disciplined approach to data validation and reconciliation.

Desirable

• Advanced Denodo Professional certifications.

• Experience delivering solutions within mining, industrial, or ERP-intensive environments.

• Exposure to Power BI, Microsoft Fabric, and enterprise data governance frameworks.

• Experience optimizing large-scale federated data environments and high-volume reporting workloads.

• Familiarity with agile delivery methodologies and DevOps practices.

Package & Remuneration

• 6 - 12 month contract with the option to go perm

• Hybrid (Johannesburg)