Data Engineer – Core Banking & Data Transformation

About the role

Join Luminor as a Data Engineer focused on Core Banking and Data Transformation. You will turn complex banking data into trusted, business‑ready solutions and work closely with stakeholders, analysts, architects, and engineers.

Key responsibilities

• Design and develop reliable data transformations and pipelines for banking, finance, reporting and analytics.
• Analyze data end‑to‑end from source systems through transformations to downstream consumers.
• Translate business requirements into data mappings, transformation rules, reconciliation logic and technical solutions.
• Develop and maintain Bronze, Silver and Gold data layers, ensuring quality and consistency.
• Investigate complex data issues across source systems, warehouses and reporting environments.
• Own the full engineering lifecycle from analysis and implementation to testing, deployment and production support.
• Collaborate with business stakeholders, analysts, architects and engineers to deliver scalable solutions.

Required profile

• Strong experience with SQL, Python, relational databases, data modelling and data warehousing.
• Good understanding of core banking data such as accounts, transactions, balances and GL accounting.
• Hands‑on experience building data transformations on cloud platforms, preferably AWS.
• Familiarity with Git, CI/CD, testing and deployment practices.
• Experience with Oracle / Oracle FLEXCUBE is a strong advantage.
• Knowledge of Databricks/Spark, Bronze‑Silver‑Gold architectures and BI/reporting environments is beneficial.
• Fluent English communication skills.

Required skills

• SQL
• Python
• Relational databases
• Data modelling
• Data warehousing
• ETL/ELT
• AWS
• Git
• CI/CD
• Testing and deployment
• Oracle
• Oracle FLEXCUBE
• Databricks
• Spark
• Bronze/Silver/Gold architecture
• BI/reporting tools

What we offer

• Gross salary €3,180‑€4,780 per month, based on experience.
• Flexible working hours, hybrid work and the possibility to work from anywhere in the EU, Iceland, Switzerland or the UK (up to 90 days per year).
• International Pan‑Baltic teams and a dynamic, fast‑moving culture.
• Additional vacation weeks after one year of service.
• Volunteer time off and 30 fully paid days for military training each year.
• Health insurance after three months and health days without a doctor’s note.
• Wellbeing resources, internal and external training programs, LinkedIn Learning, workshops and conferences.
• Special offers on Luminor products and services.