Mid Backend Developer

QUALITY & RELIABILITY S.A. (Q&R S.A.) is an international technology innovator, Great Place to work certified, with a broad portfolio of software products and services within the primary industry segments in which it operates.We are seeking motivated and talented professionals to join our highly skilled teams. As a Mid Back End Developer at Q&R S.A., you will work on designing, developing, and maintaining high-quality backend services for enterprise projects. You will collaborate with cross-functional teams (e.g., Front-End, BA-QA) and be exposed to modern practices such as AI-driven automation to improve development efficiency and code quality. This position offers a unique opportunity to further develop your backend expertise in a dynamic and innovative environment. Key Responsibilities:Develop & Maintain Java Services: Implement and optimize Spring Boot-based backend solutions, ensuring clean, secure, and efficient codeEnhance Code Quality & Performance: Contribute to reusable libraries, peer code reviews, automated quality checks (e.g., SonarQube), and database optimization (Oracle, Postgres)Testing & Documentation: Write and maintain unit tests (JUnit, Mockito), follow TDD principles, and document backend development for clarity and maintainabilityCollaboration & Agile Practices: Work closely with Front-End, QA, and senior developers, participate in stand-ups, retrospectives, and knowledge-sharing sessionsSupport & Troubleshooting: Assist in product releases, ensure compliance, and resolve backend issues to maintain smooth system operations.Required Qualifications:Bachelors degree in Computer Science or a related field (or equivalent professional experience)Minimum of 4 years in backend development with Java (11, 17+) and Spring Boot (including Spring Data, Spring Security), SQL (Oracle or Postgres) with basic query optimization and indexing, ORM frameworks (JPA/Hibernate), Testing frameworks (JUnit, Mockito), Build Tools (Maven) and Version Control (Git), Object-Oriented Design (OOD), Design Patterns, and familiarity with TDD practicesDesired Qualifications:Masters degree in Computer Science or a related fieldFamiliarity with Azure, AWS, or Google Cloud environmentsExperience with RabbitMQ, Kafka, or similar middlewareAwareness of endpoint security and deployment best practices (e.g., ACMS)Exposure to AI-driven documentation or code generation toolsUnderstanding of Agile or Scrum workflowsBasic familiarity with TRIZ for structured problem-solvingExperience with Jenkins, Bitbucket Pipelines, or similar CI/CD toolsBasic familiarity with ReactJS (or similar front-end frameworks) is a plus. Personal Attributes:Team Oriented: Strong communication and collaboration skills, open to feedback and learning from peersProblem Solver: Analytical thinking with attention to detail and a drive for continuous improvementOrganized & Methodical: Ability to manage tasks effectively, adhering to deadlines and project milestonesAdaptable: Willingness to embrace new technologies and best practices to improve outcomesGrowth Mindset: Eagerness to expand skill set, including AI/LLM-focused learning and certificationsWhat is there for youWe want our people to be well compensated, so we offer an attractive salary packageHealth is the most important asset, so we have you secured with a health insurance and compilation plan from day oneWe are excited for challenges, so you are invited to take part in exciting, innovative projects that make a differenceWe never stop learning and evolving We encourage our people to follow the pace by providing them voucher for Training Courses, so that they adapt new tech skills and develop their soft skillsMost important, we work as a team, so we gather on a smaller and bigger occasions to celebrate good times together Happy Fridays, bowling sessions, running events and everything that help us have fun and enjoy working to our team