Senior Software Engineer (Data Platform)

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.

As a Senior Software Engineer, you’ll take the lead in designing and building the bank’s core data systems—everything from ingestion and processing to storage and sharing. Your work will shape scalable, high‑performance data architectures and robust ETL/ELT pipelines that keep information flowing reliably across the organization. You’ll collaborate closely with analysts, engineers, and business teams to deliver high‑quality, secure, and well‑monitored data solutions that support critical banking processes. Operating in a cross‑functional Agile environment, you’ll drive technical improvements, solve complex challenges, and play a key role in advancing the bank’s data capabilities across the Pan‑Baltic region.

How You Will Make an Impact:

• Design, implement, and continuously improve systems for data ingestion, processing, storage, and sharing
• Build and optimize data architectures for performance, scalability, and reliability
• Develop and maintain ETL/ELT pipelines using modern tools and frameworks
• Ensure seamless system integration and data synchronization across domains
• Uphold high standards of data quality, security, availability, and performance
• Collaborate with analysts, software engineers, and business stakeholders to understand data needs and deliver solutions
• Perform code reviews, troubleshoot software, and fix defects
• Implement monitoring and alerting for data workflows
• Gain expertise in a variety of banking processes and products
• Work as part of a cross-functional Agile development team in a Pan-Baltic, international environment

• Proven experience with SQL and Python or Java
• Hands-on experience with cloud platforms (AWS, Azure, or GCP)
• Experience with container orchestration tools (Kubernetes, Docker)
• Strong understanding of streaming data pipelines and platforms (Kafka, Spark, Flink)
• Familiarity with data pipeline tools like Airflow or dbt
• Experience with data warehousing solutions (Snowflake, BigQuery, Redshift, Databricks)
• Knowledge of solution integrations (real-time, message-based, event-driven)
• Experience with both SQL and NoSQL databases
• Exposure to test automation and DevOps practices, including infrastructure as code and security best practices
• Experience within the customer business domain is a strong advantage
• 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

• 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
• Gross salary. 5,340 - 8,000 EUR/month, which is to be determined depending on your level of experience and competencies