Experis • Warsaw, Masovian Voivodeship • Posted June 03, 2026
Position Overview
Job Description
On-site work from Warsaw (5 days per week from the Client's office)
Full availability in the Polish time zone
Polish language is required
English: at least B2
Tasks
Design and implementation of IT solutions based on analytical and technical documentation
Review and improvement of analytical documentation
Creation and maintenance of technical documentation
Technical upgrades and modernization of an existing system (including migration to Java 17 and newer technologies like Spring Boot)
Work with legacy code and monolithic architecture (Java 8-based system)
Reverse engineering based on: existing source code, functional and technical documentation, documented business processes, system UI and database access
Participation in transformation of a monolithic TMS system (POS terminal management) towards microservices architectur...