Java Developer

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Java Developer to join our UniQue team. What will you be doing in this role?

• Design, develop, and maintain high-quality Java-based applications and services.
• Contribute to the implementation of microservices and distributed systems.
• Collaborate with architects and technical leads to implement defined architectures and technical solutions.
• Develop and maintain RESTful and/or SOAP APIs.
• Implement integrations with external systems using web services and messaging technologies.
• Participate in data analysis and contribute to data modelling activities.
• Write clean, maintainable, and efficient code following best practices and coding standards.
• Develop and execute unit and integration tests.
• Contribute to automated testing and CI/CD pipelines.
• Troubleshoot, debug, and optimize application performance.
• Participate in code reviews and provide constructive feedback.
• Support deployment, release management, and environment configuration.
• Participate in Agile ceremonies, technical discussions, and team meetings.
• Contribute to technical documentation and user support when needed.

• Master's degree in IT with minimum 9 years of professional experience (or Bachelor's degree with minimum 13 years of experience).
• At least 5 years of experience as a java developer.
• Strong experience in Java (JEE / Spring ecosystem).
• Good knowledge of object-oriented design and common design patterns.
• Experience with RESTful APIs and/or SOAP web services.
• Good understanding of microservices architectures.
• Experience with message brokers and event-driven systems (Kafka, JMS).
• Solid knowledge of relational databases and SQL.
• Experience with integration technologies (Apache etc.) and web services.
• Good understanding of HTTP protocol and API design principles.
• Experience with automated testing frameworks (e.g., JUnit, Mockito).
• Familiarity with Docker and containerized environments
• Familiarity with CI/CD tools and pipelines
• Basic understanding of gRPC and Protobuf.
• Knowledge of web security principles (OAuth2, OpenID Connect).
• Nice to have certifications: Certified DevSecOps Professional (CDP) certification, AWS Certified Solutions Architect or Certified Kubernetes Application Developer (CKAD).
• Advanced English (C1) communication skills (written and spoken) and French skills (C1) will be considered an asset.