Senior Java Backend Developer

Java
Spring Boot
SQL
JMS
IBM MQ
Spring
Hibernate
Relational database
OpenAPI
Git
CD
Design Patterns
Object-oriented programming
Angielski (C1)
Proven experience in Java and Spring Boot upgrade projects
Strong proficiency in Java 21 and Spring Boot
Hands-on experience with PostgreSQL and SQL
Practical knowledge of messaging technologies such as JMS, MQ or similar
Strong understanding of Java frameworks including Spring and Hibernate
Experience with relational databases and SQL-based development
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
Very good command of English, both spoken and written
Upgrade applications to Java 17+ and Spring Boot 3.3.x baseline
Design, develop and maintain Java applications supporting savings and investments products
Build 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 activities
Collaborate with financial analysts to translate business requirements into technical solutions

See also