Data Architect - Databricks

About the project

The project focuses on one of the largest data warehouse platforms within the Lufthansa Group. The platform collects and processes data related to bookings, tickets, journeys, customers, B2B contracts, loyalty programmes and flight schedules.

As part of the modernization journey, the team is migrating from Teradata to Databricks and building a modern, scalable data platform. This role offers the opportunity to influence architectural decisions, shape future data solutions and work with complex data ecosystems in an international environment.

The team works according to Agile principles, with a strong emphasis on collaboration, knowledge sharing and continuous development.

Responsibilities

• Translate business requirements into scalable and sustainable data solutions.
• Design data architectures, data models and integration patterns supporting current and future business needs.
• Support architectural decision-making and provide technical guidance to the development team.
• Support the migration from Teradata to Databricks by analyzing current solutions and recommending improvements as part of the organization's data platform modernization journey.
• Design, develop and improve data processing solutions, integrations and data pipelines in collaboration with the DWH Product Owner.
• Collaborate closely with business stakeholders to define requirements, validate solutions and prepare Proofs of Concept.
• Ensure solution quality, performance, scalability and maintainability.
• Prepare technical documentation, effort estimations and architectural recommendations.
• Continuously improve technical standards, best practices and knowledge within the team.

Requirements

• 5+ years of professional experience in Data Engineering, Data Architecture or Data Warehousing.
• Strong experience with SQL and database procedural languages, such as T-SQL and PL/SQL.
• Experience designing and implementing scalable data solutions and architectures.
• Hands-on experience with Databricks and modern data platforms.
• Good knowledge of PySpark and Python, including Pandas and NumPy.
• Experience in database optimization, performance tuning, partitioning and index/statistics management.
• Understanding of data modelling principles and data integration patterns.
• Experience with version control systems, such as Git.
• Strong ownership and commitment to delivering high-quality solutions.
• Motivation to learn, grow and make a meaningful impact on the team and products.
• Genuine interest in data engineering, with a proactive approach to exploring new technologies and improving existing solutions.
• Good command of spoken and written English (B2/C1).
• Strong analytical, problem-solving and communication skills.
• Experience with cloud-based data platforms.
• Availability to work from the Gdańsk office 2 days per week.

Nice to have

• Experience with large-scale data migration projects.
• Knowledge of Teradata.
• Knowledge of Unix/Linux systems.
• Familiarity with Agile/Scrum methodologies.
• Experience with Data Governance or Data Quality frameworks.
• Experience creating functional documentation.
• Good command of spoken and written Polish.

What we offer

• International working environment and an atmosphere that stimulates development.
• Individual career path.
• Stable employment under an employment contract.
• Salary in the range of 14–25,000 zł gross for the Data Architect position.
• Lufthansa Group membership benefits.
• Flexible working time and place adjusted to employee needs, with the possibility of starting the workday between 07:00 and 11:00.
• Support for sports activities within the local activity group and co-financing of Multisport cards.
• Private medical care for employees and family members.
• Life insurance.
• Parking space for employees.
• Extra social benefits.
• Holiday funds.
• Contribution toward children's holidays.
• Contribution toward commuting costs.
• Modern office in Oliwa with a convenient location and comfortable workspace.