senior backend developer [bet_06]
Sep 6, 2026 · Quality & Reliability
What you'll do
- Architect, develop, and maintain Java-based services using Spring Boot and related frameworks
- Implement scalable and modular solutions including reusable libraries and modules
- Write clean, efficient, and secure code following best practices
- Enforce peer code reviews and pull request checks to maintain code quality and security
- Integrate with tools for continuous code quality checks and vulnerability identification
- Collaborate on database strategies for Oracle and Postgres including query optimization
- Use analysis tools to refine queries and create indices for high performance
- Manage database schema changes minimizing downtime and maintaining data integrity
- Leverage AI tools to automate repetitive tasks such as code generation and documentation
- Contribute to knowledge base applying best practices
- Implement unit tests using JUnit and Mockito adhering to TDD principles
- Ensure smooth integration of automated tests in CI/CD pipelines
- Support and mentor Front-End developers expanding to Back-End skills
- Participate in daily stand-ups, retrospectives, and knowledge-sharing sessions
- Coordinate product releases ensuring alignment with security and compliance standards
- Troubleshoot and resolve technical issues to maintain system reliability
Key requirements
- 7+ years' experience
- Java 11 or 17+ with Spring Boot including Spring Data and Spring Security
- SQL with Oracle or Postgres including query optimization and indexing techniques
- ORM frameworks such as JPA/Hibernate
- Testing frameworks JUnit and Mockito with TDD principles
- Version Control using Git and Build Tools like Maven
- Object-Oriented Design and Design Patterns
- AI-driven automation tools
- CI/CD pipelines and code review processes
- Database schema management and security best practices
- Computer Sciencepreferred
Benefits
- Attractive salary package, health insurance and compilation plan from day one, involvement in innovative projects, training vouchers for tech and soft skills development, team bonding events like Happy Fridays, bowling sessions, and running events.
About the job
We are seeking motivated and talented professionals to join our highly skilled teams. As a Senior Back End Developer at Q&R S.A., you will be responsible for designing, developing, and maintaining high-quality backend services for large-scale enterprise projects. You will collaborate with cross-functional teams (e.g., Front-End, BA-QA) and leverage modern development practices such as AI-driven automation to streamline workflows, enhance code quality, and deliver robust solutions efficiently.
Key Responsibilities:
Architect, develop, and maintain Java-based services using Spring Boot and related frameworks.
Implement scalable and modular solutions, including reusable libraries/modules for various business needs
Write clean, efficient, and secure code following best practices and organizational standards.
Enforce peer code reviews and pull request checks to ensure clean, maintainable, and secure code
Integrate with tools (e.g., SonarCube) for continuous code quality checks, monitoring technical debt, and identifying vulnerabilities
Collaborate on effective database strategies (e.g., Oracle, Postgres) for query optimization
Use database-specific analysis tools to refine queries, create indices, and ensure high performance
Manage schema changes following best practices to minimize downtime and maintain data integrity
Leverage AI tools to automate repetitive tasks (e.g., code generation, technical documentation)
Contribute to a growing knowledge base (e.g., Confluence), applying best practices where relevant
Implement unit tests (e.g., JUnit, Mockito) for critical workflows, adhering to TDD principles
Ensure smooth integration of automated tests in CI/CD pipelines to detect and resolve issues early
Support Front-End developers interested in expanding to Back-End skills, providing guidance and mentorship
Participate in daily stand-ups, retrospectives, and knowledge-sharing sessions to foster a collaborative environment
Coordinate product releases with internal teams, ensuring alignment with security and compliance standards
Troubleshoot and resolve technical issues promptly to maintain high system reliability
Required Qualifications:
Bachelors degree in Computer Science or a related field (or equivalent professional experience)
7+ years of work experience in backend development with Java (11, 17+) and Spring Boot (including Spring Data, Spring Security), SQL (Oracle or Postgres) with proven query optimization and indexing techniques, ORM frameworks (JPA/Hibernate), Testing frameworks (JUnit, Mockito), Build Tools (e.g., Maven) and Version Control (Git), Object-Oriented Design, Design Patterns, and robust API design
Desired Qualifications:
Masters degree in Computer Science or a related field
Familiarity with Azure, AWS, or Google Cloud for scalable application deployment
Experience with Kafka, RabbitMQ, or similar technologies
Understanding of securing deployments, endpoint security, and ACMS
Exposure to AI-driven documentation or code generation tools
Agile or Scrum for iterative development
Exposure to TRIZ for structured problem-solving
Basic familiarity with ReactJS (or other frameworks) is a plus for broader collaboration
Knowledge of Jenkins, Bitbucket Pipelines, or similar automation pipelines
Personal Attributes:
Analytical Mindset: Strong problem-solving abilities and attention to detail
Team Player: Excellent communication and collaboration skills, including mentoring junior developers
Proactive & Organized: Ability to prioritize tasks and execute effectively under deadlines
Adaptability: Willingness to explore new technologies and approaches that improve overall project outcomes
Continuous Learner: Eagerness to leverage courses and certifications (including AI/LLM-focused) for professional growth
What is there for you
We want our people to be well compensated, so we offer an attractive salary package
Health is the most important asset, so we have you secured with a health insurance and compilation plan from day one
We are excited for challenges, so you are invited to take part in exciting, innovative projects that make a difference
We 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 skills
Most 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



