Senior Kotlin Backend Engineer (m/f/d)

About the Role

• Design, develop, and maintain backend services using Kotlin

• Build and evolve scalable, event-driven systems that process, validate, and expose financial data

• Own features end-to-end: from technical design and implementation to testing, deployment, monitoring, and ongoing maintenance

• Collaborate closely with the Product Owner and Finance stakeholders to translate business requirements into robust technical solutions

• Ensure data accuracy, traceability, and auditability across financial and accounting flows

• Improve system reliability, observability, and performance for business-critical processes

• Contribute to clean code, architectural discussions, and continuous improvement of engineering practices

About You

• 5 years of experience as a Software Engineer working with Kotlin

• Hands-on experience building backend services using the Spring ecosystem (e.g. Spring Boot, Spring Data)

• Experience with event-driven design (e.g. asynchronous processing, messaging, domain events)

• Practical experience with cloud platforms (preferably AWS, or similar)

• Solid understanding of databases, both NoSQL (e.g. DynamoDB) and/or relational systems

• Comfortable working in complex, data-heavy domains (ideally Finance), where investigation, analysis, and precision are key

• Communicate clearly in English, open-minded, curious, and motivated to continuously improve both yourself and the systems you work on