Senior Java Backend Engineer job opportunity at Qualco Group.

Home Jobs In Greece Tag: Job Senior Java Backend Engineer position at Qualco Group


Date2025-11-19T09:24:46.088Z bot
Qualco Group Senior Java Backend Engineer
Experience: 5-years
Pattern: Full-time
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loacation Athens, Greece
loacation Athens....Greece

At Quento Technologies S.A., the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth. At QuentoTechnologies S.A. we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Our high-performing, dynamic, and collaborative environment fosters professional growth at every stage. Quento Technologies S.A. seeks a highly motivated and experienced Senior Java Backend Engineer to join our team and help us build reliable, scalable backend services. You will work with modern Java technologies, cloud-native tools, and distributed systems. Your responsibilities will entail: Develop backend services using Java 17+ and Spring Boot; Build and maintain REST and gRPC APIs; Develop cloud-native applications on Azure , including deployments on AKS (Kubernetes); Work with SQL and NoSQL databases; Use Kafka for asynchronous messaging; Implement caching solutions such as Redis; Create and maintain unit tests; Use Docker and CI/CD pipelines for building and deploying services; Troubleshoot and improve performance of existing services; 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. 3–5+ years of experience in backend development; Strong knowledge of Java (17+) and Spring Boot; Experience with Azure and Kubernetes/AKS; Good understanding of REST and gRPC; Experience with both SQL and NoSQL databases; Hands-on experience with Kafka or similar messaging systems; Experience with Docker and CI/CD pipelines; Familiarity with caching tools like Redis; Good problem-solving and communication skills.

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