Data Architect
Hybrid•Full-time•Sofia, Bulgaria (51 "Cherni vrah" Blvd., 1407, Office X Business Garden - Building 4)
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Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery.
With 150+ data engineers and over 20 years of experience, we help startups and enterprises turn data into smart decisions and better user experiences. Our teams work with Python, Java, Scala, and R to build scalable data pipelines and infrastructure that power real results.
What you'll do
- Design, own, and govern data models across the Bronze, Silver, and Gold layers of a modern Medallion Architecture
- Define and enforce data modelling standards, including Star Schema, Data Vault, and hybrid approaches where appropriate
- Lead the design of scalable semantic and Gold-layer models supporting BI, analytics, and product-driven use cases
- Evaluate and implement best-practice data modelling patterns in DBT to ensure maintainability, reusability, and scalability
- Own entity relationship modelling and ensure consistency of core business entities across the data platform
- Create and maintain data architecture blueprints, platform documentation, and end-to-end data flow diagrams
- Establish and drive data governance standards, including naming conventions, data classification, metadata management, and lineage
- Partner with engineering teams to ensure architectural decisions are practical, efficient, and aligned with business goals
- Assess new data sources and define optimal ingestion, transformation, and modelling strategies
- Champion data quality initiatives and act as a key reviewer for major platform and data model changes
- Collaborate closely with Data Analysts, BI teams, Product Managers, and business stakeholders to understand data consumption needs
- Translate complex business requirements into robust and scalable data models
- Present architectural decisions and recommendations to both technical and non-technical audiences
- Mentor and guide engineers on data architecture and modelling best practices
- Ensure data models accurately represent real-world business processes across operational systems such as CRM, payment processing, access control, and analytics platforms
What you bring
- 6+ years of experience in Data Architecture, Data Engineering, or related data platform roles
- Strong expertise in data modelling, dimensional modelling, and modern data warehousing concepts
- Hands-on experience with Databricks, DBT, Azure, SQL, Python, and GitHub
- Proven experience designing scalable data platforms and analytics architectures
- Deep understanding of Medallion Architecture and best practices for data lakehouse environments
- Strong knowledge of data governance, metadata management, lineage, and data quality frameworks
- Experience translating business requirements into technical data solutions
- Excellent stakeholder management and communication skills, with the ability to explain complex technical concepts to diverse audiences
- Experience mentoring engineers and driving architectural standards across teams
- Strong analytical and problem-solving skills with a pragmatic approach to decision-making
- Upper-Intermediate English (B2+) or higher
What you'll get
- EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
- Licenses for AI tools: GitHub Copilot, Cursor, and others
- Private health insurance (medical and dental care services included)
- 25 paid working days/year for work-life balance
- Support for the significant events in your life
- Access to the Multisport program for a healthy lifestyle
- Referral bonuses for bringing in new talent
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