Senior Java Developer / Technical Analyst

Edge One Solutions Sp. z o.o. is part of the Euvic Group with over 5500 experts. The client is a global technology company in financial services, providing solutions for banks, financial institutions, and payment companies worldwide. The project involves development and modernization of a Terminal Management System (TMS) managing over 300,000 payment terminals from various hardware providers, integrated with multiple internal and external solutions.

• Very good knowledge of Java 8+ and object-oriented programming
• Experience in independent design, implementation, documentation, and testing of application components
• Practical knowledge of Spring, Spring Boot, Hibernate/JPA, and JEE
• Practical knowledge of messaging systems, especially RabbitMQ
• Familiarity with software development tools: Maven, Git, GitLab, GitLab CI/CD, Jenkins, Nexus, Jira
• Knowledge of relational databases, especially Oracle
• Practical experience designing RESTful APIs
• Experience in system integration and working with distributed systems
• Experience with JBoss/WildFly application servers
• Ability to work with existing code and legacy systems
• English language proficiency at minimum B2 level

Nice to have:

• Experience with Terminal Management Systems or payment solutions
• Knowledge of distributed transactions including two-phase commit and saga patterns
• Experience with distributed cache, especially Hazelcast
• Knowledge of integration via REST, SOAP, RMI, direct database connections, and database links
• Experience with GWT or GWTExt
• Familiarity with application security scanning tools like Fortify or Sonatype
• Experience in fixing vulnerabilities found during periodic application scans
• Ability to perform reverse engineering based on source code, documentation, and system operation

• Designing and implementing IT solutions based on analytical and technical documentation
• Analyzing and verifying analytical documentation
• Creating technical documentation
• Developing and modernizing the existing system
• Working with legacy code and analyzing existing components
• Performing reverse engineering based on source code, functional and technical documentation, business processes, UI, and databases
• Supporting gradual migration of functionalities from TMS to RTMS
• Integrating the system with internal and external solutions
• Defining and building test cases for automated tests
• Collaborating with the technical team to maintain application quality, security, and stability