19 500 zł
21 500 zł
jeden miesiąc
... Design, develop, and enhance Application UI (user interface) screens and features ... and enhancing existing functionality. Integrate UI front-end code with backend ... , dynamic, scalable, and re-usable UI code that supports multiple browsers ...
25 dni temu
30 000 zł
32 000 zł
jeden miesiąc
... in performance optimization. Background in UI design, database structures, statistical analysis ...
7 dni temu