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Java Backend Developer

Qualysoft · IT Consulting & Digital Transformation · IT Outsourcing & Dedicated Teams · Java · SQL · 5 days ago
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Location
Remote (Romania)
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 7, 2026. First seen by Alion on Nov 2, 2026. Qualysoft scores B on the Alion truth index.

Overview
Company
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Profile match

Qualysoft

Qualysoft is an IT services and software engineering company headquartered in Vienna, Austria. Founded in 1999, it provides custom software development, quality assurance and test automation, IT consulting and dedicated development teams, with much of its work done for banking, insurance and telecom clients. It runs delivery centres in Budapest and Bucharest as well as offices in Austria and Germany, and hires Java developers, QA automation engineers, system administrators and solution architects.
qualysoft.com · HQ: Vienna, Austria · IT Outsourcing & Dedicated Teams · Custom Software Development · IT Consulting & Digital Transformation · 201-500 employees · Est. 1999
Tech stack of Qualysoft

Responsibilities

    • Design, develop, and maintain scalable backend applications using Java 21 and Spring Boot.
    • Develop and integrate REST and SOAP APIs to enable communication between internal and external systems.
    • Implement and maintain event-driven architectures using Apache Kafka for asynchronous communication between services.
    • Work with SQL databases, including database design, query optimization, and data persistence.
    • Develop and maintain automated integration tests using TestContainers to ensure application reliability and quality.
    • Troubleshoot, debug, and optimize backend applications to improve performance, stability, and scalability.
    • Collaborate with cross-functional teams, including developers, QA engineers, and business analysts, to deliver reliable software solutions.
    • Participate in code reviews, technical discussions, and continuous improvement of development practices.
    • Contribute to application deployment, monitoring, and maintenance in containerized environments.

Qualifications

    • Design, develop, and maintain scalable backend applications using Java 21 and Spring Boot.
    • Develop and integrate REST and SOAP APIs to enable communication between internal and external systems.
    • Implement and maintain event-driven architectures using Apache Kafka for asynchronous communication between services.
    • Work with SQL databases, including database design, query optimization, and data persistence.
    • Develop and maintain automated integration tests using TestContainers to ensure application reliability and quality.
    • Troubleshoot, debug, and optimize backend applications to improve performance, stability, and scalability.
    • Collaborate with cross-functional teams, including developers, QA engineers, and business analysts, to deliver reliable software solutions.
    • Participate in code reviews, technical discussions, and continuous improvement of development practices.
    • Contribute to application deployment, monitoring, and maintenance in containerized environments.

Nice to have

    • Hands-on experience with OpenShift or Kubernetes for container orchestration and application deployment.
    • Previous experience in banking or financial services, particularly with banking system integrations.
    • Understanding of transaction processing, data consistency, and secure communication between financial systems.
    • Familiarity with Docker and cloud-native application development.
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