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Java Developer Intern

Sigma Software · Lviv, Lviv Oblast, Ukraine · Remote

Posted Oct 2, 2026

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Quickly learn new technologies  Be ready to demonstrate and prove your current technical level  Work with a mentor to prepare a personal roadmap and address knowledge gaps  Raise problems and blockers to mentor in a timely manner Study recommended materials and be open to feedback, suggestions, and constructive critics  Show good progress in achieving the Junior Java Developer level within the defined timeframe Basic knowledge of Java Basic knowledge and experience with any SQL dialect (simple SELECT/INSERT/UPDATE/DELETE queries, and Joins of tables) Basic knowledge of GoF design patterns Experience with tools such as Git, IDEs, and Gradle/Maven Basic knowledge and experience with Spring Boot, including the ability to work with it and a general understanding of its core concepts Experience with unit testing (JUnit, Mockito)  Basic knowledge and understanding of REST (how to design, consume, etc.) Understanding of the Linux command line At least an Upper-Intermediate level of English WOULD BE A PLUS GitHub account with a proven development history  Participation in any open-source project  An AWS account Experience with Docker   Experience of using NoSQL databases