Java Backend Developer (Spring & Maven) job opportunity at Qualco Group.

Home Jobs In Greece Tag: Job Java Backend Developer (Spring & Maven) position at Qualco Group


Date2026-01-29T16:13:38.961Z bot
Qualco Group Java Backend Developer (Spring & Maven)
Experience: Highly Experienced
Pattern: full-time
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loacation Athens, Greece
loacation Athens....Greece

We are Qualco Group, a leading fintech organisation with over 25 years of experience delivering innovative technology solutions to banks and financial institutions. Serving clients in over 30 countries, we leverage advanced technologies, such as AI and analytics, to develop proprietary software and platforms that accelerate digital transformation and generate lasting value for businesses, society, and the broader economy.   Qualco Group is a Greek technology organisation listed on the Athens Stock Exchange, with a growing footprint in defence, security, civil protection, and critical infrastructure operations. Through its specialised in-house R&D department, the Applied Research & Technology Centre, the Group develops advanced, dual-use solutions and products and provides services powered by Artificial Intelligence, Machine Learning, multi-sensor fusion, and cloud-to-edge architectures.Our mission is to deliver modular, scalable, and mission-ready platforms that support real-time decision-making, autonomous systems, common operational picture and situational awareness, and operational continuity across air, land, sea, and urban environments. Built on robust data architectures and interoperability standards, our solutions integrate with existing systems and evolve alongside operational needs. We are looking for a skilled Java Backend Developer to design and develop robust Java applications, mainly working on multi-module monoliths while having some familiarity with microservices architectures. You will ensure clean, maintainable code and collaborate closely with frontend teams. Key Responsibilities: Develop high-performance REST APIs using Java and Spring Boot; Build and manage dependencies with Maven; Work on multi-module monoliths with design patterns that allow smooth evolution towards microservices; Collaborate with frontend teams (e.g., Angular) for seamless integration; Use Git-based version control for code management and reviews; Participate in architectural discussions with future scalability in mind; Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy. 3+ years of experience with Java and Spring Framework (Data, Security); Strong knowledge of Maven; Experience with relational databases (e.g., PostgreSQL, MSSQL); Familiarity with Git workflows (GitHub, GitLab, etc.); Understanding of Clean Code principles and Unit Testing; Basic understanding of microservices concepts (optional but desirable); Highly proficient in both spoken and written English. Desirable Skills: Experience with GeoTools or GIS data processing; Knowledge of spatial databases (e.g., PostGIS); Familiarity with OGC standards (WMS, WFS).

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