Senior Java Developer (TMS)
Job Responsibilities:
• Design and implementation of IT solutions based on the presented analytical and technical documentation;
• Reviewing analytical documentation;
• Creating technical documentation;
• Technical upgrade for existing system;
• Working with legacy code
• Conducting regular scans of the application and removing vulnerabilities
Job Requirements:
• Fully available in the Polish time zone;
• Ability to work from the office in Warsaw (weekly: 4 days at the office + 1 day WFH );
• Very good knowledge of Java 8+ and object-oriented programming issues;
• Experience in independent design, implementation, documentation, and testing of application components;
• Very good and p ractical knowledge of Spring, Spring Boot, Hibernate/JPA, and JEE frameworks;
• Practical knowledge with message queue systems, particularly RabbitMQ;
• Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira;
• Knowledge of relational databases, in particular Oracle;
• Practical knowledge of RESTful API design;
• Experience in system integration;
• Experience with distributed systems;
• Experience with application servers, JBoss/WildFly;
· Knowledge of scanning tools (Fortify, Sonatype..)
• Knowledge of English / B2;
of the area of involvement:
TMS (Terminal Management System) is used to manage a very large number of payment terminals (300k+). It gives users a uniform way to manage different terminals from different hardware vendors.
TMS has a complex architecture, consisting of two components: TMS (1 WildFly instance), providing a GUI and implementing some business functions, and RTMS (3 Spring-boot instances), implementing most of the business functionalities. A gradual migration from TMS to RTMS is being carried out.
The system intensively uses Spring, Hibernate, and RabbitMQ.
The system has distributed transactions (different two-phase-commit, saga approaches) and a distributed cache (Hazelcast).
TMS is integrated with many internal and external systems (via REST, SOAP, RMI, direct database connections, and database links).
The GUI is written in GWT and GWTExt.
Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies producing results through continuous improvement and innovation. From those humble beginnings, Infotree Global has explosively grown from a two-person operation to a global solutions company, functioning in over 150 countries across 5 different continents.
Infotree Global proudly serves more than 250 of the Global 1000, numerous government agencies, and some of the world’s largest nonprofit organizations. Our sustained growth is attributed to our focus and commitment to our thousands of full-time professionals. In today’s market, where high-quality dedicated individuals are in demand; Infotree Global recognizes that an emphasis on understanding, achieving, and exceeding our employee’s goals, aspirations and overall experience is paramount. This “people over profits” mindset has yielded tremendous success for our employees and clients. Our employees have a vast array of assignments available across the world to help achieve and exceed their career goals and our clients have motivated, dedicated, and hardworking professionals on their team. We are here to help the best talent work with the greatest companies to produce innovative results in a variety of industries including but not limited to IT, Engineering, Clinical, Skilled Trades, Finance and Accounting.
Our mission’s success is supported by several industry awards and accolades. If you are looking for a committed and understanding partner, your search ends here.
