**About the Job** The Expert Back End Developer plans, develops, tests, and maintains software solutions. You will manage the technical design and the application development, including testing the developed software. This also includes support and consultation activities in the concept phase of the planned application. **Tasks** - Design, develop, and maintain high-performance server-side applications and APIs. - Collaborate with front-end developers and other team members to integrate user-facing elements with server-side logic. - Optimize applications for maximum speed and scalability. - Implement security and data protection measures to safeguard sensitive information. - Write clean, maintainable, and efficient code, following best practices in software development. - Conduct code reviews and provide constructive feedback to team members. - Troubleshoot and resolve issues in existing applications, ensuring minimal downtime. - Stay up-to-date with emerging technologies and industry trends to continuously improve development processes. - Utilize AI-driven tools and methodologies to enhance back-end functionality and Performance **Experience & Requirements** - Bachelor's degree in Computer Science, Engineering, or related field, or equivalent combination of education and experience - **7+ years of experience in Java development** with focus on mobile applications - **Strong proficiency in Spring Boot, Spring MVC, and Spring Security frameworks** - Experience with mobile application architecture and best practices - Knowledge of RESTful API design and implementation - Experience with database technologies (SQL and NoSQL databases) - Familiarity with messaging systems like Kafka for event-driven architectures - Experience with container technologies (Docker, Kubernetes) - Knowledge of CI/CD practices and tools - Experience with testing frameworks and methodologies - Strong problem-solving skills and attention to detail - Good English communication