Senior Full-Stack (Kotlin) Engineer with German

Start: ASAP

Long-term (min. 12 months)

Model: Hybrid / Remote + possible client visits

Project: Financial industry (DACH)

Project Overview

You will join VM.PL to develop a mature, multi-module premium financial platform used by institutions in the wealth management sector. The solution serves as a Financial CRM / advisory system / client portal, supporting advisory processes, end-client interactions, and formal business workflows related to documentation.

The platform has been developed for several years within a unified Java/Kotlin ecosystem, based on a modern cloud-native architecture, with no legacy components. The project follows an end-to-end Kotlin approach (backend + UI built with Vaadin) and includes dynamic document generation (Word, Excel, PowerPoint) using the Aspose (Java) library as part of advisory processes. The cooperation is long-term, with a clearly defined roadmap and a fully equipped development environment.

Responsibilities

• 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

Requirements

• Relevant technical education or equivalent professional experience

• Minimum 5 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

• Experience with Vaadin or other component-based UI libraries

• Experience with Aspose or other document generation tools (Word / Excel / PDF)

• 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 min. B2 (mandatory)

• Polish language proficiency at min. B1

• Nice-to-have:

  • Experience with jOOQ

  • Knowledge of cloud-native architectures and reactive processing models

  • Experience in multitenant or on-premise projects in the financial sector

We offer

• Long-term cooperation - minimum 12 months, with a high probability of extension.

• Remote work with occasional visits to the Wrocław office and client (Germany) - flexibility with the option (and sometimes need) for onsite collaboration.

• Transparent communication and a flat structure -quick access to decision-makers.

• Individual development path - training budget, external courses, knowledge-sharing sessions.

• A supportive, close-knit team focused on openness, trust, and partnership.

• Engaging projects - solutions in e-learning, energy, finance, manufacturing, logistics.

• International teams and clients - active use of English and/or German in real project settings.

• Language classes - English and German lessons funded by the company (all levels, incl. native speakers).

• Benefits package -LuxMed healthcare, Unum life insurance, Multisport card.

• Well-being & integration - team meetings, internal initiatives, squash/badminton groups, and daily activities that build relationships.