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