Topic:Stack
Answer:
Java core (OOP, Collections, Streams, multithreading), Spring Framework, Spring Boot, Hibernate, SQL (PostgreSQL), REST API, Maven/Gradle. Plus JUnit testing, Git.
The Java developer course stack at Mate academy in 2026 covers the junior Java developer requirements in Poland. Core: - Java core — OOP, Collections, Streams, multithreading, generics, exception handling - Spring Framework — IoC, DI, AOP - Spring Boot — auto-config, embedded server, REST controllers - Hibernate — ORM, entity mapping, relationships, JPQL - SQL with PostgreSQL - REST API — design and implementation - Maven / Gradle — build tools Additional: - JUnit + Mockito testing - Git workflow - Generative AI in developer workflow Course runs 650 hours (5–7 months), 136 lessons, 2 large portfolio projects plus a Team Project. Regular price: PLN 19,900. Stack covers 80%+ of junior Java openings in PL (source: NoFluffJobs 2026; Mate academy data 2026).
What we teach

4+ months
Dig into data to uncover trends and hidden insights, and help businesses make smarter decisions.

4+ months
Hunts down software bugs before they cause trouble, ensuring every user enjoys a flawless and enjoyable experience.

4+ months
Writes powerful Python code to build apps and automate boring tasks, helping users do a lot more in less time.

5+ months
Builds the visible part of websites and apps, ensuring every click and scroll feels smooth and visually impressive.

4+ months
Creates rock-solid Java applications that deliver reliable, high-performance solutions across a variety of industries.

5+ months
Develops both the front and back end of web apps, creating a smooth and high-quality experience that users love.

3+ months
Create automated tests to quickly detect bugs and verify software quality.

3+ months
Analyzes the audience, launches advertising campaigns, and optimizes traffic to increase brand awareness and drive sales.
Our values
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