Full-Stack (JAVA/KOTLIN) Engineer with German (Regular/Senior)

You will join VM.PL to develop a mature, multi-module premium financial platform used by institutions in the wealth management sector. The platform is a Financial CRM, advisory system, and client portal supporting advisory processes, end-client interactions, and formal business workflows related to documentation. It has been developed for several years within a unified Java/Kotlin ecosystem, based on a modern cloud-native architecture, using an end-to-end Kotlin approach (backend and UI built with Vaadin), and includes dynamic document generation using the Aspose (Java) library.

• Relevant technical education or equivalent professional experience
• Minimum 3 years of experience in developing complex applications (financial projects are a plus)
• Very good knowledge of the Java technology stack and Kotlin
• Experience working with Spring Boot
• Openness to learn Kotlin and Vaadin if no prior experience
• Hands-on experience with relational databases
• Experience in building web applications (UI or backend-heavy)
• Independence, analytical thinking, and a strong focus on code quality
• German language proficiency at minimum B2 (mandatory)
• Polish language proficiency at minimum B1

Nice to have:

• Experience with Vaadin or other component-based UI libraries
• Experience with Aspose or other document generation tools (Word / Excel / PDF)
• Experience with jOOQ
• Knowledge of cloud-native architectures and reactive processing models
• Experience in multitenant or on-premise projects in the financial sector

• Develop and maintain a multi-module financial platform based on cloud-native architecture
• Implement business logic using Kotlin / Spring Boot
• Design and develop document generation mechanisms (Word / Excel / PowerPoint) using Aspose
• Work on advisory processes and workflows (onboarding, documents, contractual processes)
• Implement component-based UI in the Kotlin + Vaadin ecosystem (Web / Hybrid)
• Collaborate with Product Management, UX/UI, Design, and the solution architect
• Participate in the full development lifecycle: analysis, implementation, testing, documentation
• Ensure code quality through code reviews, unit tests, and CI
• Analyze technical issues and optimize and stabilize solutions