Krystian
A skilled Java developer with 6 years. Proficient in core Java, Spring Framework, Hibernate, and RESTful APIs, with a strong focus on writing clean, maintainable code. Experienced in backend development, and adept at working in Agile environments to deliver robust solutions. Passionate about problem-solving and continuously expanding knowledge of technologies to enhance software development processes.
REVIEWS FROM CLIENTS
Collaborated in a team on a sales order system. Automated sales orders, order statuses, and integrations within ventory, finance, and ...
Collaborated in a team on a sales order system. Automated sales orders, order statuses, and integrations within ventory, finance, and suppliers. Created tests and monitored system performance. Provided post-implementation support by analyzing and fixing bugs. Reduced memory allocation.
Developed a system automating the delivery of personalize demails, text messages and MMS toclients. Refactored code from Java 7 to Jav...
Developed a system automating the delivery of personalize demails, text messages and MMS toclients. Refactored code from Java 7 to Java 11. Maintained complex libraries while reducing the computational power required for their operation.
Designed a project for real-time tracking of resource usage and the availability of telecommunications devices within the network.Redu...
Designed a project for real-time tracking of resource usage and the availability of telecommunications devices within the network.Reduced downtime, enhanced operational efficiency, and optimized resource management. Collaborated with the data collection and implementation teams. Created tests, generated reports, and implemented solutions based on the findings.