Q

Qualysoft

Builds business software and manages IT projects

Java Backend Developer

Backend EngineeringConfirmed live in the last 24 hours
Full-timeBucharest, Romania

About the Job

Requirements

  • 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.

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.

Desired Qualifications

  • 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.

About the Company

Qualysoft

Builds business software and manages IT projects

Qualysoft is an international IT consulting and software engineering company serving enterprises and public-sector organisations. Its work spans business applications, Microsoft cloud systems, custom software, data and analytics, artificial intelligence, testing and digital tax administration. Clients engage the company for individual specialists, dedicated engineering teams or managed projects in which Qualysoft takes responsibility from requirements and design through delivery and maintenance. The group operates through European locations and an Indonesian centre of excellence, supporting projects across several industries. Founded in 1999, Qualysoft is headquartered in Vienna, Austria.

Company size
501-1,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Vienna, Austria
Founded
1999

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