[Hiring] Principal Java/Spring Boot Developer @Confiz

Role Description

Confiz is looking for an experienced Java professional with strong expertise in building scalable, secure, and high-performance applications. The ideal candidate will have hands-on experience with modern backend technologies, microservices architecture, and cloud-based deployments, along with a solid understanding of software design principles and best practices.

• Design, develop, and maintain secure, scalable applications using Java and Spring Boot.
• Implement robust RESTful APIs, SOAP APIs, and microservices for seamless integration with other services.
• Work with JSON and XML for data interchange between services.
• Handle data serialization and deserialization effectively.
• Apply design patterns and architectural best practices to build efficient, maintainable code.
• Conduct system and component design reviews to ensure compliance with standards and best practices.
• Implement and manage encryption/decryption mechanisms to ensure data security and compliance.
• Ensure secure communication protocols and data storage using standards such as AES, RSA, and TLS.
• Oversee production deployments, ensuring zero downtime and robust rollback mechanisms.
• Monitor applications post-deployment, troubleshoot issues, and improve system stability.
• Establish and manage CI/CD pipelines using tools such as Jenkins, GitLab CI, or GitHub Actions.
• Ensure smooth deployment workflows with automated testing and configuration management.
• Develop database schemas, write optimized queries, and manage integrations with relational databases such as MySQL, PostgreSQL, or Oracle.
• Experience with NoSQL databases such as MongoDB, Cassandra, or Redis is a plus.
• Demonstrate deep understanding of HTTP and HTTPS protocols and secure communication standards.
• Work with HTTP methods (GET, POST, PUT, DELETE) and status codes.
• Implement unit, integration, and functional testing using frameworks such as JUnit and Mockito.
• Write and maintain comprehensive test cases to ensure code quality and functionality.
• Collaborate with cross-functional teams including Product, DevOps, and QA to achieve project goals.
• Mentor junior developers and promote best practices in code quality, documentation, and testing.

Qualifications

• Strong communication skills with fluency in English
• Bachelor’s degree in Computer Science or related discipline
• 5+ years of experience
• Strong expertise in Java (preferably Java 11 or later)
• Advanced knowledge of Spring Boot, Spring Data, Spring Security, and Spring Cloud
• Deep understanding of design patterns (e.g., Singleton, Factory, Observer)
• Proven experience in microservices architecture
• Hands-on experience with RESTful and SOAP APIs
• Proficiency in JSON and XML
• Strong understanding of HTTP/HTTPS and secure communication
• Experience with encryption/decryption (AES, RSA, TLS)
• Proficiency in Jenkins, GitLab CI, or GitHub Actions
• Experience with MySQL, PostgreSQL, and familiarity with MongoDB, Redis
• Experience with Git, JIRA, Confluence or similar tools
• Experience with JUnit, Mockito, or similar frameworks
• Experience with AWS is highly desirable

Preferred Qualifications

• Experience with containerization tools such as Docker
• Familiarity with orchestration tools like Kubernetes
• Exposure to Agile/Scrum methodologies

Benefits

• Focus on processes and culture
• ISO 9001:2015 (QMS), ISO 27001:2022 (ISMS), ISO 20000-1:2018 (ITSM), and ISO 14001:2015 (EMS) Certified
• Vibrant culture of learning via collaboration
• Work with cutting-edge technologies
• Contribute to the success of the company and personal growth