Senior Java Backend Developer @ Diverse CG Sp. z o.o. Sp.k.

• Strong experience in Java 21 and Java-based application development


• Hands-on experience with Spring Boot and related Java frameworks


• Proven experience with relational databases and PostgreSQL SQL


• Practical experience with messaging technologies such as JMS, MQ, or similar protocols


• Strong proficiency in Java frameworks including Spring and Hibernate


• Knowledge of OpenAPI and AsyncAPI for producing and consuming data


• Familiarity with Git and CI/CD pipelines


• Understanding of software design patterns and object-oriented programming principles


• Ability to collaborate effectively with cross-functional stakeholders


• Strong analytical and problem-solving skills


• Very good command of English, both spoken and written

The consultant will be responsible for developing, enhancing and maintaining our Java-based applications that handle taxation, account management, and investment processing for our pension and savings products.

• Design, develop, and maintain Java applications supporting savings and investment products


• Build and enhance calculation engines ensuring compliance with tax regulations across multiple countries


• Develop solutions supporting complex business processes, tax authority integrations, and customer-facing reporting


• Participate in requirements analysis, solution design, development, testing, and deployment


• Collaborate with financial analysts to translate business requirements into technical solutions


• Mentor developers and act as a code reviewer and design sparring partner


• Promote practical engineering practices across the development team


• Use AI-assisted development and automation responsibly to improve productivity, quality, and learning


• Contribute strong collaboration and analytical skills to solve complex technical challenges

Requirements: Java, Spring, Hibernate, SQL