Data Modeler

ALTEN; Kraków; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Full-time contract (B2B also possible)

Equipment provided

Training and conferences

Opportunity to relocate within ALTEN P

Job summary

ALTEN Polska is seeking a skilled Data Modeller to design and maintain data models for an analytical data platform. You will work with data modelers, data architects, analysts and the delivery team to define data products and ensure data quality and governance.

You will design conceptual, logical and physical models, map sources to targets, and implement robust data integrity rules. Collaboration with architecture and engineering teams is essential to deliver scalable, high-value data solutions.

Qualifications

• Deep understanding of data modelling for operational and analytical systems.
• Experience with Data Vault 2.0, Star Schema, and 3NF modelling.
• Proficient in data profiling, data analysis on relational and semi-structured data (JSON, XML).
• Strong ability to elicit and translate requirements into scalable data models.
• Good understanding of data governance, quality standards and data protection.

Responsibilities

• Design and develop conceptual, logical and physical data models to meet business needs.
• Collaborate with stakeholders to gather requirements and translate into modelling solutions.
• Coordinate with data analysts and source system experts for data requirements.
• Ensure data mappings support performant, value-driven data products.
• Participate in architecture discussions to align with design standards.
• Keep up with emerging data technologies and trends.

Skills

Data modelling

Data governance

Data analysis

Stakeholder communication

Metadata management

Data quality

Requirements elicitation

Data integration

Tools

Python

Hadoop

Spark

AWS

Azure

Google Cloud

Job description

We are part of the ALTEN Group – a leading European provider of engineering and technology consulting servics.

Join ALTEN Polska and let’s grow together!

As a Data Modeller, you will be responsible for designing, and maintaining data models that will support one of organization’s analytical data platform. You will collaborate with other data modelers, data architects, data and business analysts and the delivery team to the design for data products.

The design work should contain data model definitions, source to target mappings, mapping to the abstract reference data models, data integrity checks and data quality rules design.

• Design and develop conceptual, logical and physical data models to support business requirements, operational and analytical needs.
• Collaborate with stakeholders and business analysts to gather requirements and translate them into data modelling solutions that meet business needs.
• Collaborate with Data Analysts and source system experts to gather all necessary information about data to be modelled.
• Work closely with data architects, data engineers to ensure that designed structure and underlying data transformation mappings allows development team to deliver data product of desired value and quality, ready for handful and performant consumption.
• Participate in design and architecture discussions to ensure alignment with data design standards and principles.
• Stay up to date with emerging data technologies, trends, and industry developments.
• Help to improve existing processes leading to better quality and higher automation.
• Data Modelling Expertise: You have a deep understanding of data modelling (for both operational and analytical systems), data analysis, metadata. You can elicit, document and verify requirements and translate them into scalable and efficient data models.
• Data Modelling Techniques: Experience in the implementation of Data Modelling approaches: Data Vault 2.0, Star Schema (multidimensional modelling), 3NF.
• Data Manipulation Skills: You have experience in performing data profiling and directed data analysis on top of relational data and hierarchical files (JSON, XML). You are capable of guiding data analyst to do the same.
• Communication with Impact: Your communication skills are strong, allowing you to effectively convey complex data modelling concepts to both technical and non-technical stakeholders. You can influence and align stakeholders in getting the required signoffs.
• Data Governance: You have a strong understanding of data governance principles and can establish and enforce data governance frameworks, data quality standards, and data protection measures.

Good to have:

• Experience in cloud data solutions (e.g., AWS, Azure, Google Cloud).
• Python hands-on
• Familiarity with big data technologies (e.g., Hadoop, Spark).
• Knowledge of banking industry topics and banking models (BIAN, FSDM, FIBO, SWIFT, BDW etc.) or experience in designing enterprise data models

We offer

• A full-time contract (B2B also possible)
• All necessary work equipment is provided by us (computer, monitor etc).
• Participation in company many conferences, trainings, workshops, integration meetings, etc.
• Certification and training opportunities
• Opportunity to relocate and work in different ALTEN Polska branches
• After completion of the project, opportunity to engage in a subsequent one within the company.
• Work in company with #GreatPlaceToWork Certificate
• Access to professional certifications with our technology partners (e.g. Google, ISTQB)