Senior Kotlin Backend Engineer (m/f/d)

About This RoleAI processing…

Key Responsibilities

• 1
  Design, develop, and maintain backend services using Kotlin
• 2
  Build and evolve scalable, event-driven systems that process, validate, and expose financial data
• 3
  Own features end-to-end: from technical design and implementation to testing, deployment, monitoring, and ongoing maintenance
• 4
  Collaborate closely with the Product Owner and Finance stakeholders to translate business requirements into robust technical solutions
• 5
  Ensure data accuracy, traceability, and auditability across financial and accounting flows
• 6
  Improve system reliability, observability, and performance for business-critical processes
• 7
  Contribute to clean code, architectural discussions, and continuous improvement of engineering practices

Requirements

• 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

Perks & Benefits