Senior Java Developer / Technical Analyst

Edge One Solutions is a community of over 350 experts, part of the Euvic Group with 5500 members. They provide individualized project assignments to support skill development. Their client is a global technology company in the financial services sector, offering digital payment solutions, electronic banking, transaction processing, core banking systems, and data center and infrastructure solutions. It serves thousands of customers in more than 100 countries, helping with digital transformation, security enhancement, and business process optimization.

• Very good knowledge of Java 8+ and object-oriented programming.
• Practical experience with Spring, Spring Boot, Hibernate/JPA, and JEE.
• Practical knowledge of queue systems, especially RabbitMQ.
• Familiarity with development tools: Maven, Git, GitLab, GitLab CI/CD, Jenkins, Nexus, Jira.
• Knowledge of relational databases, particularly Oracle.
• Experience in system integration and distributed systems.
• Ability to work with existing and legacy code.
• 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.
• Experience with distributed cache, especially Hazelcast.
• Familiarity with integrations via REST, SOAP, RMI, direct database connections, and database links.
• Experience with GWT or GWTExt.
• Knowledge of application security scanning tools like Fortify or Sonatype.
• Experience fixing vulnerabilities found in regular security scans.
• Ability for reverse engineering based on source code, documentation, and system behavior.

• Design, implement, document, and test application components independently.
• Develop and modernize the TMS system for payment terminal management.
• Integrate the system with multiple internal and external solutions.
• Work with existing code and legacy systems.
• Use Java 8+ and object-oriented programming paradigms.
• Implement RESTful APIs.
• Work with JBoss/WildFly application servers.

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