Data Engineer (Cards team)

Join us and get a once-in-a-lifetime opportunity to literally build a local banking champion!

Yes, you can! That's our attitude towards our work, ambitions, ideas, and relationships. We at Luminor believe that anyone has the potential to achieve big things and encourage everyone to achieve them, professionally and personally.

Whoever you are and whatever your role is, with Luminor, you will get a once-in-a-lifetime opportunity to build a local banking champion.

We are looking for a Data Engineer to join our Cards domain and help shape the future of payment and card data platforms at Luminor.

This role is for someone who enjoys solving complex data challenges at scale and wants to work with systems that power millions of card transactions, fraud prevention processes, digital payment journeys, and critical banking services across the Baltics.

You will play a key role in maintaining and evolving our Cards Data Warehouse while contributing to the migration of legacy solutions towards modern cloud-native and SaaS-based architectures. Working closely with engineers, analysts, product owners, and business stakeholders, you will help build reliable, secure, and scalable data solutions that support some of the bank's most business-critical products.

• Design, implement, and continuously improve data platforms, pipelines, and integrations supporting card issuing, card transactions, fraud monitoring, digital payments, and related banking products
• Build and optimize data architectures for performance, scalability, reliability, and regulatory compliance
• Develop and maintain ETL/ELT pipelines using modern tools and frameworks
• Maintain and enhance the existing Cards Data Warehouse, reporting solutions, and related data integrations, ensuring business continuity during the migration period
• Support the migration of data assets, ETL processes, reporting solutions, and integrations from legacy platforms to modern cloud-native and SaaS-based architectures
• Ensure seamless integration and synchronization across card processing systems, core banking platforms, fraud solutions, payment networks, and digital channels
• Uphold high standards of data quality, security, availability, performance, and PCI DSS compliance
• Collaborate with analysts, software engineers, product owners, risk, fraud, and business stakeholders to understand data needs and deliver solutions
• Perform code reviews, troubleshoot software, and fix defects
• Implement monitoring, alerting, and observability for data workflows and critical payment-related data flows
• Gain expertise in a variety of card and payment processes, including card issuing, transaction processing, fraud prevention, tokenization, reporting, and settlement
• Work as part of a cross-functional Agile development team in a Pan-Baltic, international environment

• 3-5+ years of experience in a Data Engineer position or a similar role; experience within the financial services, payments, or banking industry is considered a plus
• Proven experience with SQL and Python; experience with other ETL frameworks and data processing tools is a plus
• Experience with both SQL and NoSQL databases
• Experience supporting and evolving enterprise data warehouse solutions and reporting platforms
• Hands-on experience with cloud platforms (AWS, Azure, or GCP)
• Experience with container orchestration tools (Kubernetes, Docker)
• Understanding of streaming data pipelines and platforms (Kafka, Spark, Flink)
• Familiarity with data pipeline tools such as Airflow, dbt, or similar frameworks
• Experience with data warehousing solutions (Snowflake, BigQuery, Redshift, Synapse, or similar)
• Knowledge of solution integrations (real-time, message-based, and event-driven architectures)
• Exposure to test automation and DevOps practices, including Infrastructure as Code and security best practices
• Experience working with legacy systems and modern cloud-native platforms simultaneously during transformation or migration initiatives
• Ability to take ownership and drive initiatives independently
• Fluent English is required in spoken and written communication due to working on the Pan-Baltic level

Nice to have

• Experience within the cards, payments, fraud, risk, or finance domain is a strong advantage
• Understanding of card transaction processing, card issuing, fraud monitoring, tokenization, and PCI DSS requirements is considered a strong advantage

• Flexibility. Flexible working hours, Hybrid work, and the possibility to work from anywhere in the EU, Iceland, Switzerland, and the UK (in total 90 days per year)
• International teams. Teams that go outside Pan-Baltic borders, where people value challenging work together with good humor and having fun
• Culture. You’ll be joining a team where things move fast, ideas flow freely, and change is part of the everyday. It’s a dynamic environment that keeps you learning, growing, and never bored
• More vacation. Additional weeks of vacation are available to all employees who have been in the company for 1 year or more
• Volunteer time off. We care about giving back to society, therefore, you will get additional days off for volunteering purposes
• Paid leave. We are proud of our employees who are participating in military training. Therefore, Luminor offers 30 fully paid calendar days for military training every year
• Health benefits. A competitive benefits package in addition to your salary that includes health insurance after the first 3 months pass in all three Baltic states, as well as Health days in case of your absence due to sickness without a doctor's note needed
• Wellbeing. Access to tools and resources that help you feel good and be productive at work and in life
• Professional growth. Internal and external training programs, LinkedIn learning, workshops, conferences, online training, etc
• Special Offer for Luminor products & services. Enjoy special offers & pricing for products and services provided by Luminor