Data Modeler (Data Warehouse)

About the Position

Data Modeler (Data Warehouse) - contract, hybrid

Company: BrainSource Network

Location: Bucharest, Romania

Work Model: Hybrid

Rate: €30 - €37 / hour

Posted: 2026-07-02

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Responsibilities

• Translate inputs from business representatives into refined requirements, business terms, and conceptual models.
• Deliver top-tier data requirements, term definitions, and comprehensive Data Models (conceptual, logical, physical).
• Create precise source-to-requirements and source-to-target mappings.
• Generate the necessary documentation for shipping deployment packages to Data Lakes.
• Provide ongoing support to the Dev Team during the development phase and report on progress to stakeholders.
• Promote data model usage across the wider organization and maintain design standards for Data Lake components.
• Collaborate proactively with programmers, testers, and business users to identify and resolve issues.
• Provide essential training, documentation, and support for business users.

Requirements

• Experience: 3+ years of proven experience as a Data Modeler within a Data Warehouse or reporting environment.
• Core Knowledge: Strong understanding of DWH, data modeling, ETL processes, database design, and business intelligence.
• Technical Stack: Advanced Oracle PL/SQL skills, alongside knowledge of IBM's BDW models.
• Tools: Experience with data modelling methods and the IBM InfoSphere suite (or similar glossary/modelling tools).
• Domain Expertise: Understanding of banking processes, products (finance, risk, investments), and Data Mesh implementation.
• Education: University degree in Computer Science or a related field (equivalent experience considered).
• Soft Skills: Autonomous problem solver with excellent judgment. You must be persistent, communicative, and able to persuasively document and explain IT decisions to non-IT colleagues.
• Language: Good level of English alongside excellent didactical skills.

Nice to Have

• Experience working in Agile environments.
• Prior experience within the business area of financial institutions or data management organizations.
• Background as a Senior DWH Developer, Solution Designer, or Data Architect.
• Hands-on experience with Public Cloud solutions.

We Offer

• Competitive hourly rate of €30 - €37.
• Opportunity to work in a dynamic Fintech environment.
• Hybrid work model.
• Be part of a highly collaborative Technical Analyst & Modeler chapter of 20 members spread across 7 squads.

About the Company

BrainSource Network is a leading company in the AI & Data Science sector, providing innovative solutions in the fintech industry. We are committed to fostering a collaborative and inclusive work environment.

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