Senior Data Architect: Shape Enterprise Lakehouse & AI

GBT Solutions, Lda; Porto; Hybrid; EUR 28,000 - 35,000; Full time

Job summary

GBT Solutions is seeking a Data Architect to lead the data architecture for multiple domains in Porto/ Gaia with hybrid in-office days. You will define conceptual/logical/physical models, shape the enterprise data model, and drive Lakehouse standards to support analytics, AI, and digital services.

Ideal candidates have strong experience in data modelling, Data Vault, Databricks, and data governance. Collaboration with Enterprise Architecture and data teams is essential.

Qualifications

• Knowledge of data modelling at conceptual, logical and physical levels.
• Experience with dimensional modelling, Data Vault and data lakehouse patterns.
• Familiarity with data contracts, data governance, and metadata management.
• Understanding of streaming, CDC, batch processing, and API-based integration.

Responsibilities

• Own and define data architecture for assigned business domains, including conceptual, logical, and physical data models.
• Design domain data models and contribute to the enterprise data model.
• Define and maintain Lakehouse modelling standards and best practices.
• Design reusable data products and establish data contracts covering schema, semantics, quality standards, and service-level expectations.
• Design end-to-end data flows supporting analytics, AI, and digital services.
• Define integration patterns across APIs, event-driven architectures, CDC, batch processing, and SAP ecosystems.
• Collaborate with Enterprise Architecture, Core IT, and source system teams on integration initiatives and modernization programs.
• Design semantic models and contribute to ontology and knowledge graph initiatives.
• Support AI initiatives by advising on retrieval architectures, vector search, graph-based approaches, and hybrid retrieval patterns.
• Define and promote entity resolution standards, master data, and reference data strategies.
• Facilitate architecture workshops, modelling sessions, governance reviews, and design assessments.
• Ensure privacy, security, and governance principles are incorporated into all architectural decisions.
• Provide technical leadership and architectural guidance to Data Engineers and Analytics Engineers.

Skills

Data modelling

Dimensional modelling

Data Vault

Lakehouse

Data contracts

Streaming

CDC

API integration

Batch processing

Databricks

Unity Catalog

Azure Data Services

Data governance

Data quality

Metadata management

Data lineage

Data integration

Job description

GBT Solutions is seeking a Data Architect to lead the data architecture for multiple domains in Porto/ Gaia with hybrid in-office days. You will define conceptual/logical/physical models, shape the enterprise data model, and drive Lakehouse standards to support analytics, AI, and digital services.

Ideal candidates have strong experience in data modelling, Data Vault, Databricks, and data governance. Collaboration with Enterprise Architecture and data teams is essential.