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Data & AI Architect Principal

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Plusnet

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Location:
Hungary , Budapest

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Category:
IT - Software Development

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Contract Type:
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Salary:

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Job Description:

The Data and AI Architect Principal is central to BT International's ability to compete in an increasingly data and AI-driven market. This role owns the architectural vision for data platforms and AI capabilities that directly impact business intelligence, operational efficiency and product innovation. This architect ensures every data and AI architectural decision drives business value and enables product velocity. This position leads data platform modernization, establishes MLOps practices and collaborates with senior stakeholders. By aligning data and AI architecture with business imperatives and group strategy, the role ensures BT International remains competitive, agile and customer-focused in a rapidly evolving global landscape.

Job Responsibility:

  • Define and lead data and AI platform architecture strategy, establishing patterns that balance functional requirements with non-functional requirements including scalability, data quality, privacy and cost optimization
  • Work hand in hand with product engineering squads to establish data generation patterns, working directly with engineers to build data-informed products and AI capabilities
  • Drive architectural strategy for making data available across the organization through self-service data products, APIs and governed data access patterns
  • Lead the technical vision for AI capabilities distinguishing between machine learning for pattern recognition and agentic AI for autonomous task execution, establishing platform foundations for both
  • Champion data mesh principles where appropriate, enabling domain teams to own their data as products while maintaining consistency through federated governance
  • Establish MLOps practices and platforms that enable product teams to train, deploy and monitor machine learning models with the same velocity as application code
  • Collaborate with IT Systems and NaaS architects to ensure telemetry, network data and business systems generate high-quality data with proper lineage and governance
  • Work across multi-vendor environments including cloud data platforms, on-premise data systems and SaaS analytics tools to establish cohesive data architecture
  • Drive architectural governance for data and AI work ensuring solutions follow platform patterns for data quality, model governance and AI safety
  • Provide technical thought leadership on emerging data and AI technologies, evaluating applicability and translating possibilities into roadmaps aligned with BT International's platform strategy
  • Mentor architects and engineers, fostering architectural thinking and technical leadership capability across both the architecture and product engineering organizations

Requirements:

  • Strategic Architecture Leadership – Proven ability to define data and AI platform vision with track record driving large-scale data transformation programs
  • Data Platform Architecture – Deep expertise in modern data platform design including data lakes, data warehouses, streaming architectures and data mesh patterns
  • AI/ML Architecture – Strong understanding of machine learning systems including feature engineering, model training, serving, monitoring and MLOps platforms
  • Agentic AI – Emerging expertise in agentic AI systems including LLM-based agents, tool use and reasoning frameworks for autonomous task execution
  • Technical Depth – Hands-on background with coding capability in data languages (Python, SQL, Spark), enabling credibility with engineering teams and participation in data work
  • Data Engineering Patterns – Strong understanding of ETL/ELT patterns, data quality frameworks, schema evolution and data lineage tracking
  • Cloud-Native Data – Experience with cloud data services and platforms across multi-vendor environments including data warehouses, data lakes and ML platforms
  • Platform Engineering Mindset – Ability to treat data and AI capabilities as platform products with clear service contracts and developer experience focus
What we offer:
  • Cafeteria package - HUF 600,000/ year
  • Performance-based bonus
  • Comprehensive private health care package for all the employees, which can be extended to family members
  • Nursery support for mothers returning from maternity
  • Extended paternity leave: 10+10 day fully paid days
  • Commuting allowance
  • Home office allowance
  • Employee discount opportunities
  • Highly affordable mobile packages for the family as well
  • New high-class offices both in Budapest and Debrecen
  • Wide-range of company and community programmes (including support for different sport activities)
  • Family-friendly culture

Additional Information:

Job Posted:
January 10, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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