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Full-Stack (JAVA/KOTLIN) Engineer with German… - Jobeax

Full-Stack (JAVA/KOTLIN) Engineer with German (Regular/Senior) w Wrocław, Polska is listed on Jobeax. Browse 120,000+ vacancies available.

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

Kotlin Java German

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

Development

Start: ASAP | Full-time | Long-term (min. 12 months)
Model: Hybrid / Remote + possible client visits
Project: Financial industry (DACH)

Project Overview

Join https://jobeax.com/link/z0pjdfNjViVMhL5C and become part of a team developing a mature, enterprise-grade financial platform used by institutions operating in the Wealth Management sector. The solution serves as a Financial CRM, advisory system, and client portal , supporting financial advisors, end clients, and business processes related to documentation and customer management.

The platform has been continuously developed for many years as a stable, business-critical product. It is based on a monolithic architecture with a reactive data model . Your day-to-day work will focus primarily on enhancing the application layer, customizing existing functionalities, debugging complex business processes, and maintaining high-quality solutions. This role is ideal for engineers who enjoy working with an established product, understanding existing architecture, and continuously improving it rather than building greenfield microservices.

Responsibilities

Develop and maintain a financial platform used by Wealth Management institutions.
Enhance and customize existing business functionalities.
Work primarily on the frontend layer (approximately 70%) using Kotlin UI and modern web technologies.
Build and modify UI components and layouts using CSS and Kotlin .
Analyze, troubleshoot, and debug applications built with Java and Kotlin.
Develop business logic and work with the platform's reactive data model.
Contribute to backend development (approximately 20–30%), including REST integrations.
Collaborate closely with the Product Owner, Solution Architect, and development team.
Investigate issues, fix defects, and improve application stability.
Perform manual testing of implemented features when required.

Requirements

At least 3 years of commercial experience as a Java /Kotlin Developer or Full Stack Developer.
Strong knowledge of Java and Kotlin .
Experience in web application development.
Strong knowledge of CSS and HTML .
Practical experience with JavaScript , or willingness to work with Kotlin UI as an alternative to JavaScript.
Solid debugging skills in Java /Kotlin applications and the ability to analyze existing codebases.
Experience working with Git .
Knowledge of the Spring Framework .
Strong analytical thinking and ability to work independently.
German language proficiency (minimum B2) – mandatory.
Polish language proficiency (minimum B1) .

Nice to Have

Experience with Vaadin .
Experience developing Full Stack Kotlin applications.
Experience in the banking or financial sector .
Experience with Wealth Management solutions.
Knowledge of reactive data models .
Experience working with monolithic enterprise applications .
Experience with Spring Boot .
Experience with jOOQ .
Experience with Aspose or similar document generation libraries (Word, Excel, PDF).

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 — 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.

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